| Blackhawk Foundry |
Davenport |
IA |
| Chemplex Construction Company Petrochemical |
Clinton |
IA |
| Fairfield Aluminum Casting Company |
Fairfield |
IA |
| Iowa Electric Light And Power Company |
Perry |
IA |
| Kalo Brick Tile Co |
Kalo |
IA |
| Midland Industries Inc |
Cedar Rapids |
IA |
| Oscar Mayer And Company |
Davenport |
IA |
| Rockford Brick Tile Co |
Rockford |
IA |
| Terra Chemical International |
Sergeant Bluff |
IA |
| Bettendorf High School |
Bettendorf |
IA |
| Hawkeye Steel Products |
Waterloo |
IA |
| Nichols Aluminum Wire |
Davenport |
IA |
| W. S. Gypsum Company |
Sperry |
IA |
| Dryden/sheller Globe |
Keokuk |
IA |
| Can-tex Industries Div |
Redfield |
IA |
| Corn Sweeteners Inc |
Cedar Rapids |
IA |
| Grain Processing Corp |
Muscatine |
IA |
| John Deere Waterloo Wks |
Waterloo |
IA |
| Mo West Sts Portland Cem |
Mason City |
IA |
| Ralston Purina Company |
Davenport |
IA |
| Us Gypsum Company |
Ft Dodge |
IA |
| Iowa Power Light Company Vandalia Road |
Des Moines |
IA |
| American Cereal Company |
Cedar Rapids |
IA |
| Board Of Control Of State Hosptals |
Independence |
IA |
| Carr Ryder And Adams Company |
Dubuque |
IA |
| Clinton Corn Processing Company, Division Of Standard Brands, Incorporated |
Clinton |
IA |
| Des Moines Brewing Company |
Des Moines |
IA |
| Ft. Dodge, Des Moines Southern Railroad Company |
Frazer |
IA |
| Institute For Feeble Minded Children |
Glenwood |
IA |
| Iowa Portland Cement Company |
Des Moines |
IA |
| Iowa State Hospital |
Independence |
IA |
| Lehigh Portland Cement Company |
Mason City |
IA |
| Meredith Printing, Incorporated |
Des Moines |
IA |
| National Starch Company |
Des Moines |
IA |
| Peoples Light Company |
Davenport |
IA |
| Sioux City Traction Company |
Sioux City |
IA |
| Union Electric Company |
Dubuque |
IA |
| Cedar Rapids Meats, 16th Ave. 3rd St. Southeast, 52401 |
Cedar Rapids |
IA |
| Powerhouse |
Ft Dodge |
IA |
| Lansing Power Plant Interstate Power Co. |
Lansing |
IA |
| Interstate Power Company |
Dubuque |
IA |
| Chevron Oil Company |
Fort Madison |
IA |
| Globe Machine Supply Company |
Cedar Rapids |
IA |
| Woodward State Mental Hospital |
Woodward |
IA |
| A.m. Bennett Company |
Sioux City |
IA |
| Chamberlain Manufacturing |
Waterloo |
IA |
| Maytag |
Des Moines |
IA |
| E I Dupont De Nemours Company |
Clinton |
IA |
| Des Moines Company Drainage |
Burlington |
IA |
| Lake Shore Tire Rubber Company |
Des Moines |
IA |
| Rath Packing Company- |
Waterloo |
IA |
| Iowa Steel Iron Works |
Cedar Rapids |
IA |
| Ng Manufacturing Plant |
Fort Dodge |
IA |
| Port Neal Power Plant |
Sioux City |
IA |
| Berkley Co |
Spirit Lake |
IA |
| Davenport Works |
Riverdale |
IA |
| Iowa Electric Light Power Company Sutherland Station Unit 3 |
Marshalltown |
IA |
| Municipal Light Power Co |
Cedar Falls |
IA |
| Silas Mason Co Iaap |
Burlington |
IA |
| Wilson Company |
Cedar Rapids |
IA |
| E. I. Dupont De Nemours Company |
Clinton |
IA |
| John Morrell And Company |
Ottumwa |
IA |
| Burlington High School |
Burlington |
IA |
| Chicago Northwestern Railroad |
Clinton |
IA |
| Farm Bureau |
Des Moines |
IA |
| Iowa Illinois Gas Electric Company |
Ft Dodge |
IA |
| Kings Concrete Company |
Cedar Rapids |
IA |
| Midwest Carbide Corp |
Keokuk |
IA |
| Osmundson Mfg Co |
Perry |
IA |
| Rockwell Std Corp |
Fairfield |
IA |
| Thermolyne Corporation |
Dubuque |
IA |
| Brammer Manufacturing |
Davenport |
IA |
| Highway Surfacing Corporation |
Adair |
IA |
| North States Port Cement |
Mason City |
IA |
| Washington Junior High School |
Dubuque |
IA |
| Iowa Illinois Gas Electric |
Davenport |
IA |
| Cantex Industries Iowa |
Des Moines |
IA |
| Crystal Plumbing And Heating |
Waverly |
IA |
| Green Processing Corporation |
Muscatine |
IA |
| Johnson Gas Appliance Com |
Cedar Rapids |
IA |
| Moore Engineering Inc |
Waterloo |
IA |
| Redfield-adel Brick And Tile |
Redfield |
IA |
| Us Gypsum Company |
Fort Dodge |
IA |
| Proctor Gamble |
Iowa City |
IA |
| American Crystal Sugar Company |
Mason City |
IA |
| Board Of Control Of State Institutions |
Independence |
IA |
| Carr, Adams And Collier Company |
Dubuque |
IA |
| Clinton Corn Syrup Refining Company |
Clinton |
IA |
| Des Moines City Railway Company |
Des Moines |
IA |
| Ft. Madison Chair Company |
Ft Madison |
IA |
| International Distilling Company |
Des Moines |
IA |
| Iowa Power And Light Company |
Des Moines |
IA |
| Iowa Valley Sugar Company, Incorporated |
Belmond |
IA |
| Lemars Water And Light Company |
Lemars |
IA |
| Midamerican Energy Company |
Council Bluffs |
IA |
| Newton And Northwestern Railroad |
Fraser |
IA |
| Perry Packing Company |
Perry |
IA |
| Sioux City Tractor Company |
Sioux City |
IA |
| Union Pacific Railroad Company |
Council Bluffs |
IA |
| M.l. Kapp Station, 2001 Beaver Channel Pkwy, 52732 |
Clinton |
IA |
| Powerhouse |
Lansing |
IA |
| City Of Ames Municipal Electric Utility Power Plant #2 |
Ames |
IA |
| University Of Iowa |
Iowa City |
IA |
| Dewey Portland Cement |
Davenport |
IA |
| Globe Machinery Supply |
Spencer |
IA |
| Champion International |
Clinton |
IA |
| A.y. Mcdonald Building |
Sioux City |
IA |
| Chemplex |
Clinton |
IA |
| Monsanto |
Davenport |
IA |
| E. I. Dupont De Nemours Company |
Clinton |
IA |
| E.i. Du Pont De Nemours |
Clinton |
IA |
| Linde Air Products Company |
Davenport |
IA |
| Standard Oil Company Of Indiana |
Council Bluff |
IA |
| Marietta Cement Midwest Division |
Linwood |
IA |
| Chemical Plant |
Clinton |
IA |
| Power Plant |
Council Bluffs |
IA |
| Carnation Company |
Waverly |
IA |
| Elementary School Bldg. |
Mount Pleasant |
IA |
| Iowa Public Service Company George Neal Station South |
Salix |
IA |
| Coggon Municipal Light Plant |
Coggon |
IA |
| Silas Mason Co Iowa Ordinance Plant |
Burlington |
IA |
| Woodward State Hosp School |
Woodward |
IA |
| Economy Roofing Ins. Co. |
Davenport |
IA |
| L L Insulation Company |
Des Moines |
IA |
| A.y. Mcdonald Manufacturing Company |
Dubuque |
IA |
| Burpee Seed Company |
Clinton |
IA |
| City Plumbing Supply |
Des Moines |
IA |
| Finley Hospital |
Dubuque |
IA |
| Iowa Malleable Iron Company |
Fairfield |
IA |
| Kiowa Corporation |
Marshalltown |
IA |
| Monsanto Chemical Company |
Muscatine |
IA |
| Ottumwa Brick Tile Co |
Ottumwa |
IA |
| S W Manufacturing Co |
Bettendorf |
IA |
| U S Gypsum Co |
Ft Dodge |
IA |
| California Chemical |
Fort Madison |
IA |
| Highway Surfacing Corporation |
North Hampton |
IA |
| Northwestern Portland Cement |
Mason City |
IA |
| Aluminum Company Of America, Davenport Works |
Riverdale |
IA |
| Graceland College |
Lamoni |
IA |
| Cargill Inc |
Cedar Rapids |
IA |
| Davenport Bank Building |
Davenport |
IA |
| Green Valley Chemical Co |
Creston |
IA |
| Keokuk County Heating Pla |
Sigourney |
IA |
| Morgan Colonial Heating And |
Des Moines |
IA |
| Schaal Furnace Co |
Des Moines |
IA |
| Wayne Mfg Company |
Cedar Rapids |
IA |
| Proctor Gamble Maintenance Building |
Iowa City |
IA |
| American Wire Cloth Manufacturing Company |
Clinton |
IA |
| Borden Chemical Division Of Borden, Incorporated |
Waterloo |
IA |
| Cedar Falls Municipal Utilities, Streeter Plant |
Cedar Falls |
IA |
| Clinton General Hospital |
Clinton |
IA |
| Des Moines Power Station, #2 |
Des Moines |
IA |
| Grain Processing Corporation |
Muscatine |
IA |
| International Milling Company |
Sioux City |
IA |
| Iowa Power And Light Company |
Des Moines |
IA |
| J.h. Hertsche |
Hamburg |
IA |
| Longview Fibre Company |
Cedar Rapids |
IA |
| Midamerican Energy Company |
Des Moines |
IA |
| Nordyke And Marmon Company |
Indianapolis |
IA |
| Power Station #2 |
Des Moines |
IA |
| Sisters Of St. Francis Xavier Hospital |
Dubuque |
IA |
| Union Stock Yard Company |
Sioux City |
IA |
| Pirelli Armstrong Tire Corporation, 2345 E Market St, 50306 |
Des Moines |
IA |
| Powerhouse |
Montpelier |
IA |
| City Of Atlantic Electric Generating Station |
Atlantic |
IA |
| Iowa Electric Light And Power Company Iowa Falls Station |
Iowa Falls |
IA |
| Herman Fust Company |
Des Moines |
IA |
| Glove Machinery |
Spencer |
IA |
| Eaton Corporation |
Shenandoah |
IA |
| Swift Meat Packing Company |
Sioux City |
IA |
| Collins Radio Building |
Cedar Rapids |
IA |
| National Gypsum |
Fort Dodge |
IA |
| Dadco Corp |
Davenport |
IA |
| Firestone Tire Rubber Company |
Des Moines |
IA |
| Linde Air Products Company (union Carbide Carbon Corp.) |
Des Moines |
IA |
| Topin Packing Co. |
Ft Dodge |
IA |
| Sioux City Brick Tile Co |
Sioux City |
IA |
| Chemplex Corporation Company |
Clinton |
IA |
| Rockwell Collins |
Cedar Rapids |
IA |
| Carnation Company Waverly Iowa Plant |
Waverly |
IA |
| Franklin County General Hospital |
Hampton |
IA |
| Iowa Public Service Company George Neal Station North |
Sergeant Bluff |
IA |
| Municipal Power Plant |
Pella |
IA |
| State Sanatorium |
Oakdale |
IA |
| A. H. Bennett Co. |
Sioux City |
IA |
| Fisher Controls Company |
Marshalltown |
IA |
| Mental Health Institute |
Mt. Pleasant |
IA |
| Adel Clay Products Company |
Redfield |
IA |
| C.f. Braun Company |
Fort Madison |
IA |
| Clinton Engines Corporation |
Maquoketa |
IA |
| Frank Foundries Corporation |
Davenport |
IA |
| Iowa Manufacturing Company |
Cedar Rapids |
IA |
| Kramer Produce |
Mason City |
IA |
| Monsanto Chemical Company |
Moscatine |
IA |
| Paul Hoshek |
Burlington |
IA |
| Shaeffer W A Pen Co |
Ft Madison |
IA |
| U S Gypsum Co |
Sperry |
IA |
| Cargill Company |
Washington |
IA |
| Hills-mccanna |
Creston |
IA |
| Oakdale Hospital |
Oakdale |
IA |
| Bettendorf Community School |
Bettendorf |
IA |
| Drake University |
Des Moines |
IA |
| Case J I Co |
Bettendorf |
IA |
| Demco Inc |
W Des Moines |
IA |
| Griffin Pipe Products Co |
Council Bluffs |
IA |
| Keokuk Steel Castings Co |
Keokuk |
IA |
| National Animal Disease |
Ames |
IA |
| Siglin Plumbing And Heating |
Perry |
IA |
| Wellman Dynamic |
Creston |
IA |
| Muscatine Power Water Unit #9 |
Muscatine |
IA |
| Ames Municipal Elctric System |
Ames |
IA |
| Brice Gas And Electric Company |
Mason City |
IA |
| Cedar Falls Paper Manufacturing Company |
Cedar Falls |
IA |
| Clinton Industries, Incorporated |
Clinton |
IA |
| Dial Corporation |
Ft Madison |
IA |
| General Mills |
Belmond |
IA |
| Interstate Power Company |
Clinton |
IA |
| Iowa Power And Light Company |
Council Bluffs |
IA |
| J.c. Hubinger Brothers Company |
Keokuk |
IA |
| Maizwood Products Company |
Dubuque |
IA |
| Midamerican Energy Company |
Muscatine |
IA |
| Northern Sugar Corporation |
Mason City |
IA |
| Prairie Pipe Line Company |
Ft Madison |
IA |
| Sisters Of St. Francis |
Dubuque |
IA |
| United Light And Railways Company |
Davenport |
IA |
| Cepex Midwest Plant, Hwy. 61 South, Orthoway Rd., 52627 |
Ft Madison |
IA |
| American Herbicide Plant |
Muscatine |
IA |
| Iowa-illinois Gas Electric Co Riverside Station |
Bettendorf |
IA |
| Ralston Purina Company |
Iowa Falls |
IA |
| Iowa Public Service Company- |
Waterloo |
IA |
| Grain Processing Company |
Muscatine |
IA |
| J. I. Case Company |
Bettendorf |
IA |
| Monsanto Chemcial Company |
Muscatine |
IA |
| Council Bluffs Powerhouse |
Council Bluffs |
IA |
| Sister Of Humility |
Ottumwa |
IA |
| Cooper Manufacturing Company |
Marshalltown |
IA |
| Fisher Governor Company |
Marshalltown |
IA |
| Lippert Bros. |
Marshalltown |
IA |
| Town Of Belle Plaine Waste Water Treatment Plant |
Belle Plaine |
IA |
| Sivyer Steel Casting Co |
Bettendorf |
IA |
| Co-op Chemical |
Fort Dodge |
IA |
| Terra Chemical Incorporated |
Sioux City |
IA |
| Caterpillar Tractor Company New Parts Plant |
Mount Joy |
IA |
| Galesburg Sr. High School |
Davenport |
IA |
| Iowa Soldiers Home |
Marshalltown |
IA |
| Municipal Power Plant |
Spencer |
IA |
| State Sanitarium |
Oakdale |
IA |
| A. Y. Mcdonald Mfg. Company |
Waterloo |
IA |
| Fluor Corporation |
Clinton |
IA |
| Monsanto Chemical Company |
Muscatine |
IA |
| Annis Supply Company |
Waterloo |
IA |
| C.h. Mcguiness Company |
Des Moines |
IA |
| Cole Rendering Company |
Waterloo |
IA |
| Frank L. Smart Junior High School |
Davenport |
IA |
| Iowa State Highway Commission |
Ames |
IA |
| Kromer Produce Company |
Waterloo |
IA |
| Murray Iron Works |
Burlington |
IA |
| Paxton Vierling Steel |
Carter Lake |
IA |
| Sheldon Dehydrating Co |
Sheldon |
IA |
| United States Gypsum |
Ft Dodge |
IA |
| Central Steel Tube Company |
Clinton |
IA |
| Huttig Manufacturing |
Muscatine |
IA |
| Patrick Hardware |
Apelle |
IA |
| Central Steel |
Clinton |
IA |
| Ac Guberson Co |
Des Moines |
IA |
| Caterpillar Tractor Company |
Davenport |
IA |
| Donohoo Steel Treating |
Bettendorf |
IA |
| H J Heinz Co |
Mascatine |
IA |
| Kiowa Corp |
Marshalltown |
IA |
| National Animal Disease |
Amos |
IA |
| Sinclair Arco Chemical Co |
Ft Madison |
IA |
| White Farm Equipment |
Charles City |
IA |
| Iron Public Service Port Neal Station Unit #2 |
Salix |
IA |
| Ames-farmer Canning Company |
Ames |
IA |
| Bridgestone Firestone |
Des Moines |
IA |
| Cedar Rapids And Iowa City Railway And Light Company |
Cedar Rapids |
IA |
| Clinton Products Company |
Clinton |
IA |
| Douglas Company |
Cedar Rapids |
IA |
| Glucose Sugar Refinning Company |
Davenport |
IA |
| Iowa And Illinois Railway Company |
Clinton |
IA |
| Iowa Public Service Company- |
Sioux City |
IA |
| Jas. Stewart And Company |
Ottumwa |
IA |
| Maquoketa Light And Power Company |
Maquoketa |
IA |
| Midamerican Energy Company |
Sioux City |
IA |
| Oakley Ray |
Waterloo |
IA |
| Procter And Gamble Company |
Iowa City |
IA |
| Sisters Of St. Francis Of Dubuque |
Dubuque |
IA |
| Universal Gypsum Company |
Ft Dodge |
IA |
| Crandon Mill Division P.o. Box 250, 52627 |
Ft Madison |
IA |
| Cargill, Incorporated |
Ottumwa |
IA |
| J.i. Case Company |
Bettendorf |
IA |
| Hubinger Co. Building #65 |
Keokuk |
IA |
| Omac C/o Woolco Store |
Cedar Falls |
IA |
| Ies Utilities |
Burlington |
IA |
| Quaker Oats |
Cedar Rapids |
IA |
| Chemplex Construction Company Chemical Plant |
Clinton |
IA |
| Duane Arnold Nuclear Powerhouse |
Cedar Rapids |
IA |
| Sivyer Steel Corporation |
Bettendorf |
IA |
| Muscataine Municipal Elec Plant |
Muscataine |
IA |
| French Hecht, Inc. |
Davenport |
IA |
| Louisa Des Moines Drainage District |
Oakville |
IA |
| Vinton Municipal Utility |
Vinton |
IA |
| City Of Muscatine Power |
Muscatine |
IA |
| George Neal Station North Unit 1 |
Sergeant Bluff |
IA |
| Wilsons Foods |
Cedar Rapids |
IA |
| Central Catholic High School |
Dubuque |
IA |
| Natural Gas Pipeline Company Of America Station 109 |
Harper |
IA |
| Iowa Southern Utilities Company Burlington Generating Sta Rr Nbr 1 |
Burlington |
IA |
| National Carbon Co. |
Red Oak |
IA |
| State University Of Iowa Physical Plant Stores |
Iowa City |
IA |
| Alcoa Company |
Davenport |
IA |
| Globe Machinery Supply Company |
Des Moines |
IA |
| Armour Company |
Mason City |
IA |
| C.p. Braun Company |
Fort Madison |
IA |
| Consolidated Packing Company |
Fort Madison |
IA |
| Gate City Steel |
Davenport |
IA |
| J.t. Case Company |
Bettendorf |
IA |
| P. M. Lattner Manufacturing Company |
Cedar Rapids |
IA |
| Nichols Aluminum Company |
Davenport |
IA |
| Paxton Vishling Steel |
Carter Lake |
IA |
| Sheller Mfg Co |
Keokuk |
IA |
| University Avenue Supply |
Des Moines |
IA |
| Davenport Bank Building |
Davenport |
IA |
| International Minerals Corporation |
Mason City |
IA |
| Penich Ford Limited |
Cedar Rapids |
IA |
| Chemplex Construction Company |
Clinton |
IA |
| Alter Co |
Davenport |
IA |
| Celotex Corp |
Ft Dodge |
IA |
| Dunohod Steel Treating |
Bettendorf |
IA |
| Hawkeye Chemical Co |
Clinton |
IA |
| Kirkwood Motel |
Des Moines |
IA |
| National By Products Inc |
Des Moines |
IA |
| Sinclair Oil Corp |
Des Moines |
IA |
| Chemplex Co |
Fort Madison |
IA |
| Iowa Air National Guard, Base Operations Office |
Des Moines |
IA |
| Archer Daniels Midland Company |
Clinton |
IA |
| Brittain Company |
Marshalltown |
IA |
| Centerville Light And Traction Company |
Centerville |
IA |
| Clinton Steam Laundry Company |
Clinton |
IA |
| Downing Box Company |
Cedar Rapids |
IA |
| Great Western Cereal Company |
Sioux City |
IA |
| Iowa City Light And Power Company |
Iowa City |
IA |
| Iowa Public Service Company |
Eagle Grove |
IA |
| Jefferson Electric Company |
Jefferson |
IA |
| Marquette Cement Company |
Des Moines |
IA |
| Midland Packing Company |
Sioux City |
IA |
| Oscar Mayer And Company, Incorporated |
Davenport |
IA |
| R.r. Donnelly And Sons Company |
Des Moines |
IA |
| Southerland Station |
Marshalltown |
IA |
| Van Camp Packing Company |
Perry |
IA |
| Ag Processing, Incorporated, P.o. Box 2000, 51054 |
Sergeant Bluff |
IA |
| Terra Chemical |
Sergeant Bluff |
IA |
| Iowa Southern Utilities Company Burlington Generating Station |
Burlington |
IA |
| Iowa Electric Light And Power Company |
Marshalltown |
IA |
| W.d. Deckert Company |
Dubuque |
IA |
| Iowa Illinois Thermal Insulation |
Davenport |
IA |
| Iowa Army Ammunition Plant |
Middletown |
IA |
| Armstrong Contracting Supply Corporation |
Harlan |
IA |
| Duane Arnold Nuclear Powerhouses |
Palo |
IA |
| Va Hospital |
Des Moines |
IA |
| Alcoa |
East Davenport |
IA |
| Hubinger Company |
Koekuk |
IA |
| Marshall Canning Company |
Hampton |
IA |
| W.a. Sheaffer Pen Company |
Fort Madison |
IA |
| Corn Belt Power Co-op |
Humbolt |
IA |
| Interstate Powerhouse |
Clinton |
IA |
| A T T Co. Underground Coaxial Cable Bldg |
Boone |
IA |
| Central Rubber Supply Co. State Sanitarium |
Oakdale |
IA |
| General Services Administration Animal Disease Lab |
Ames |
IA |
| Iowa Southern Utilities Company Burlington Generating Station |
Kemper |
IA |
| Natural Gas Pipeline Company Of America Station 107 |
Emerson |
IA |
| Swift Company Agrichem Division |
Mason City |
IA |
| Allied Chemical |
Dubuque |
IA |
| Home Federal Savings Loan Association |
