| APArmstrong Pharmaceuticals INC | Boston, City of | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| AWArmstrong World Industries INC | Braintree | MA | Chemical Manufacturing325413 | — | ◇ UNVERIFIED |
| AIArrow International | Everett | MA | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| ABArthur Blank & CO INC | Boston | MA | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| AIArtisan Industries Incorporated | Waltham | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| AFAshburnham Finishing | Ashburnham | MA | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
 Associated Environmental Systems | Chelmsford | MA | Printing and Related Support Activities323117 | — | ◇ UNVERIFIED |
| AOAssociates of Cape Cod INC | Falmouth | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| ASA Stone Professionals Marble & Granite, INC. | Haverhill | MA | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◇ UNVERIFIED |
| AAstrazeneca | Westborough | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| ATAthol Table Manufacturing | Athol | MA | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
| ABAtlantic Boats, INC. | Wareham | MA | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| AFAtlantic Furniture INC | Greenfield | MA | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| AGAtlantic Graphic Svc INC | Clinton | MA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| ASAtlas Screw and Specialty | New Bedford | MA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| AFAt&t Fairhaven | Fairhaven | MA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| AMAuburn Mall | Auburn | MA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| AFAutomated Finishing | Attleboro | MA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| AMAutomatic Machine Products | Attleboro | MA | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| AEAvaya Enterprise Communications Systems | Billerica | MA | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| ADAvery Dennison CORP | Holyoke | MA | Printing and Related Support Activities323118 | — | ◇ UNVERIFIED |
| ADAvery Dennison Corporation | Chicopee | MA | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| ADAvery Dennison Ibmd | Framingham | MA | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| APAvista Pharma Solutions | Agawam | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| ACAvon Custom Mixing Service | Holbrook | MA | Plastics and Rubber Products Manufacturing326299 | — | ◇ UNVERIFIED |
| ATAvon Tape INC | Avon | MA | Textile Mills313320 | — | ◇ UNVERIFIED |
| AIAwelco INC | North Attleboro | MA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| BFBacon Felt Company INC | Taunton | MA | Textile Mills313311 | — | ◇ UNVERIFIED |
| BEBae Electronics & Integrated Solutions | Lexington | MA | Chemical Manufacturing325992 | — | ◇ UNVERIFIED |
| BBBagel Boy INC | Lawrence, City of | MA | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| BJBake'n Joy Foods | North Andover | MA | Food Manufacturing311813 | — | ◇ UNVERIFIED |
| BSBarker Steel LLC | South Deerfield | MA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| BABarr Associates | Tyngsboro | MA | Machinery Manufacturing333310 | — | ◇ UNVERIFIED |
| BCBarry Controls | Brighton | MA | Plastics and Rubber Products Manufacturing326291 | — | ◇ UNVERIFIED |
| BCBasf Catalysts | Plainville | MA | Primary Metal Manufacturing331419 | — | ◇ UNVERIFIED |
| BGBattenfeld Gloucester Engineering | Gloucester | MA | Machinery Manufacturing333248 | — | ◇ UNVERIFIED |
| BCBayer CORP Plastics Tech | Springfield | MA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| BHBayer Healthcare LLC | Medfield | MA | Chemical Manufacturing325413 | — | ◇ UNVERIFIED |
| BMBayer Material Science LLC | Whately | MA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| BSBay State Circuits | Millbury | MA | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| BSBay State Galvanizing | Everett | MA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| BSBay State Paper | Boston (hyde Park) | MA | Paper Manufacturing322130 | — | ◇ UNVERIFIED |
| BIBc Industries | Oxford | MA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| BDBecton Dickinson & CO Acutecare | Waltham | MA | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| BDBecton Dickinson Labware | Bedford | MA | Chemical Manufacturing325413 | — | ◇ UNVERIFIED |
| BCBelcher (advanced Cast Products) | Easton | MA | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| BSBemis Seam Tape Div (ayer Road) | Shirley | MA | Textile Mills313320 | — | ◇ UNVERIFIED |
| BBBenea Block Corporation | Kingston | MA | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| BIBerkshire Industries | Westfield | MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| BTB&e Tool Company INC | Westfield | MA | Transportation Equipment Manufacturing336412 | — | ◇ UNVERIFIED |
