| MCMillipore Cidra INC | Cidra | PR | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| MCMistolin Caribe INC | Bayamon | PR | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| MMMotrin Manufacturing | Barceloneta | PR | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| MIMylan INC | Caguas | PR | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| NPNypro Puerto Rico INC | Cayey | PR | Plastics and Rubber Products Manufacturing326121 | — | ◇ UNVERIFIED |
| OLOlay LLC | Cayey | PR | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| OPOrganic Power LLC | Vega Baja | PR | Electrical Equipment, Appliance & Component Manufacturing335121 | — | ◇ UNVERIFIED |
| OSOriental Sand & Gravel | Yabucoa | PR | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| OIOwens Illinois De Pr | Vega Alta | PR | Nonmetallic Mineral Product Manufacturing327213 | — | ◇ UNVERIFIED |
| PAPan American Fertilizer | Guanica | PR | Chemical Manufacturing325312 | — | ◇ UNVERIFIED |
| PPPatheon Puerto Rico (form: Mova) | Caguas | PR | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| PPPatheon Puerto Rico INC | Caguas | PR | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| PEPetroleum Emulsion Mfg | Bayamon | PR | Petroleum and Coal Products Manufacturing324122 | — | ◇ UNVERIFIED |
| PPPfizer Pharmaceuticals | Guayama | PR | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| PPPfizer Pharmaceuticals - Arecibo | Arecibo | PR | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| PHPlanta Hatillo | Hatillo | PR | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| PPPlanta Peñuelas | Peñuelas | PR | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| PSPlata Sugar Mill | San Sebastian | PR | Food Manufacturing311314 | — | ◇ UNVERIFIED |
| PAPonce Asphalt 4 INC. | Santa Isabel | PR | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| PCPonce Concrete Blk 1 | Ponce | PR | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| PAProductores Avicolas De Pr INC | Salinas | PR | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| PAProductos Avicolas Del Caribe | Coamo | PR | Food Manufacturing311000 | — | ◇ UNVERIFIED |
| PRPuerto Rico Aggregates | Carolina | PR | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| PRPuerto Rico Terminals Group, LLC | Penuelas | PR | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| RDRca Del Caribe Incorporated | Barceloneta | PR | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| RMRd Medical Manufacturing INC | Culebra | PR | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| RAR&f Asphalt | Ponce | PR | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| RJR J Reynolds Tobacco | Yabucoa | PR | Beverage and Tobacco Product Manufacturing312221 | — | ◇ UNVERIFIED |
| STSeamless Textiles | Humacao | PR | Textile Mills313310 | — | ◇ UNVERIFIED |
| SESensormatic Electronics CORP | Aguadilla | PR | Computer and Electronic Product Manufacturing334290 | — | ◇ UNVERIFIED |
| SMSmart Modular Technologies of Pr | Aguada | PR | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| SPSolectron Puerto Rico Aguadilla Plant | Aguadilla | PR | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| SWSouthern Wood Treating, INC. | Guayanilla | PR | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
| SKStar Kist Tuna | Mayaguez | PR | Food Manufacturing311711 | — | ◇ UNVERIFIED |
| SJSt Jude Medical | Caguas | PR | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| SJSt Jude Medical Puerto Rico LLC | Arecibo | PR | Computer and Electronic Product Manufacturing334510 | — | ◇ UNVERIFIED |
| SDSuiza Dairy CORP | Aguadilla | PR | Food Manufacturing311421 | — | ◇ UNVERIFIED |
| SASuper Asphalt Canovanas Plant | Canovanas | PR | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| SASuper Asphalt Pavement CORP #1 | Guaynabo | PR | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| SASuper Asphalt Pavement, Plant 2 | Canovanas | PR | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| TPTapi Puerto Rico INC | Guayama | PR | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| TATech Aerofoam Products International INC | Carolina | PR | Plastics and Rubber Products Manufacturing326150 | — | ◇ UNVERIFIED |
| TGTech Group De Puerto Rico, INC. | Cidra | PR | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| TKThermo King De Puerto Rico | Ciales | PR | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| TFTonka Footwear CO INC | Humacao | PR | Leather and Allied Product Manufacturing316219 | — | ◇ UNVERIFIED |
| URUcar Resinas Caribe INC. | Bayamon | PR | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| VHVelazquez Hydraulic Services | Rio Piedras | PR | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| WCWarner Chilcott Company LLC | Fajardo | PR | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| WLWyeth-ayerst Lederle | Carolina | PR | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| 3H3 H Corporation | San Juan | PR | Textile Mills313110 | — | ◐ LIKELY ACTIVE |