Des Moines |
IA |
| Aluminum Corporation Of America |
Riverdale |
IA |
| California Chemical Company |
Ft Madison |
IA |
| Corn Belt Power Corporation |
Humboldt |
IA |
| General Mills, Incorporated |
Keokuk |
IA |
| J.w. Davis Company |
Bettendorf |
IA |
| Le Claire Manufacturing Company |
Le Claire |
IA |
| Nichols Wire Alum Co |
Davenport |
IA |
| Penn Dixie Cement Corporation |
W Des Moines |
IA |
| Sinclair Petrochemicals I |
Fort Madison |
IA |
| Vylactos Laboratories |
Des Moines |
IA |
| Davenport Central High School |
Davenport |
IA |
| Iowa Mutual Insurance |
Dewitt |
IA |
| Putnam Building |
Davenport |
IA |
| Corn Starch Syrup |
Cedar Rapids |
IA |
| American Aluminum Company |
Webster City |
IA |
| Central Iowa Heating |
Des Moines |
IA |
| Elwood Giberson Co |
Des Moines |
IA |
| Iowa Electric Light And Pow |
Iowa Falls |
IA |
| Latiner P M Manufacturing Company |
Cedar Rapids |
IA |
| Nichols Homeshield Inc |
Davenport |
IA |
| St Ambrose College |
Davenport |
IA |
| Davenport Machine |
Muscatine |
IA |
| Iowa Power And Light Company Vandalia Road Plant |
Des Moines |
IA |
| Archer Daniels Midland Company |
Des Moines |
IA |
| Brown Paper Company |
Ft Madison |
IA |
| Certainteed Products Corporation |
Ft Dodge |
IA |
| Clinton Sugar Refining Company |
Clinton |
IA |
| Dubuque Steam Supply Company |
Dubuque |
IA |
| Great Western Cereal Company |
Ft Dodge |
IA |
| Iowa City Light And Power Company |
Coralville |
IA |
| Iowa Public Service Company |
Storm Lake |
IA |
| Jeld Wen Incorporated |
Dubuque |
IA |
| Marquette Cement Manufacturing Company |
Des Moines |
IA |
| Midwest Power |
Council Bluffs |
IA |
| Oscar Mayer Packing Company |
Davenport |
IA |
| Ralston Purina Company |
Iowa Falls |
IA |
| State Colony For Epileptics |
Woodward |
IA |
| Veterans Administration Hospital |
Des Moines |
IA |
| Neal Station, North 1151 260th St. |
Sioux City |
IA |
| Powerhouse |
Sioux City |
IA |
| Penick Ford Limited, Inc. |
Cedar Rapis |
IA |
| Iowa-nebraska Light Power Company (united Light Power) |
Missouri Valley |
IA |
| Alcoa |
Riverdale |
IA |
| John Deere Tractor Works |
Waterloo |
IA |
| Westdale Mall |
Cedar Rapids |
IA |
| Iowa Asbestos Company |
Des Moines |
IA |
| E.i. Du Pont De Nemours Company |
Clinton |
IA |
| Wilson Packing |
Cherokee |
IA |
| Alcoa |
Davenport |
IA |
| Iowa Canning Company |
La Porte City |
IA |
| Marshall Canning Company |
Waverly |
IA |
| Clow Corporation New Foundry |
Oskaloosa |
IA |
| Eastern Iowa Light Power Co |
Montpelier |
IA |
| Iowa Electric Light And Power Company Sixth Street Generating Station |
Cedar Rapids |
IA |
| Adel Clay Prod Co |
Redfield |
IA |
| Chevron Chemical Company |
Fort Madison |
IA |
| George Neal Station South |
Salix |
IA |
| Iowa State College Physical Plant Dept. |
Ames |
IA |
| Natural Gas Pipeline Co. Of America Station 108 |
Truro |
IA |
| Swift Company Store Department C |
Sioux City |
IA |
| Berkley Company |
Spirit Lake |
IA |
| Hubinger Co. |
Keokuk |
IA |
| Amana Refrigeration |
Amana |
IA |
| Campbell Chain Company |
W Burlington |
IA |
| Craemer Produce Company |
Waterloo |
IA |
| Georgia Pacific Corporation |
Fort Dodge |
IA |
| John Deere Company |
Dubuque |
IA |
| Leopold Desk Company |
Burligton |
IA |
| Nichols Wire Alum Inc |
Davenport |
IA |
| Penn Dixie Cement Corporation |
West Des Moines |
IA |
| Sinclair Refining |
Des Moines |
IA |
| Wayne Manufacturing Co |
Cedar Rapids |
IA |
| Denison Hotel |
Denison |
IA |
| J. Deere Tractor |
Dubuque |
IA |
| Ruth Packing Company |
Columns Junction |
IA |
| Davenport Community School |
Davenport |
IA |
| American Crystal Sugar |
Mason City |
IA |
| Central Steel Tube Co |
Clinton |
IA |
| Fairfield Aluminum Castin |
Fairfield |
IA |
| Iowa Electric Light And Pow |
Perry |
IA |
| Lattiner P M Manufacturing Company |
Cedar Rapids |
IA |
| Nichols Wire And Aluminum C |
Davenport |
IA |
| St Louis Diecasting Corp |
Keokuk |
IA |
| Davenport Machine Foundry Co. For Cargill Grain |
Cedar Rapids |
IA |
| Iowa Public Service Company George Neal Station South Unit 2 |
Salix |
IA |
| Armour And Company |
Sioux City |
IA |
| Brunswick-balke-collender Company |
Dubuque |
IA |
| Cherokee State Hospital |
Cherokee |
IA |
| Consolidated Packaging Corporation |
Ft Madison |
IA |
| Executive Council Of Iowa |
Des Moines |
IA |
| Hawkeye Tire And Rubber Company |
Des Moines |
IA |
| Iowa Electric Company |
Muscatine |
IA |
| Iowa Public Service Company, Orpheum Electric Building |
Sioux City |
IA |
| John Morrell And Company |
Ottumwa |
IA |
| Marshall Canning Company |
Marshalltown |
IA |
| Midwest Power |
Sioux City |
IA |
| Oscar Meyer And Company |
Davenport |
IA |
| Red Oak Water Works |
Red Oak |
IA |
| State Colony Of Epileptics |
Woodward |
IA |
| Wabash Power |
Spencer |
IA |
| University Of Northern Iowa, Powerhouse |
Cedar Falls |
IA |
| Visking Corporation |
Terre Haute |
IA |
| Iowa Public Service Company |
Charles City |
IA |
| John Morrell And Company |
Ottumwa |
IA |
| Alcoa |
Davenport |
IA |
| Johnson Gas Appliance Company |
Cedar Rapids |
IA |
| Maytag |
Newton |
IA |
| Duane Arnold Energy Center |
Palo |
IA |
| E.i. Du Pont De Nemours Company, Chemical |
Fort Madison |
IA |
| W.j. Company Warehouse |
Sioux City |
IA |
| Ames Municipal Utilties |
Ames |
IA |
| Iowa Electric Light Power |
Des Moines |
IA |
| Marshall Canning Company |
Roland |
IA |
| Griffin Pipe Products |
Council Bluffs |
IA |
| Interstate Power Co |
Dubuque |
IA |
| Iowa Electric Light And Power Company Duane Arnold Energy Center |
Palo |
IA |
| Alcoa Plant Bldgs. 816-823 701-70 |
Riverdale |
IA |
| Chevron Chemical Co Storehouse |
Fort Madison |
IA |
| Glenwood State School |
Glenwood |
IA |
| John Deere Dubuque Works Power Plant |
Dubuque |
IA |
| Oliver Corp |
Charles City |
IA |
| Swift Company Soybean Mill |
Des Moines |
IA |
| Carnation Company |
Waverly |
IA |
| Interstate Pipe Supply Co. |
Dubuque |
IA |
| Bestwall Gypsum Company |
