| BLBiodevelopment Laboratories I | Cambridge | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| CTCyclerion Therapeutics INC | Cambridge | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| DCDodge Company the | Cambridge | MA | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| EPEutropics Pharmaceuticals, INC. | Cambridge | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| IBIpsen Bioscience, INC. | Cambridge | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
 Kurita America INC | Cambridge | MN | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| LILaronde INC | Cambridge | MA | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| NANational Automotive Chemical, Incorporated | Cambridge | OH | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| OTOmega Therapeutics INC | Cambridge | MA | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| OTOmega Therapeutics INC | Cambridge | MA | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| PIPfizer INC | Cambridge | MA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| PCPlastic Compounders, INC. | Cambridge | OH | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| PCPolaroid Corporation | Cambridge | MA | Chemical Manufacturing325992 | — | ◇ UNVERIFIED |
| QIQuadratic3d INC | Cambridge | MA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| RTRenagade Therapeutics Management INC | Cambridge | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| RTRubius Therapeutics | Cambridge | MA | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| RTRubius Therapeutics | Cambridge | MA | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| SShire | Cambridge | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| SPSyros Pharmaceuticals | Cambridge | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| VTVoyager Therapeutics 75 | Cambridge | MA | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| WCWaveguide Corporation | Cambridge | MA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
