| Calaf M.f. Central Mouserate |
Mahuter |
PR |
| Central Coloso, Incorporated |
Aguadilla |
PR |
| Central Igualdad, Incorporated |
Mayaguez |
PR |
| Central Playa Grande |
Vieques |
PR |
| Cerveria Corona |
San Juan |
PR |
| D.e. Ford And Company |
San Juan |
PR |
| Guanica Centrale |
Ensenada |
PR |
| Mario Mercado E Hijos |
Guayanilla |
PR |
| Plato Sugar Company |
Aguadilla |
PR |
| S. Anell Maso |
Aguadilla |
PR |
| Sucesion J. Serralles |
Ponce |
PR |
| American Cyanamid Company Dexon Plant |
Manati |
PR |
| Gibson Caribe Inc |
Luquillo |
PR |
| Brown Root Caribe |
Guayanilla |
PR |
| Luvi Trucking |
San Juan |
PR |
| Ponce Hotel |
Ponce |
PR |
| U. S. Atomic Energy Commission |
Ricon |
PR |
| Chevron Phillips Chemical Puerto Rico Core |
Guayama |
PR |
| Carmen Centrale |
San Juan |
PR |
| Central Coloso, Incorporated |
San Juan |
PR |
| Central Juanita, Incorporated |
Bayamon |
PR |
| Central Plazuela |
Barceloneta |
PR |
| Cia Azucarera Eljempo |
Humacao |
PR |
| Del Monte De Puerto Rico, Incorporated |
San Juan |
PR |
| Guanica Centrale |
Guanica |
PR |
| Mario Mercado E Hizos |
Guayanilla |
PR |
| Ponce Electric Company |
Ponce |
PR |
| Sabrinos De Ezquiaga |
San Juan |
PR |
| Sucesores De Roses And Company |
Arecibo |
PR |
| General Electric Co. Plating Facility |
Palmer |
PR |
| Antes Edificio Cafeteres De Puer |
Ponce |
PR |
| Caribbean Insulation Inc |
San Juan |
PR |
| North Brothers |
Guayama |
PR |
| Procon International S. A. |
Santurce |
PR |
| U. S. Atomic Energy Commission |
Rincon |
PR |
| Garcomin |
San Juan |
PR |
| E.r. Squibb Sons Inc. |
Humacao |
PR |
| Carmen Centrale |
San Juan |
PR |
| Central Columbia |
Maunabo |
PR |
| Central La Fayette |
Arroyo |
PR |
| Central Pasto Viejo And United Porto Rico Sugar Company |
Caquas |
PR |
| Cia Sucrerie Centl Coloso |
Aguadilla |
PR |
| Durite Corporation, Limited |
Arecibo |
PR |
| Guanica Mill |
Ensenada |
PR |
| Marques And Company |
Arecibo |
PR |
| Ponce Railway And Light Company |
Ponce |
PR |
| San Juan And Rio Piedras Railroad |
San Juan |
PR |
| Sucs. C. And J. Fantuzzi Central Lafayette |
Arroyo |
PR |
| Palo Seco Power Station |
Palo Seco |
PR |
| Armstrong Contracting Supply Corporation |
Ponce |
PR |
| Carribbean Refining |
San Juan |
PR |
| Ocf |
San Juan |
PR |
| Puerto Rico Chemical Company |
Arecibo |
PR |
| U.c.c.i. |
Ponce |
PR |
| Garcomin |
Ponce |
PR |
| Union Carbide Caribe Incorporated |
Guayanilla |
PR |
| Carona Brewing Corporation |
San Juan |
PR |
| Central Constancia |
San Juan |
PR |
| Central Los Canas |
Arecibo |
PR |
| Central Roig. |
Humacao |
PR |
| Cia Sucrerie Cinternational Coloso |
Agndilla |
PR |
| Eli Lilly Industries, Incorporated |
Carolina |
PR |
| Gustavo Mourraille Central Porto Real |
Vieques |
PR |
| Mayaguez Light And Ice Company |
Mayaguez |
PR |
| Portilla Corporation |
San Juan |
PR |
| Santa Isabel Sugar Company |
San Juan |
PR |
| Sugar Corporation Of Puerto Rico |
Mercedita |
PR |
| Saline Water Conversion Corp. |
Ponce |
PR |
| Felco Puerto Rico Inc |
San Juan |
PR |
| Daniel F. Young Inc |
Santurce |
PR |
| P. R. Water Resources Authority San Juan Steam Power Plant Units 9 10 |
San Juan |
PR |
| Puerto Rico Medical Center Central Building |
Rio Piedras |
PR |
| U.c.c.i. |
San Juan |
PR |
| J. M. G. Inc. |
Suan Juan |
PR |
| Brown Root Caribe, Incorporated |
Guayanilla |
PR |
| Cayey Sugar Company |
San Juan |
PR |
| Central Corsica |
Rincon |
PR |
| Central Los Canos |
San Juan |
PR |
| Central Rufina |
Graysville |
PR |
| Compagnie Des Sucreries De Porto Rico |
Ponce |
PR |
| Esperanza Central Sugar Company |
Naugabo |
PR |
| Ingenio Natividad |
Sancti Spiritus |
PR |
| Mayaguez Light, Power And Ice Company, Incorporated |
Mayaguez |
PR |
| Porto Rico International Corporation |
Central Los Canos Arecibo |
PR |
| Sobrinos De Exyuiaga |
San Juan |
PR |
| Union Carbide |
Ponce |
PR |
| Us Navy Sewage Treatment Plant |
Roosevelt Roads |
PR |
| Borinquen Insulation Co Inc |
San Turce |
PR |
| Esso Standard Oil Co |
Las Piedras |
PR |
| Puerto Rico Water Resources Authority Aguirre Power Plant Unit 1 |
Salinas |
PR |
| S. M. H. Trading Co. |
Arroyo |
PR |
| Union Carbide |
Ponce |
PR |
| Burke Wilhelm |
San German |
PR |
| Central Aguirre Sugar Company |
San Juan |
PR |
| Central Cortada |
Jogos |
PR |
| Central Machete Company |
Central Machate, Guayama |
PR |
| Central San Cristobal |
Maguabo |
PR |
| Compania Azucarera Del Camuy Camluy |
Arecibo |
PR |
| Export C. And J. Fantauzzi |
Arroyo |
PR |
| Jaime Federico Calaf Colazo |
Manati |
PR |
| Mayaquez Light And Ice Company |
Mayaguez |
PR |
| Porto Rico Railway, Light, And Power Company |
Santuice |
PR |
| Sobrinos De Exyuiaga |
Central Progresso |
PR |
| Utuado Sugar Company |
Utuado |
PR |
| Caribe Desalting Plant |
|
PR |
| Waterman Steamship Lines |
San Turce |
PR |
| Fuller Austin Borinquen |
Yabucoa |
PR |
| Puerto Rico Water Resources Authority Aguirre Power Plant Unit 1 |
Salinas |
PR |
| Puerto Rico Water Resources Authority San Juan Steam Plant |
San Juan |
PR |
| Union Carbide Caribe Inc. |
Penuelas |
PR |
| Central Igualdad |
Mayaguez |
PR |
| Central Aguirre Sugar Company |
Jobos |
PR |
| Central Cortada |
Ponce |
PR |
| Central Mercedita, Incorporated |
Ponce |
PR |
| Central San Vicente |
San Juan |
PR |
| Compania Azucarera Del Toa |
Toa Baja |
PR |
| Fajardo Sugar Company |
Fajardo |
PR |
| Juncos Central Company |
Humacao |
PR |
| Mcmurtrie Guiler Company |
San Juan |
PR |
| Porto Rico Railway, Light, And Power Company, Santurce Power Plant |
San Juan |
PR |
| Soc Anonina De Luz Electrica |
San Juan |
PR |
| Yabucoa Sugar Company |
San Juan |
PR |
| Squibb Sons Pharmaceutical Plant |
|
PR |
| Gonzales Plant |
Guanica |
PR |
| Garcia Commercial Inc |
Ponce |
PR |
| Puerto Rico Water Resources Authority Aguirre Power Plant Unit 2 |
Salinas |
PR |
| Puerto Rico Water Resources Authority San Juan Steam Plant Bldg. No. 292 |
San Juan |
PR |
| Union Carbide Caribe Inc. |
Ponce |
PR |
| Union Carbide Caribe, Incorporated |
Guayanilla |
PR |
| Central Aguirre Sugar Company |
San Juan |
PR |
| Central Cortada |
Santa Isabel |
PR |
| Central Mercedita, Incorporated |
Yabucoa |
PR |
| Central Santa Barbara Jayuya Development Company |
Jayuya |
PR |
| Compania Azucarera El Ejemplo |
Humacao |
PR |
| Fajardo Sugar Company |
Central Canovanes |
PR |
| Juncos Central Company |
Humacao |
PR |
| Melchior Armstrong And Dessau |
San Juan |
PR |
| Puerto Rico Railway Light And Power Company |
Santurce |
PR |
| Socied Cerveceria Antaillawa |
Mayaguez |
PR |
| Yabucoa Sun Oil Company |
San Juan |
PR |
| Puerto Rico Electric Power Authority (a/k/a Mayaguez Power Ice Co) |
Mayaguez |
PR |
| Union Carbide Caribe Inc |
Ponce |
PR |
| Garcia Commercial Inc |
San Juan |
PR |
| Puerto Rico Water Resources Authority Aguirre Power Plant Unit 6 |
Salinas |
PR |
| Puerto Rico Water Resources Authority San Juan Steam Plant Unit 7 |
San Juan |
PR |
| Union Carbide Co |
Ponce |
PR |
| Aguirre Corporation Of New York |
Jobos |
PR |
| Central Aguirre Sugar Company |
Aguirre |
PR |
| Central Cortadosanta |
Isable |
PR |
| Central Mercedita, Incorporated |
Mercedita |
PR |
| Central Santa Juana |
Caguas |
PR |
| Compania Industrial |
Yabucoa |
PR |
| Fajardo Sugar Company |
Central Canovanos |
PR |
| Juncos Central Company |
San Juan |
PR |
| Mohasco Industries, Incorporated, Plant |
Mayaguez |
PR |
| Preston Division |
Central Preston |
PR |
| Soller Sugar Company |
Arecibo |
PR |
| Yabucoa Sun Oil Company |
Yabucoa |
PR |
| Puerto Rico Water Resources Authority Aguire Station |
Ponce |
PR |
| Caribean Refining Co |
San Juan |
PR |
| Garcia Commercial Inc |
San Turce |
PR |
| Puerto Rico Water Resources Authority Aguirre Power Plant Unit 6 |
Salinas |
PR |
| Puerto Rico Water Resources Authority San Juan Steam Plant Unit 10 |
San Juan |
PR |
| Urb Tres Monjitas |
Hato Rey |
PR |
| Andres Crosse |
San Juan |
PR |
| Central Aguirre Sugar Company |
Jobos |
PR |
| Central Defense |
San Juan |
PR |
| Central Mercedita Refinery |
Ponce |
PR |
| Central Victoria, Incorporated |
San Juan |
PR |
| Compania Industrial Azucarera De Yabucoa |
Yabocoa |
PR |
| Fayardo Sugar Company |
Fajardo |
PR |
| Loiza Sugar Company |
Loiza |
PR |
| Montreal Engineering Company |
Santurce |
PR |
| Puerto Rico Development |
San Juan |
PR |
| South Porto Rico Sugar Company |
Guania Central Ensenda |
PR |
| Yugo Central Coloso |
Aguadilla |
PR |
| Puerto Rico Water Resources Authority South Coast Steam Plant |
Ponce |
PR |
| Puerto Rico Water Resources Authority Aguirre Power Plant Unit 1 |
Salinas |
PR |
| Garco Export Co. |
San Juan |
PR |
| Puerto Rico Water Resources Authority Aguirre Power Plant Unit 2 |
Salinas |
PR |
| South Coast Steam Plant |
Guayanilla |
PR |
| Urb Tres Monjitas Fredrico Costa St. |
Hato Rey |
PR |
| Antilles Brewing Company |
Carolina |
PR |
| Central Aguirre Sugar Company |
Jogos |
PR |
| Central Ejemplo Antonio Roig |
Humacao |
PR |
| Central Mercedita, Incorporated |
Ponce |
PR |
| Centrale Juanita |
San Juan |
PR |
| Compania Industrial Azucarera De Yabucoa |
Yabucoa |
PR |
| Finlay Brothers And Weymouth Trading Company |
San Juan |
PR |
| Loiza Sugar Company |
San Juan |
PR |
| Neptune Packing |
Mayaguez |
PR |
| Puerto Rico Distilling Company |
Arecibo |
PR |
| South Puerto Rico Sugar |
Guanica |
PR |
| Baxter Travenol Labs. Inc. |
Aibonito |
PR |
| Telares De Puerto Rico Inc. (a/k/a Star-kist Carbide) |
Ponce |
PR |
| Alcoa Steamship Company |
San Turce |
PR |
| Garco Export Company Inc |
San Juan |
PR |
| Puerto Rico Water Resources Authority Aguirre Power Plant Unit 6 |
Salinas |
PR |
| South Coast Steam Plant Units 5 And 6 |
Guayanilla |
PR |
| Urbanizacion Tres Monjitas |
Hato Rey |
PR |
| Atlantic Industries, Incorporated |
Mayaguez |
PR |
| Central Boca Chica |
Juana Diaz |
PR |
| Central Eureka, Incorporated |
Homigueras |
PR |
| Central Monserrate |
Manati |
PR |
| Centrale Los Canos |
Arecibo |
PR |
| Cooperativa Azucarera Los Canos |
Arecibo |
PR |
| Fortuna Sugar Factory |
Ponce |
PR |
| Machete Central Sugar Company |
Guayama |
PR |
| New Corsica Central Corporation |
Mayaguez |
PR |
| Puerto Rico Pulp And Paper Company |
San Juan |
PR |
| South Puerto Rico Sugar Company |
Ensenada |
PR |
| Arecibo Observatory |
Arecibo |
PR |
| Puerto Rico Water Resources Authority Palo Seco Station |
San Juan |
PR |
| Alcoa Steamship Company Plant No. 3120 |
San Juan |
PR |
| Garco Export Inc |
San Juan |
PR |
| Puerto Rico Water Resources Authority Palo Seco Station Unit 3 |
Catano |
PR |
| South Coast Steam Plant Unit 6 |
Guayanilla |
PR |
| West India Shipping Co. |
Lisas |
PR |
| Bacardi Corporation Of America |
San Juan |
PR |
| Central Boca Chica |
Ponce |
PR |
| Central Eureka, Incorporated |
Mayaguez |
PR |
| Central Pasto Viejo And United Porto Rico Sugar Company |
Caquas |
PR |
| Centrale Monserate |
Manati |
PR |
| Corp Azucarera Sauri And Subtra Central Constanc Ia |
Ponce |
PR |
| G. Amsinck Company |
V Mourraille |
PR |
| Machete Central Sugar Company |
Arroya |
PR |
| Nueva Compania Azucarera Gomez Mena |
Central Mercedita |
PR |
| Puerto Rico Railway Light And Power Company |
Santurce |
PR |
| South Puerto Rico Sugar Company, Trading Corporation |
Ensenada |
PR |
| Cayey Waste Water Treatment Plant |
Cayey |
PR |
| Puerto Rico Water Resources Authority San Juan Steam Plant |
San Juan |
PR |
| American Union Transport |
Guayanilla |
PR |
| Garcomin |
San Juan |
PR |
| Puerto Rico Water Resources Authority San Juan Steam Plant Unit 7 |
San Juan |
PR |
| South Coast Steam Plant Unit 6 |
Guayanilla |
PR |
| South Coast Steam Plant |
Guayanilla |
PR |
| Bacardi Corporation Of America |
San Juan |
PR |
| Central Cambalache |
Arecibo |
PR |
| Central Eureka Plantation |
Mayaguez |
PR |
| Central Pasto Viejo, Incorporated |
San Juan |
PR |
| Cervecera India |
Anasco |
PR |
| Czarnikow Rionda Company, Incorporated |
San Juan |
PR |
| George I. Finlay |
San Juan |
PR |
| Manati Sugar Company |
Manati |
PR |
| Peurto Rico Water Resources Authority |
San Juan |
PR |
| Puerto Rico Water Resources |
Santurce |
PR |
| South Puerto Rico Sugar Company, Trading Corporation |
Guanica |
PR |
| Baxter Travenol Labs. Inc. |
Culebra |
PR |
| Sun Oil Company |
Yabucoa |
PR |
| Borinquen Insulation Co Inc. |
Santurce |
PR |
| Garcomin Garcia Commercial Inc |
San Juan |
PR |
| Pan Atlantic Steamship Company |
Ponce |
PR |
| South Coast Steam Plant Unit 6 |
Guayanilla |
PR |
| Borinquen Insulation Co., Inc. |
San Juan |
PR |
| Barcelo Marques Company |
Camuy |
PR |
| Central Camuy |
San Juan |
PR |
| Central Fortuna |
Porto |
PR |
| Central Peurto Real |
Vieques |
PR |
| Cerveceria India |
Mayaguez |
PR |
| Czarnikow Rionda Company, Incorporated |
Yabucoa |
PR |
| Guanica Centrale |
Ensenada |
PR |
| Manati Sugar Company |
Manati |
PR |
| Pfizer Pharmaceuticals, Incorporated |
Barceloneta |
PR |
| Rico Chemical Corporation |
Ponce |
PR |
| Sr. Don Manuel Leon Parra |
Ponce |
PR |
| Travenol Laboratories |
Culebra |
PR |
| Puerto Rico Dry Dock |
Parada Santurce |
PR |
| Brown Root Caribe |
Guayanilla |
PR |
| Jmg Inc. |
San Juan |
PR |
| Phillips Puerto Rico Core Inc |
Guayama |
PR |
| South Coast Steam Plant Units 5 And 6 |
Guayanilla |
PR |
| Borinquen Insulation Co., Inc. |
Santurce |
PR |
| Barcelo Marques Company |
Arecibo |
PR |
| Central Coloso, Incorporated |
Aguadilla |
PR |
| Central Igualdad, Incorporated |
San Juan |
PR |
| Central Playa Grande |
Vieques |
PR |
| Cerveceria Real |
Mayaguez |
PR |
| D.e. Ford And Company |
Central Aguirre |
PR |
| Guanica Centrale |
Ensenada |
PR |
| Marcus Mason And Company |
Arecibo |
PR |
| Pittsburgh Plate And Glass Industries |
Guayanilla |
PR |
| Riera, Toro And Von Twistern, Incorporated |
Central Coloso |
PR |
| Sucesion J. Serralles |
Central Mercedita |
PR |
| Isabel Segunda Water System Pipeline |
Isabel Segunda |
PR |
| Puerto Rico Olefins Company |
Renuelas |
PR |
| Brown Root Caribe |
Guayanilla |
PR |
| Juan Maria Garcia Inc |
San Juan |
PR |
| Plata Sugar |
San Juan |
PR |
| Sun Oil Company |
Yabucoa |
PR |
| Brown Root Caribe |
Guayanilla |
PR |