Ft Dodge |
IA |
| Cargill, Incorporated |
Des Moines |
IA |
| Crandon Paper Mills, Incorporated |
Ft Madison |
IA |
| Grant School |
Davenport |
IA |
| John Deere Des Moines |
Ankeny |
IA |
| Linwood Stone Prod Company |
Linwood |
IA |
| Nichols Wire Aluminum Co |
Davenport |
IA |
| Pitts Des Moines Steel Co |
Des Moines |
IA |
| Sivyer Steel Castings |
Bettendorf |
IA |
| West Waterloo High School |
Waterloo |
IA |
| Fairmont Cemetary |
Davenport |
IA |
| J.f. Pritchard Company |
Creston |
IA |
| Salvation Army |
Davenport |
IA |
| Denison Hotel |
Dension |
IA |
| Arco Chemical |
Ft Madison |
IA |
| Ch Mc Guiness Inc |
Davenport |
IA |
| Farm Bureau Bldg |
Des Moines |
IA |
| Iowa Electric Light And Pow |
Cedar Rapids |
IA |
| Le Claire Manufacturing Company |
Le Claire |
IA |
| Nichols-homeshield Inc |
Davenport |
IA |
| Sterzing R J |
Burlington |
IA |
| Foster Wheeler For Chemplex Construction Co. |
Fort Madison |
IA |
| Muscatine Power Water Muscatine Generating Station Unit 9 |
Muscatine |
IA |
| Armour Dial Incorporated |
Ft Madison |
IA |
| Burlington Ordnance Works |
Burlington |
IA |
| Chevron Chemical Company |
Ft Madison |
IA |
| Corn Belt Packing Company |
Dubuque |
IA |
| Executive Council Of Iowa |
Independence |
IA |
| Hennesy Brothers Company |
Montrose |
IA |
| Iowa Electric Light And Power Company |
Boone |
IA |
| Iowa Public Service Company |
Charles City |
IA |
| John Neff Cedar Falls Paper Company |
Cedar Falls |
IA |
| Marshall Sugar Refg Company |
Marshalltown |
IA |
| Mississippi River Power Company |
Keokuk |
IA |
| Oscar Meyer Foods Company |
Davenport |
IA |
| Roach And Musser Company |
Muscatine |
IA |
| State Of Iowa Capital Commission |
Des Moines |
IA |
| Waldinger Corporation |
Des Moines |
IA |
| Penick And Ford, Limited |
Cedar Rapids |
IA |
| Rath Packing |
Waterloo |
IA |
| Clinton Corn Processing Company (a/k/a Archer Daniels) |
Clinton |
IA |
| Oscar Mayer Co (a/k/a Tyson Foods, Inc.) |
Perry |
IA |
| Ay Mcdonald Manufacturing Company |
Dubuque |
IA |
| Jp Austin Associated Inc |
Davenport |
IA |
| Crane Corporation |
Washington |
IA |
| Alcoa |
Bettendorf |
IA |
| Eddyville Powerhouse |
Eddyville |
IA |
| Pleasant View Elementary School |
Bettendorf |
IA |
| Armstrong Rubber |
Des Moines |
IA |
| Iowa Electric Light Power |
Council Bluff |
IA |
| Municipal Light Water Plant |
Atlantic |
IA |
| John Deere Company |
Waterloo |
IA |
| Iowa Electric Light And Power Company |
Marshalltown |
IA |
| Iowa Electric Light And Power Company Prairie Creek Generating Station |
Cedar Rapids |
IA |
| Alcoa Plant Bldgs. 816-823 And 701- |
Riverdale |
IA |
| Indianola Municipal Utilities Downtown Power Plant |
Indianola |
IA |
| Fisher Controls Manufacturing Plant |
Marshalltown |
IA |
| Jones As Terminal Sts |
Dubuque |
IA |
| Oscar Mayer Company Power Plant |
Davenport |
IA |
| University Of Iowa Physical Plant Steam Distribution |
Iowa City |
IA |
| Caterpillar Tractor Company |
Mount Joy |
IA |
| Interstate Power And Light Company Burlington Generating Station |
Burlington |
IA |
| Bixby Co Inc W H |
Des Moines |
IA |
| Cargill Soybean Plant |
Des Moines |
IA |
| Crystal Heating Plumbing |
Waverly |
IA |
| Hansen Brothers |
Des Moines |
IA |
| John Deere Des Moines |
Des Moines |
IA |
| Marquart Concrete Block Co |
Waterloo |
IA |
| No West Sts Portland Cement |
Mason City |
IA |
| Proctor Gamble Co |
Iowa City |
IA |
| South Coast Corp Raceland |
Raceland |
IA |
| Wiese Corp |
Perry |
IA |
| First National Bank Building |
Davenport |
IA |
| John Deere Company |
Des Moines |
IA |
| Smart Junior High School |
Davenport |
IA |
| Green Valley Chemical Company |
Creston |
IA |
| Brammer Mfg Co |
Davenport |
IA |
| Chamberlain Mfg Co |
Waterloo |
IA |
| Farm Equipment Mfg Co |
Centerville |
IA |
| Iowa Electric Light And Power Company |
Cedar Rapids |
IA |
| Lehigh Portland Cement |
Mason City |
IA |
| No West Sts Portland Cem |
Mason City |
IA |
| Thatcher Plastic Packagin |
Mascatine |
IA |
| Lehigh Cement |
Mason City |
IA |
| Proctor Gamble Manufacturing Company |
Iowa City |
IA |
| Armstrong Rubber Manufacturing Company |
Des Moines |
IA |
| Chicago, Burlington Quincy Railroad |
Ottumwa |
IA |
| Chicago Burlington And Quincy Railroad Company |
Burlington |
IA |
| Council Bluffs, Unit 3 |
Des Moines |
IA |
| Fairmont Creamery Company |
Sioux City |
IA |
| Hinde And Dauch Paper Company |
Ft Madison |
IA |
| Iowa Electric Light And Power Company |
Marshalltown |
IA |
| Iowa Public Service Company |
Waterloo |
IA |
| Joseph Morrell And Company, Limited |
Ottumwa |
IA |
| Marshall Sugar Refining Company |
Marshalltown |
IA |
| Monsanto Company |
Muscatine |
IA |
| Ottumwa Box Car Loader Company |
Ottumwa |
IA |
| Roberts And Oake, Incorporated |
Marshalltown |
IA |
| Stockyards Service And Supply Company |
Sioux City |
IA |
| Waterloo Cedar Falls Northern Railway Company |
Waterloo |
IA |
| Wilson Meat Packing |
Cedar Rapids |
IA |
| St. Francis Hospital |
Waterloo |
IA |
| E.i. Dupont De Nemours Company- Cellophane Plant |
Clinton |
IA |
| Iowa Public Service Company (sioux City Gas Electric Co.) Big Sioux Station |
Sioux City |
IA |
| Burlington Generation Station |
Burlington |
IA |
| Muscatine Municiple Electric Plant |
Muscatine |
IA |
| Henderson Manufacturing |
Manchester |
IA |
| Armour Plant |
Sioux City |
IA |
| Lansing Power Station |
Lansing |
IA |
| Muscatine Community Ymca |
Muscatine |
IA |
| Cargill, Inc. |
Cedar Rapids |
IA |
| Iowa Electric Light Power |
Boone |
IA |
| Municipal Power Plant |
Atlantic |
IA |
| Marquette Cement Manufacturing Company |
Des Moines |
IA |
| Northern Indiana Gas Electric |
Sioux City |
IA |
| Iowa Power Light Councils Bluffs Energy Center |
Council Bluffs |
IA |
| American Republic Ins Co Bldg |
Des Moines |
IA |
| Clinton Corn Processing Company New Boiler Addition |
Clinton |
IA |
| Hawkeye Chemical Plant |
Clinton |
IA |
| Maytag Mfg Co |
Newton |
IA |
| Peter Pan Bakers Inc |
Cedar Rapids |
IA |
| University Of Iowa Physical Plant Department |
Iowa City |
IA |
| Cedar Falls Utilities Streeter Generating Station |
Cedar Falls |
IA |
| Interstate Power And Light Company M.l. Kapp Generating Station |
Clinton |
IA |
| Bixby W H Inc |
Davenport |
IA |
| Carrol Rendering |
Carrol |
IA |
| Dewey Portland Cement Company |
Davenport |
IA |
| Hooker Chemical Corporation Phosphorus Division |
Davenport |
IA |
| John Deere Dubuque Tractor |
Dubuque |
IA |
| Marshall Swift Co |
Mason City |
IA |
| North American Mfg Co |
Sioux City |
IA |
| Quinn Wire Iron Co |
Boone |
IA |
| Sowest Federated Power |
Creston |
IA |
| Bixby, W.h. Inc. |
Des Moines |
IA |
| Fluor Corporation |
Clinton |
IA |
| Johnson School |
Davenport |
IA |
| Sudlow Jr. High School |
Davenport |
IA |
| Nichols Wire |
Davenport |
IA |
| Builders Materials Inc |
Cedar Rapids |
IA |
| Chemplex Construction Company Petrochemical |
Clinton |
IA |
| Farmland Industries Inc |
Fort Dodge |
IA |
| Iowa Illinois Gas And Electric Company |
Davenport |
IA |
| Little Ralph |
Davenport |
IA |
| Occidental Chemical |
Buffalo |
IA |
| Thormoline Corporation |
Dubuque |
IA |
| Monsanto Co. |
Muscatine |
IA |
| Proctor Gamble Manufacturing Company, Maintenance Building |
Iowa City |
IA |
| Arnold Electric Power Station Company |
Oelwein |
IA |
| C. Gilbert |
Des Moines |
IA |
| Chicago Great Western Railway |
Oelwein |
IA |
| Cudahy Packing Company |
Sioux City |
IA |
| Fairmont Foods |
Sioux City |
IA |
| Huiskamp Brothers Company |
Keokuk |
IA |
| Iowa Farming Tool Company |
Ft Madison |
IA |
| Iowa River Light And Power Company |
Eldora |
IA |
| Keokuk Railway And Power Company |
Keokuk |
IA |
| Mason City Clear Lake Railway Company |
Mason City |
IA |
| Municipal Power And Light |
Pella |
IA |
| Ottumwa Elect And Stm Company |
Ottumwa |
IA |
| Rubber Industries, Division Of Dryden Rubber Company |
Keokuk |
IA |
| Swift And Company |
Sioux City |
IA |
| Waterloo Gas And Electric Company |
Waterloo |
IA |
| Beaver Channel Powerhouse |
Clinton |
IA |
| Ak Midwest Insulation/hawkeye Chemical Plant |
Clinton |
IA |
| Interstate Power Company M.l. Kapp Station |
Clinton |
IA |
| Iowa Public Service Company (sioux City Gas Electric Co.) Water Street Station |
Sioux City |
IA |
| Consumers Cooperative Assoc. |
Fort Dodge |
IA |
| National By Products Inc. |
Clinton |
IA |
| Dubuque Packing Company |
Dubuque |
IA |
| Armstrong High School |
Rockwell |
IA |
| Firestone |
Des Moines |
IA |
| Voltmaster Battery Plant |
Corydon |
IA |
| Chamberlain Manufacturing Company |
Waterloo |
IA |
| Iowa Public Service Company |
Sergaant Bluff |
IA |
| Northern Natural Gas Co. |
Mason City |
IA |
| Martin Marietta Cement Company |
Davenport |
IA |
| Sioux City Gas Electric |
Sioux City |
IA |
| Iowa Power Light Ottumwa Generating Station |
Ottumwa |
IA |
| Animal Diseases Laboratory |
Ames |
IA |
| Collins Radio Computer Data Bldg |
Cedar Rapids |
IA |
| Home Federal Savings And Loan Association Bldg |
Des Moines |
IA |
| Mechanical Department |
Mason City |
IA |
| Power Plant Nbr 2 Unit 7 |
Ames |
IA |
| University Of Iowa Physical Plant -schmidt |
Iowa City |
IA |
| Celotex Corporation |
Fort Dodge |
IA |
| Iowa Asbestos Co. |
Des Moines |
IA |
| Bixby W H Inc |
Des Moines |
IA |
| Cedar Rapids Galvanizing |
Cedar Rapids |
IA |
| Donohoo Steel Treating Company |
Bettendorf |
IA |
| Hooker Chemical Corporation |
Montpelier |
IA |
| John Deere Works |
Ankenz |
IA |
| Mason City Brick Tile |
Mason City |
IA |
| Oakes Thomas Co |
Clinton |
IA |
| R W Rice |
Sioux City |
IA |
| Spencer Veneer Products |
Spencer |
IA |
| Penn Dixie Cement Plant |
W Des Moines |
IA |
| Georgia Pacific Corporation |
Ford Dodge |
IA |
| Kahl Building |
Davenport |
IA |
| Taylor School |
Davenport |
IA |
| Rath Packing Company |
Columbus Junction |
IA |
| C H Mcguiness Co |
Des Moines |
IA |
| Chemplex Construction Company Petrochemical- |
Clinton |
IA |
| Fisher Governor Co |
Marshalltown |
IA |
| Iowa Malleable Iron Company |
Fairfield |
IA |
| Lusk Candy Co |
Davenport |
IA |
| Original Enderes Company |
Guttenberg |
IA |
| Threlkeld Inc |
Chariton |
IA |
| The Maytag Company |
Newton |
IA |
| Gibson Homans Co. |
Des Moines |
IA |
| Atchinson, Topeka And Santa Fe Railway Company |
Ft Madison |
IA |
| Caradco Corporation |
Dubuque |
IA |
| Chicago Rock Island And Pacific Railway Company |
Manly |
IA |
| Curtis Brothers And Company |
Clinton |
IA |
| Farley And Loetscher Manufacturing Company |
Dubuque |
IA |
| Huttig Manufacturing Company |
Muscatine |
IA |
| Iowa Illinois Gas And Electric Company |
Ft Dodge |
IA |
| Iowa Southern Utilities Company |
Centerville |
IA |
| Kohrs Cold Storage Company |
Davenport |
IA |
| Mason City Clear Lake Railway Company |
Emery |
IA |
| Muscatine Lighting Company |
Muscatine |
IA |
| Ottumwa Electric Railway |
Ottumwa |
IA |
| Schick General Hospital |
Clinton |
IA |
| Swift Edible Oil Company |
Des Moines |
IA |
| Whitehead Machinery Company |
Davenport |
IA |
| E.i. Dupont De Nemours Company |
Clinton |
IA |
| Ak Midwest (hawkeye Chemical) |
Clinton |
IA |
| Iowa Power Light Co. Council Bluffs Power Station |
Council Bluffs |
IA |
| Packaging Corp. Of America |
Tama |
IA |
| Dupont Plant |
Clinton |
IA |
| Plumbers Supply Company |
Iowa City |
IA |
| Fmc Corporation |
Cedar Rapids |
IA |
| Bettendorf Powerhouse |
Riverside |
IA |
| Grain Processing Plant |
Muscatine |
IA |
| 7-up Bottling Works |
Davenport |
IA |
| Climax Molybdenum Company |
Fort Madison |
IA |
| Iowa State College |
Ames |
IA |
| Oliver Farm Equipment Company |
Charles City |
IA |
| Northwestern States Portland Cement |
Mason City |
IA |
| Square D |
Cedar Rapids |
IA |
| Iowa Southern Burlington Generating Station |
Burlington |
IA |
| Apco Oil Corporation |
Fort Dodge |
IA |
| Consumers Coop Chemical Plant |
Fort Dodge |
IA |
| Hormel Plant |
Algona |
IA |
