| BIBiogen Idec | Cambridge | MA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| EPEpix Pharmaceuticals | Cambridge | MA | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
| APAlnylam Pharmaceutals | Cambridge | MA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| AEAmerican Engineered Components INC | Cambridge | MA | Fabricated Metal Product Manufacturing332722 | — | ◇ UNVERIFIED |
| ADAnalog Devices | Cambridge | MA | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| CBCambridge Brands, Inc., a Subsidiary of Tootsie Roll Industries, INC. | Cambridge | MA | Food Manufacturing311330 | — | ◇ UNVERIFIED |
| CRCambridge Rindge & Latin High School | Cambridge | MA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| EIE Ink Corporation | Cambridge | MA | Chemical Manufacturing325910 | — | ◇ UNVERIFIED |
| GAGcp Applied Technologies INC. | Cambridge | MA | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| HCHaviland Candy | Cambridge | MA | Food Manufacturing311340 | — | ◇ UNVERIFIED |
| IPIdenix Pharmaceuticals INC | Cambridge | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| IBIggys Bread of the World | Cambridge | MA | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| KLKennedy Lofts | Cambridge | MA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| MPMillennium Pharmaceuticals INC | Cambridge | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| MTModerna Therapeutics | Cambridge | MA | Chemical Manufacturing325413 | — | ◇ UNVERIFIED |
| PRPfizer Research | Cambridge | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| PCPolaroid CORP | Cambridge | MA | Chemical Manufacturing325992 | — | ◇ UNVERIFIED |
| RKRb Kendall Fee LLC | Cambridge | MA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| SPShire Pharmaceuticals | Cambridge | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| WRWyeth Research | Cambridge | MA | Computer and Electronic Product Manufacturing334516 | — | ◇ UNVERIFIED |
| AHAccure Health INC | Cambridge | MA | Computer and Electronic Product Manufacturing334516 | — | ◐ LIKELY ACTIVE |
| APAlnylam Pharmaceuticals, INC. | Cambridge | MA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| ACArtifact Cider Project | Cambridge | MA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| BMBeone Medicines Usa, INC. | Cambridge | MA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| BMBlueprint Medicines Corporation | Cambridge | MA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| BNBms Nat | Cambridge | MA | Computer and Electronic Product Manufacturing334516 | 1-19 | ◐ LIKELY ACTIVE |
| DBDrosera Biotechnologies, INC. | Cambridge | MA | Computer and Electronic Product Manufacturing334516 | — | ◐ LIKELY ACTIVE |
| EIEnumage INC. | Cambridge | MA | Computer and Electronic Product Manufacturing334510 | — | ◐ LIKELY ACTIVE |
| GVGe Vernova International, LLC | Cambridge | MA | Machinery Manufacturing333611 | — | ◐ LIKELY ACTIVE |
| KSKairox Systems INC. | Cambridge | MA | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| KEKgim Enterprises LLC | Cambridge | MA | Wood Product Manufacturing321999 | — | ◐ LIKELY ACTIVE |
| LBLamplighter Brewing Co., LLC | Cambridge | MA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LLLazarus LLC | Cambridge | MA | Computer and Electronic Product Manufacturing334511 | — | ◐ LIKELY ACTIVE |
| LTLilium Therapeutics INC. | Cambridge | MA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| MTMetaphos Technology, INC. | Cambridge | MA | Computer and Electronic Product Manufacturing334413 | — | ◐ LIKELY ACTIVE |
| MTModerna, TX. - Cambridge MSC | Cambridge | MA | Chemical Manufacturing325414 | 500+ | ◐ LIKELY ACTIVE |
| NINotch INC. | Cambridge | MA | Computer and Electronic Product Manufacturing334220 | — | ◐ LIKELY ACTIVE |
| NINuvalent, INC. | Cambridge | MA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| PRPhilips Rs North America LLC | Cambridge | MA | Computer and Electronic Product Manufacturing334510 | — | ◐ LIKELY ACTIVE |
| SMSMMA/Symmes Maini & McKee Associates, Inc. | Cambridge | MA | Machinery Manufacturing333618 | 100-499 | ◐ LIKELY ACTIVE |
| TUTakeda: USA Field Sales & Remote Employees | Cambridge | MA | Chemical Manufacturing325412 | 500+ | ◐ LIKELY ACTIVE |
| VIVizgen, Inc. (Cambridge) | Cambridge | MA | Machinery Manufacturing333310 | 20-99 | ◐ LIKELY ACTIVE |
| VIVolatylix INC | Cambridge | MA | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
| STSurface Transfer, INC. | Cambridge | MA | Fabricated Metal Product Manufacturing332410 | — | ◐ LIKELY ACTIVE |
| CTCyclerion Therapeutics INC | Cambridge | MA | Chemical Manufacturing325412 | 20-99 | ◇ UNVERIFIED |
| WCWaveguide Corporation | Cambridge | MA | Chemical Manufacturing325998 | 1-19 | ◇ UNVERIFIED |
| AAddgene | Cambridge | MA | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| AIAlkermes INC | Cambridge | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| APAlnylam Pharmaceuticals INC | Cambridge | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
Applied Biosystems INC | Cambridge | MA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |