Behlke Power Electronics LLC | Billerica | MA | Electrical Equipment, Appliance & Component Manufacturing335999 | — | ● ACTIVE |
| BIBelmont Instrument LLC | Billerica | MA | Miscellaneous Manufacturing339112 | — | ● ACTIVE |
Benchmark Technologies, INC | Lynnfield | MA | Chemical Manufacturing325992 | — | ● ACTIVE |
| BGBendon Gear and Machine, INC | Rockland | MA | Fabricated Metal Product Manufacturing332710 | 20-99 | ● ACTIVE |
Berkshire Blanket & Home CO INC | Worcester | MA | Textile Product Mills314120 | — | ● ACTIVE |
| BFBertolino Foods | Peabody | MA | Food Manufacturing311612 | 100-499 | ● ACTIVE |
| BDBeta Dyne, INC. | Bridgewater | MA | Computer and Electronic Product Manufacturing334418 | — | ● ACTIVE |
| BABiophysics Assay Laboratory, INC. | Worcester | MA | Chemical Manufacturing325413 | — | ● ACTIVE |
Biophysics Pharma INC | Peabody | MA | Chemical Manufacturing325412 | — | ● ACTIVE |
Birns Aquamate LLC | Acushnet | MA | Electrical Equipment, Appliance & Component Manufacturing335931 | — | ● ACTIVE |
Bitflow INC. | Woburn | MA | Computer and Electronic Product Manufacturing334111 | — | ● ACTIVE |
Bk Medical Holding Company, INC. | Burlington | MA | Electrical Equipment, Appliance & Component Manufacturing335999 | — | ● ACTIVE |
Black Bay Ventures Vi, LLC | Palmer | MA | Primary Metal Manufacturing331524 | — | ● ACTIVE |
Blackburn Energy INC | Rowley | MA | Transportation Equipment Manufacturing336320 | — | ● ACTIVE |
Blauer Manufacturing Co., INC. | Boston | MA | Apparel Manufacturing315250 | — | ● ACTIVE |
Bloomer Health Tech INC | Boston | MA | Computer and Electronic Product Manufacturing334510 | — | ● ACTIVE |
Blueiq LLC | Harvard | MA | Computer and Electronic Product Manufacturing334511 | — | ● ACTIVE |
Bluetron, LLC | Attleboro | MA | Computer and Electronic Product Manufacturing334419 | — | ● ACTIVE |
Blue Water Autonomy, INC. | Lexington | MA | Transportation Equipment Manufacturing336611 | — | ● ACTIVE |
Bob Johnson Associates INC | Leominster | MA | Fabricated Metal Product Manufacturing332999 | — | ● ACTIVE |
Boca Scientific INC | Dedham | MA | Chemical Manufacturing325414 | — | ● ACTIVE |
Boniface Tool & Die INC | Dudley | MA | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
Boston Artificial Limb CO | Burlington | MA | Miscellaneous Manufacturing339113 | — | ● ACTIVE |
Boston Ballistic Technologies LLC | Marshfield | MA | Machinery Manufacturing333310 | — | ● ACTIVE |
Boston Business Printing, INC. | Boston | MA | Printing and Related Support Activities323111 | — | ● ACTIVE |
Boston Cell Standards INC. | Sharon | MA | Chemical Manufacturing325413 | — | ● ACTIVE |
Boston Cryogenics LLC | Billerica | MA | Machinery Manufacturing333415 | — | ● ACTIVE |
Boston Electrometallurgical CORP | Woburn | MA | Primary Metal Manufacturing331492 | — | ● ACTIVE |
Boston Fluid Systems, INC. | Wilmington | MA | Fabricated Metal Product Manufacturing332919 | — | ● ACTIVE |
Boston Foundation for Sight, Inc., the | Needham Heights | MA | Miscellaneous Manufacturing339115 | — | ● ACTIVE |
Boston Micromachines Corporation | Cambridge | MA | Machinery Manufacturing333310 | — | ● ACTIVE |
Boston Plastics Manufacturing INC | North Andover | MA | Plastics and Rubber Products Manufacturing326199 | — | ● ACTIVE |
Boston Scientific Waltham | Watham | MA | Miscellaneous Manufacturing339112 | 100-499 | ● ACTIVE |
Boston Semi Equipment LLC | Littleton | MA | Computer and Electronic Product Manufacturing334413 | — | ● ACTIVE |
Boston Textile Co., INC. | Quincy | MA | Textile Product Mills314120 | — | ● ACTIVE |
Boulevard Machine & Gear, INC. | Westfield | MA | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
Boxboro Systems LLC | Boxborough | MA | Computer and Electronic Product Manufacturing334519 | — | ● ACTIVE |
Boyd Corporation (woburn) INC | Woburn | MA | Fabricated Metal Product Manufacturing332410 | — | ● ACTIVE |
Brennan Machine Co., INC. | Hanson | MA | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
Bridge 12 Technologies, INC. | Natick | MA | Computer and Electronic Product Manufacturing334419 | — | ● ACTIVE |
Bright Star Engineering, INC. | Andover | MA | Computer and Electronic Product Manufacturing334111 | — | ● ACTIVE |
Brilliant Graphics Group LLC | Pittsfield | MA | Printing and Related Support Activities323111 | — | ● ACTIVE |
Bristol Precision, INC. | Marlborough | MA | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
Brixton Biosciences INC | Cambridge | MA | Miscellaneous Manufacturing339112 | — | ● ACTIVE |
Brockton Electro-optics CORP. | Bridgewater | MA | Computer and Electronic Product Manufacturing334519 | — | ● ACTIVE |
| BMBrockton, MA | Brockton | MA | Food Manufacturing311412 | 100-499 | ● ACTIVE |
Broco Oil INC | Haverhill | MA | Petroleum and Coal Products Manufacturing324110 | — | ● ACTIVE |
Brooks Industrial, LLC | North Attleboro | MA | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
Brownmed, INC. | Auburndale | MA | Miscellaneous Manufacturing339113 | — | ● ACTIVE |
Buckley Systems International, LTD. | Rowley | MA | Machinery Manufacturing333242 | — | ● ACTIVE |