| ALAviva Labs, Inc. | Wilmington | MA | Chemical Manufacturing325411 | 1-19 | ◐ LIKELY ACTIVE |
| BCBerkshire Corporation | Great Barrington | MA | Chemical Manufacturing325612 | 100-499 | ◐ LIKELY ACTIVE |
| BIBlank Industries LLC | Hudson | MA | Chemical Manufacturing325998 | 20-99 | ◐ LIKELY ACTIVE |
| DIDuromar INC | Pembroke | MA | Chemical Manufacturing325510 | 1-19 | ◐ LIKELY ACTIVE |
| FDF & D Plastics INC | Leominster | MA | Chemical Manufacturing325991 | 1-19 | ◐ LIKELY ACTIVE |
| MOMural Oncology INC | Waltham | MA | Chemical Manufacturing325412 | 100-499 | ◐ LIKELY ACTIVE |
| NSNext-gen Supply Group INC | Mansfield | MA | Chemical Manufacturing325611 | 20-99 | ◐ LIKELY ACTIVE |
| PIPilgrim Innovative Plastics LLC | Plymouth | MA | Chemical Manufacturing325211 | 1-19 | ◐ LIKELY ACTIVE |
| PDPlastic Design, INC. | N Chelmsford | MA | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| SCSavogran Company | Norwood | MA | Chemical Manufacturing325510 | 1-19 | ◐ LIKELY ACTIVE |
| TPTropical Products, Inc. | Salem | MA | Chemical Manufacturing325998 | 1-19 | ◐ LIKELY ACTIVE |
| CCChemco CORP | Lawrence | MA | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| DPDurant Performance Coatings INC | Revere | MA | Chemical Manufacturing325510 | 1-19 | ◇ UNVERIFIED |
| HCHyperion Catalysis INC | Cambridge | MA | Chemical Manufacturing325180 | 20-99 | ◇ UNVERIFIED |
| IIIndusol INC | Sutton | MA | Chemical Manufacturing325211 | 1-19 | ◇ UNVERIFIED |
| OLOraceutical LLC | Lee | MA | Chemical Manufacturing325412 | 1-19 | ◇ UNVERIFIED |
| PIPerma INC | Bedford | MA | Chemical Manufacturing325611 | 1-19 | ◇ UNVERIFIED |
| PDPhoto Detection Systems INC | Boxborough | MA | Chemical Manufacturing325413 | 20-99 | ◇ UNVERIFIED |
| PPPittsfield Plastics Engineering LLC | Pittsfield | MA | Chemical Manufacturing325211 | 100-499 | ◇ UNVERIFIED |
| SESaeilo Enterprises | Worcester | MA | Chemical Manufacturing325412 | 20-99 | ◇ UNVERIFIED |
| ADAdvanced Drainage System | Ludlow | MA | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| AIAlkermes, INC. | Waltham | MA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| ACAlpha Chemical Services, INC. | Stoughton | MA | Chemical Manufacturing325611 | 20-99 | ◐ LIKELY ACTIVE |
| APArmstrong Pharmaceuticals INC | Canton | MA | Chemical Manufacturing325412 | 100-499 | ◐ LIKELY ACTIVE |
| ABArranta Bio Ma LLC | Watertown | MA | Chemical Manufacturing325414 | — | ◐ LIKELY ACTIVE |
| AEAscend Elements, INC. | Westborough | MA | Chemical Manufacturing325180 | — | ◐ LIKELY ACTIVE |
| APAst Products, INC | Billerica | MA | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| BBostomatic | Milford | MA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| CICabot Inkjet Colorants | Haverhill | MA | Chemical Manufacturing325910 | — | ◐ LIKELY ACTIVE |
| CCCamger Coatings Systems, Inc. | Norfolk | MA | Chemical Manufacturing325510 | 20-99 | ◐ LIKELY ACTIVE |
| CMCannatech Medicinals Innovation | Assonet | MA | Chemical Manufacturing325411 | — | ◐ LIKELY ACTIVE |
| CMCatalent Massachusetts LLC | Chelsea | MA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| CLCitra Labs (zimmer-biomet Co.) | Braintree | MA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| CLCresco Labs | Fall River | MA | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
| CMCuria Massachusetts INC | Burlington | MA | Chemical Manufacturing325412 | 20-99 | ◐ LIKELY ACTIVE |
| ECEarthsafe Chemical Alternatives | Braintree | MA | Chemical Manufacturing325188 | — | ◐ LIKELY ACTIVE |
| EEyePoint | Watertown | MA | Chemical Manufacturing325412 | 100-499 | ◐ LIKELY ACTIVE |
| FSFagron Sterile Services Boston | Canton | MA | Chemical Manufacturing325412 | 100-499 | ◐ LIKELY ACTIVE |
| GMGenezen MA, Inc | Lexington | MA | Chemical Manufacturing325414 | 100-499 | ◐ LIKELY ACTIVE |
| GGenzyme | Framingham | MA | Chemical Manufacturing325411 | 500+ | ◐ LIKELY ACTIVE |
| GPG&f Precision Molding Danvers | Danvers | MA | Chemical Manufacturing325212 | 20-99 | ◐ LIKELY ACTIVE |
| GIGlyptal INC | Chelsea | MA | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| HTHigh Technology INC | Attleboro Falls | MA | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
| IIImmunogen INC | Waltham | MA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| IPInvaGen Pharmaceutical Inc. Unit 4 | Fall River | MA | Chemical Manufacturing325412 | 20-99 | ◐ LIKELY ACTIVE |
| KIKellsport Industries, INC | Fall River | MA | Chemical Manufacturing325998 | 1-19 | ◐ LIKELY ACTIVE |
| LPLiving Proof | Boston | MA | Chemical Manufacturing325611 | — | ◐ LIKELY ACTIVE |
| MAMa53 Ametek Aerospace Products | Wilmington | MA | Chemical Manufacturing325992 | 20-99 | ◐ LIKELY ACTIVE |
| OCOlin Chemical Site | Wilmington | MA | Chemical Manufacturing325188 | — | ◐ LIKELY ACTIVE |
| ONOrganogenesis - Norwood | Norwood | MA | Chemical Manufacturing325414 | 20-99 | ◐ LIKELY ACTIVE |