| Mechanical Department P.o. Mc-37314 |
Mason City |
IA |
| Powerhouse |
Dubuque |
IA |
| University Of Iowa Physical Plant Stores |
Iowa City |
IA |
| Chemplex Construction Company |
Clinton |
IA |
| Iowa Ordnance Plant |
Burlington |
IA |
| Bixby W I Inc |
Davenport |
IA |
| Celotex Corporation |
Fort Dodge |
IA |
| Dubuque Stone Products |
Dubuque |
IA |
| Hooker Chemical Corporation |
Buffalo |
IA |
| John Deere Works |
Des Moines |
IA |
| Mc Donald Mfg Co A Y |
Dubuque |
IA |
| Oliver Corporation |
Charles City |
IA |
| R W Rice |
Souix City |
IA |
| Star Galvanizing Co |
Cedar Rapids |
IA |
| Art Brown Motors |
Davenport |
IA |
| Grandview Baptist Church |
Davenport |
IA |
| Leclaire Manufacturing |
Leclaire |
IA |
| The Maytag Company |
Newton |
IA |
| Salvation Army Home |
Davenport |
IA |
| Cantex Industries Brick |
Ottumwa |
IA |
| Chevron Chemical Co |
Fort Madison |
IA |
| Herman Fust Company |
Des Moines |
IA |
| Iowa State Highway Commission |
Ames |
IA |
| Marquart Concrete Block C |
Waterloo |
IA |
| Original Enderes Tool Company |
Guttenburg |
IA |
| Tri City Boiler Company |
Bettendorf |
IA |
| Iowa State University Generator #5 |
Ames |
IA |
| U.s Gypsum Co. |
Fort Dodge |
IA |
| Atchinson, Topeka And Santa Fe Railway Company |
Shopton |
IA |
| Cardaco, Incorporated |
Dubuque |
IA |
| City Ice Company |
Des Moines |
IA |
| Darling International |
Sioux City |
IA |
| Firestone Tire And Rubber Company |
Des Moines |
IA |
| Hygrade Food Products Corporation |
Storm Lake |
IA |
| Iowa Illinois Gas And Electric Company |
Iowa City |
IA |
| Iowa Southern Utilities Company |
Eddyville |
IA |
| L.h. Kurtz Company |
Des Moines |
IA |
| Maytag Company |
Newton |
IA |
| Muscatine Municipal Electric Plant |
Muscatine |
IA |
| Ottumwa Railway And Light Company |
Ottumwa |
IA |
| Sioux City Eng |
Sioux City |
IA |
| T.m. Sinclair And Company |
Cedar Rapids |
IA |
| Wilson And Company, Incorporated |
Cedar Rapids |
IA |
| Swift Independent Packing |
Des Moines |
IA |
| Hawkeye Chemical |
Clinton |
IA |
| Caterpillar Tractor Company |
Davenport |
IA |
| Iowa Public Service Company Maynard Station |
Waterloo |
IA |
| First Miss |
Fort Madison |
IA |
| Terra Chemical Corporation |
Sargent Bluff |
IA |
| Link-belt |
Cedar Rapids |
IA |
| Brown Lumber Company |
Raymond |
IA |
| Jennie Edmundson Hospital |
Council Bluff |
IA |
| Carnation Company Plant |
Waverly |
IA |
| Consolidated Packing |
Burlington |
IA |
| Iowa Illinois Gas Electric Company |
South Muscatine |
IA |
| Penick Ford |
Cedar Rapids |
IA |
| Northwestern States Portland |
Mason City |
IA |
| Union Pacific Rr/chicago Northwestern |
Clinton |
IA |
| Lehy Bridge Tile |
Fort Dodge |
IA |
| Atlantic Municipal Utiltites |
Atlantic |
IA |
| Consumers Coop Chemical Plant |
Port Dodge |
IA |
| Iowa Electric Light Power Boone Power Station |
Boone |
IA |
| Medical Research Hospital |
Iowa City |
IA |
| Proctor Gamble Plant |
Iowa City |
IA |
| University Of Northern Iowa Physical Plant Walker |
Cedar Falls |
IA |
| Clinton Corn Processing Company |
Clinton |
IA |
| Iowa Public Service Company |
Salix |
IA |
| Bixby W I Inc |
Des Moines |
IA |
| Celotex Corporation |
Ft Dodge |
IA |
| Dubuque Stove Products |
Dubuque |
IA |
| Hy Grade Food Products |
Storm Lake |
IA |
| John Deere Works |
Dubuque |
IA |
| Mc Guiness C H Co |
Des Moines |
IA |
| Omaha Standard |
Council Bluff |
IA |
| Rath Packing Company |
Columbus Jct |
IA |
| Swift Company |
Clinton |
IA |
| Beck Wagner |
Danville |
IA |
| Grandwood School |
Bettendorf |
IA |
| Linwood Stone |
Linwood |
IA |
| Tire Stud, Division Of Studebaker |
Jefferson |
IA |
| The Hubinger Company |
Keokuk |
IA |
| Cantex Industries Brick |
Redfield |
IA |
| City Laundering Co |
Delwein |
IA |
| Georgia Pacific Corporation |
Fort Dodge |
IA |
| Iowa State Highway Commision |
Ames |
IA |
| Marshalltown Trowel Compa |
Marshalltown |
IA |
| Paxton And Verling Steel |
Carter Lake |
IA |
| University Avenue Coal Co |
Des Moines |
IA |
| Chemplex Construction |
Clinton |
IA |
| A.g. Processing, Incorporated |
Eagle Grove |
IA |
| Ballsford Station |
Des Moines |
IA |
| Cargill, Incorporated |
Eddyville |
IA |
| Clarinda State Hospital |
Clarinda |
IA |
| Davenport Gas And Electric Company |
Davenport |
IA |
| Fisher Artificial Ice And Cold Storage Company |
Dubuque |
IA |
| I.e.s. |
Cedar Rapids |
IA |
| Iowa Light Heat And Power Company |
Lemars |
IA |
| Iowa State Capitol |
Des Moines |
IA |
| L.c. Harberger |
Keokuk |
IA |
| Maytag Corporation |
Newton |
IA |
| Muscatine Power And Light |
Muscatine |
IA |
| Ottumwa Tract And Light Company |
Ottumwa |
IA |
| Sioux City Eng Works |
Sioux City |
IA |
| Titan Tire Corporation |
Des Moines |
IA |
| Woodland Coal Company |
Woodland |
IA |
| American Herbicide Plant |
Dubuque |
IA |
| Riverside Generating Plant |
Bettendorf |
IA |
| Oscar Mayer Company |
Davenport |
IA |
| Iowa Public Service Company Waterloo Station |
Waterloo |
IA |
| Glenwood State Hospital School |
Glenwood |
IA |
| Paul J Krez Company |
Mason City |
IA |
| Amana Refrigeration Inc. |
Amana |
IA |
| Burlington Northern Railroad |
Burlington |
IA |
| John Deere Dubuque Works |
Dubuque |
IA |
| United Equipment Accessories |
Waverly |
IA |
| Corn Belt Power Cooperative |
Humbolt |
IA |
| J. Morrell Co. |
Ottumwa |
IA |
| Peoples Gas And Electric Company |
Mason City |
IA |
| Can-tex Industries |
Ottumwa |
IA |
| Iowa Electric Light And Power Company |
|
IA |
| Monsanto Chemical Company |
Muscatine |
IA |
| Forest City Municipal Light Plant |
Forest City |
IA |
| Corn Belt Power Cooperative Earl F. Wisdom Generating Station |
Spencer |
IA |
| Iowa Electric Light Power Company Sutherland Station |
Marshalltown |
IA |
| Mental Health Institute |
Cherokee |
IA |
| Riverside Power Station |
Iowana |
IA |
| University Power Plant |
Iowa City |
IA |
| Collins Radio |
Cedar Rapids |
IA |
| Iowa Veterans Home |
Marshalltown |
IA |
| Bixby, W.h. Inc |
Davenport |
