| MPMaster Paints & Chemical Corporation | Guayanilla | PR | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| MHMcneil Healthcare LLC | Las Piedras | PR | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| MGMesser Gas Puerto Rico INC - Cataño | Catano | PR | Chemical Manufacturing325120 | — | ◐ LIKELY ACTIVE |
| PPPatheon Puerto Rico INC | Manati | PR | Chemical Manufacturing325412 | 500+ | ◐ LIKELY ACTIVE |
| POPeerless Oil & Chemicals, INC. | Penuelas | PR | Petroleum and Coal Products Manufacturing324110 | 20-99 | ◐ LIKELY ACTIVE |
| PPPfizer Pharmaceuticals LLC (vb) | Vega Baja | PR | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| SPSchering-plough Products LLC | Las Piedras | PR | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| SISteri-tech, INC. | Salinas | PR | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
| SJSt Jude Medical Puerto Rico LLC | Caguas | PR | Chemical Manufacturing325411 | 100-499 | ◐ LIKELY ACTIVE |
| EMEcolab Manufacturing INC | Bayamon | PR | Chemical Manufacturing325611 | — | ◐ LIKELY ACTIVE |
| LDLilly Del Caribe Pr-ii - Lilly Del Caribe Pr-ii | Carolina | PR | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| MIMsd International Gmbh (pr Branch) LLC. | Arecibo | PR | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| AHAbbott Healthcare LTD | Barceloneta | PR | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| APAkzonobel Paints Puerto Rico INC (ici Paints Puerto Rico Inc) | Carolina | PR | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| APApp Pharmaceuticals Manufacturing, LLC | Barceloneta | PR | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| BABasf Agrochemicals Products Bv | Caguas | PR | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| BLBilchem LTD | Ponce | PR | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
Bristol-myers Squibb Manufacturing CO | Barceloneta | PR | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
Bristol-myers Squibb Manufacturing CO. | Mayaguez | PR | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| CHCardinal Health | Humacao | PR | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| CPColgate Palmolive of Puerto Rico INC | Guayama | PR | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| CLCordis LLC | San German | PR | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| EMEnco Manufacturing CORP | Cidra | PR | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| EIEx-lax Incorporated | Humacao | PR | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| FQFlor Quim Incorporated | Patillas | PR | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| FCForto Chemical CORP | Guaynabo | PR | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| GPGalephar Pharmaceutical Research INC | Juncos | PR | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
General Chemical De Puerto Rico INC | Vega Alta | PR | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| GPGk Pharmaceuticals Contract Manufacturing Operations, LLC | Manati | PR | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| HEHeritage Environmental Service Pr LLC | Mayaguez | PR | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| IUInyx USA LTD | Manati | PR | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| IPIpr Pharmaceuticals, Inc./astrazeneca PLC | Canovanas | PR | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| JJJohnson & Johnson Consumer Products | Las Piedras | PR | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| JJJohnson & Johnson Hemisferica Sa | Guaynabo | PR | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| LDLilly Del Caribe (formerly, Ipr) | Guayama | PR | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| MMMarrion Merrell | Manati | PR | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| MPMaster Paints & Chemicals CORP | Guayanilla | PR | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| 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 |
| OLOlay LLC | Cayey | PR | Chemical Manufacturing325412 | — | ◇ 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 |
| PPPfizer Pharmaceuticals | Guayama | PR | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| PPPfizer Pharmaceuticals - Arecibo | Arecibo | PR | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| PAProductores Avicolas De Pr INC | Salinas | PR | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| TPTapi Puerto Rico INC | Guayama | PR | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| URUcar Resinas Caribe INC. | Bayamon | PR | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |