| ECEastern Casting CO | Cambridge | NY | Primary Metal Manufacturing331524 | 1-19 | ◇ UNVERIFIED |
| HCHyperion Catalysis INC | Cambridge | MA | Chemical Manufacturing325180 | 20-99 | ◇ UNVERIFIED |
| MIMorcon INC | Cambridge | NY | Paper Manufacturing322299 | — | ◇ UNVERIFIED |
| 9F97018 - Fox Engineering LLC | Cambridge | MN | Fabricated Metal Product Manufacturing332710 | 1-19 | ◇ UNVERIFIED |
| ACAirpax CORP. | Cambridge | MD | Computer and Electronic Product Manufacturing334000 | — | ◇ UNVERIFIED |
| 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 |
| CRCentral Ready Mix Cambridge Plant | Cambridge | MD | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ 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 |
| ITIntercoastal Trading INC | Cambridge | MD | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| KLKennedy Lofts | Cambridge | MA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| MPMillennium Pharmaceuticals INC | Cambridge | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| MTModerna Therapeutics | Cambridge | MA | Chemical Manufacturing325413 | — | ◇ UNVERIFIED |
| NANls Asphalt, INC. - Plant #4 | Cambridge | OH | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| OIOptiblend Industries-cambridge | Cambridge | OH | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| PMPackaging Materials, INC. | Cambridge | OH | Plastics and Rubber Products Manufacturing326111 | — | ◇ UNVERIFIED |
| PRPfizer Research | Cambridge | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| PCPolaroid CORP | Cambridge | MA | Chemical Manufacturing325992 | — | ◇ UNVERIFIED |
| RKRb Kendall Fee LLC | Cambridge | MA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| RURegina USA INC | Cambridge | MD | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| SPShire Pharmaceuticals | Cambridge | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| SHShore Holdings INC Dba Choptank Engines | Cambridge | MD | Transportation Equipment Manufacturing336310 | — | ◇ UNVERIFIED |
| SCSmith Concrete Cambridge 05452 | Cambridge | OH | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| WRWyeth Research | Cambridge | MA | Computer and Electronic Product Manufacturing334516 | — | ◇ UNVERIFIED |
| 9V92502 - Vision Machine INC | Cambridge | MN | Fabricated Metal Product Manufacturing332710 | 1-19 | ◇ UNVERIFIED |
| 9V96525 - Vanpro INC | Cambridge | MN | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| BEBaby Elephant Ears, Inc. | Cambridge | MN | Apparel Manufacturing315990 | 1-19 | ◇ UNVERIFIED |
| CPCambridge Pattern Works | Cambridge | IL | Primary Metal Manufacturing331111 | 1-19 | ◇ UNVERIFIED |
| CJClayton, J.m. Company | Cambridge | MD | Food Manufacturing311712 | 20-99 | ◇ UNVERIFIED |
| CTCyclerion Therapeutics INC | Cambridge | MA | Chemical Manufacturing325412 | 20-99 | ◇ UNVERIFIED |
| GMGilcher Machine, LLC | Cambridge | OH | Fabricated Metal Product Manufacturing332710 | 1-19 | ◇ UNVERIFIED |
| MGMosser Glass | Cambridge | OH | Nonmetallic Mineral Product Manufacturing327212 | 20-99 | ◇ UNVERIFIED |
| WCWaveguide Corporation | Cambridge | MA | Chemical Manufacturing325998 | 1-19 | ◇ UNVERIFIED |
| 9L92248 - Lares Corporation | Cambridge | MN | Transportation Equipment Manufacturing336330 | — | ◇ UNVERIFIED |
| 9M94894 - Motek-team Industries INC | Cambridge | MN | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| 9S96332 - Scma INC | Cambridge | MN | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| 9V96526 - Vanpro INC | Cambridge | MN | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| AAddgene | Cambridge | MA | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| ACAdvanced Centrifugals | Cambridge | WI | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| ACAdvanced Centrifugals LTD | Cambridge | WI | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| AIAlkermes INC | Cambridge | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| APAlnylam Pharmaceuticals INC | Cambridge | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
 Applied Biosystems INC | Cambridge | MA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