IA |
| Central Steel Tube Company |
Clinton & Camanche |
IA |
| E.i. Du Pont De Nemours Company |
Clinton |
IA |
| International Minerals Chemical Corporation |
Mason City |
IA |
| Johnson Machine Works, Incorporated |
Chariton |
IA |
| Mcguiness C H Co |
Davenport |
IA |
| Original Enderes Company |
Guttenburg |
IA |
| Red Jacket M F G Company |
Davenport |
IA |
| Swift Co |
Marshalltown |
IA |
| Bennett High School |
Bennett |
IA |
| Griffin Pipe |
Council Bluffs |
IA |
| Mccarthy Improvement |
Davenport |
IA |
| Union Pacific |
Council Bluffs |
IA |
| Burlington Northern Santa Fe Railroad |
Clinton |
IA |
| Can-tex Industries Brick |
Des Moines |
IA |
| Clinton Corn Processing Company |
Clinton |
IA |
| Giant Manufacturing Co |
Council Bluffs |
IA |
| Iowa State Penitentiary |
Fort Madison |
IA |
| Mid America Dairymen Inc |
Des Moines |
IA |
| Penick And Ford Ltd Inc |
Cedar Rapids |
IA |
| Universtiy Avenue Coal Co |
Des Moines |
IA |
| Armstrong Rubber Company |
Des Moines |
IA |
| Alliant Power Company |
Dubuque |
IA |
| Barnes Electric Light And Power Company |
Maquoketa |
IA |
| Cargill, Incorporated |
Cedar Rapids |
IA |
| Clinton Company |
Clinton |
IA |
| Davenport Glucose Manufacturing Company |
Davenport |
IA |
| Fisher Governor Company |
Marshalltown |
IA |
| Ies Utilities, Incorporated |
Marshalltown |
IA |
| Iowa Manufacturing Company |
Oskaloosa |
IA |
| Iowa State College, Heating Plant |
Ames |
IA |
| Lake Shore Tire And Rubber Company |
Des Moines |
IA |
| Meeks Brothers |
Bonaparte |
IA |
| Muscatine Power And Water |
Muscatine |
IA |
| Peoples Gas And Electric Company |
Mason City |
IA |
| Sioux City Oat Meal Company |
Sioux City |
IA |
| Titan Wheel International |
Des Moines |
IA |
| Xavier Hospital |
Dubuque |
IA |
| Interstate Power |
Dubuque |
IA |
| Cedar Falls Utilities Streeter Unit 7 |
Cedar Falls |
IA |
| Iowa Power Light Co. Des Moines Power Station |
Des Moines |
IA |
| Rath Packing Company- |
Waterloo |
IA |
| Glick Supply Company |
Marshalltown |
IA |
| M. W. Kellogg Co. |
Fort Dodge |
IA |
| General Electric Company- |
Burlington |
IA |
| Cedar Rapids Nuclear Powerhouse |
Cedar Rapids |
IA |
| John Deere Tractor |
Waterloo |
IA |
| Waterloo Register Company |
Waterloo |
IA |
| Corn Belt Power Cooperative |
Spencer |
IA |
| J.e. Decker Sons |
Mason City |
IA |
| Potlatch Corporation- |
Lewiston |
IA |
| Dewey Port Tl Cem |
Linwood |
IA |
| Basic Science Building |
Iowa City |
IA |
| Muscatine Power Water Muscatine Generating Station |
Muscatine |
IA |
| City Of Hartley Municipal Power Plant |
Hartley |
IA |
| Corn Belt Power Cooperative Humboldt Steam Plant |
Humboldt |
IA |
| Iowa Electric Light And Power Company Spirit Lake Power Plant |
Spirit Lake |
IA |
| Mental Health Institute |
Mount Pleasant |
IA |
| Salsburys Laboratory |
Charles City |
IA |
| W. A. Klinger Co., Inc. |
Lehigh |
IA |
| Covenant Medical Center |
Waterloo |
IA |
| J. A. Neymeyer Co. |
Waterloo |
IA |
| Bixby, W.h. Inc |
Des Moines |
IA |
| Chamberlain Corporation |
Waterloo |
IA |
| Eagle Iron Works |
Des Moines |
IA |
| Iowa Electric Light And Power Company |
Spirit Lake |
IA |
| Johnston Tombigbee Furniture Manufacturing |
Chariton |
IA |
| Mental Health Institute |
Independence |
IA |
| Original Enderes Company |
Guidenburg |
IA |
| Redfield Brick Tile |
Redfield |
IA |
| Tailor Company Inc |
Settendorf |
IA |
| Bestwall Gypsum Company |
Fort Dodge |
IA |
| Haweye Steel Production |
Waterloo |
IA |
| Mckinley School |
Davenport |
IA |
| Veterans Administration Hospital |
Iowa City |
IA |
| Union Pacific Railroad |
Clinton |
IA |
| Can-tex Industries Brick |
Ottumwa |
IA |
| Clinton Engines Corp |
Maquoketa |
IA |
| Graceland College |
Lamont |
IA |
| Jc Building Co |
Des Moines |
IA |
| Mini Mite Inc |
Le Claire |
IA |
| Penn Dixie Cement Corporation |
W Des Moines |
IA |
| Us Dept Of Agriculture |
Ames |
IA |
| Iowa Air National Guard Base Operations Office |
Des Moines |
IA |
| Allied Mills |
Mason City |
IA |
| Board Of Control Of State Institutions |
Des Moines |
IA |
| Cargill, Incorporated, Eddyville Corn Milling |
Eddyville |
IA |
| Clinton Corn Processing Company |
Clinton |
IA |
| Department Of Me |
Ames |
IA |
| Ft. Dodge Gas Electric Company |
Ft Dodge |
IA |
| Inc Town Of Silbey |
Sibley |
IA |
| Iowa Packing Company |
Des Moines |
IA |
| Iowa State Hospital |
Clarinda |
IA |
| Land O Lakes Cooperative |
Sheldon |
IA |
| Mercy Hospital |
Davenport |
IA |
| Mystic Milling Company |
Sioux City |
IA |
| Peoples Gas And Electric Company |
Burlington |
IA |
| Sioux City Service Company |
Sioux City |
IA |
| Town Of New London |
New London |
IA |
| University Of Northern Iowa, 30th Nebraska, 50613 |
Cedar Falls |
IA |
| Whirlpool Company |
Evansville |
IA |
| Iowa Electric Light And Power Company Centralized Load Dispatching Headquarters |
Cedar Rapids |
IA |
| Northwestern Bell Telephone Co. |
Des Moines |
IA |
| Berwanger Boiler |
Dubuque |
IA |
| Globe Machine Supply Company |
Spencer |
IA |
| Mercy Hospital |
Des Moines |
IA |
| Hawkeye Chemical Company |
Clinton |
IA |
| Central Asbestos Supply |
Des Moines |
IA |
| Lutheran Hospital |
Des Moines |
IA |
| Midwestern Pipe Contractors |
Belle Vue |
IA |
| Davenport Iowa Wastesater Treatment Plant |
Davenport |
IA |
| John Morrell And Company |
Ottumwa |
IA |
| Quaker Oats Company |
Cedar Rapids |
IA |
| Herman Fust Company |
Des Moines |
IA |
| Iowa Public Service Company- |
Sergeant Bluff |
IA |
| Phillips Chemical |
Fort Madison |
IA |
| Milton Kapp Generating Station Unit 2 |
Clinton |
IA |
| Crandic Railroad Whse. |
Iowa City |
IA |
| Iowa Electric Light Power Sixth Street Power Station |
Cedar Rapids |
IA |
| Meredith Publishing Plant |
Des Moines |
IA |
| Salsburys Laboratory Power House Addition |
Charles City |
IA |
| Wigdahl Brothers Hardware |
Emmetsburg |
IA |
| Dr. Salsburys Laboratory |
Charles City |
IA |
| Jacob E. Decker Sons |
Mason City |
IA |