| RWRpm Wood Finishes Group INC | Westfield | MA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| SSSartorius Stedim 450 Dlb | Marlborough | MA | Chemical Manufacturing325220 | — | ◇ UNVERIFIED |
| TATeknor Apex Thermoplastic | Leominster | MA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| TCTurf Care Supply CORP | Hatfield | MA | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| WTWaters Technology Corporation | Taunton | MA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
Effervescence Dx LLC | Wayland | MA | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
Eturnum Biotechnologies, LLC | Cambridge | MA | Chemical Manufacturing325411 | — | ◐ LIKELY ACTIVE |
| CCChemco CORP | Lawrence | MA | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| AIAbcam INC | Waltham | MA | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
| ADAdvanced Drainage System | Ludlow | MA | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| AIAlkermes, INC. | Waltham | MA | Chemical Manufacturing325412 | — | ◐ 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 |
| AWA W Chesterton CO | Groveland | MA | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| BABemis Associates INC | Shirley | MA | Chemical Manufacturing325520 | 100-499 | ◐ LIKELY ACTIVE |
| BBostomatic | Milford | MA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| CICabot Inkjet Colorants | Haverhill | MA | Chemical Manufacturing325910 | — | ◐ LIKELY ACTIVE |
| CMCannatech Medicinals Innovation | Assonet | MA | Chemical Manufacturing325411 | — | ◐ LIKELY ACTIVE |
| CMCatalent Massachusetts LLC | Chelsea | MA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| CPCheer Pack North America | West Bridgewater | MA | Chemical Manufacturing325211 | 100-499 | ◐ LIKELY ACTIVE |
| CCChemgenes Corporation | Wilmington | MA | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| CLC. L. Hauthaway & Sons Corporation | Lynn | MA | Chemical Manufacturing325211 | 20-99 | ◐ 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 |
| EBEmergent Biosolutions | Canton | MA | Chemical Manufacturing325414 | — | ◐ LIKELY ACTIVE |
| EEyePoint | Watertown | MA | Chemical Manufacturing325412 | 100-499 | ◐ LIKELY ACTIVE |
| FSFagron Sterile Services Boston | Canton | MA | Chemical Manufacturing325412 | 100-499 | ◐ LIKELY ACTIVE |
| FLFirst Light Diagnostics, INC. | Chelmsford | MA | Chemical Manufacturing325413 | — | ◐ 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 |
| LPLiving Proof | Boston | MA | Chemical Manufacturing325611 | — | ◐ LIKELY ACTIVE |
| LLLyne Laboratory | Brockton | MA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| MAMa53 Ametek Aerospace Products | Wilmington | MA | Chemical Manufacturing325992 | 20-99 | ◐ LIKELY ACTIVE |
| NENew England Biolabs, INC. | Ipswich | MA | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| OFOligo Factory INC | Holliston | MA | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| OCOlin Chemical Site | Wilmington | MA | Chemical Manufacturing325188 | — | ◐ LIKELY ACTIVE |
| ONOrganogenesis - Norwood | Norwood | MA | Chemical Manufacturing325414 | 20-99 | ◐ LIKELY ACTIVE |
| RCRepligen Corporation | Waltham | MA | Chemical Manufacturing325414 | — | ◐ LIKELY ACTIVE |
| SPSanofi Pasteur Acambis Campus | Canton | MA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| SHShire Human Genetic Therapies, INC. | Lexington | MA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| TFThermo Fisher Scientific | Bedford | MA | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| UPUS Pack | Leominster | MA | Chemical Manufacturing325998 | 20-99 | ◐ LIKELY ACTIVE |
| VLVeranova LP | Fort Devens | MA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |