| ASAmerican Science & Engineering | Billerica | MA | Computer and Electronic Product Manufacturing334517 | — | ◐ LIKELY ACTIVE |
| MLMicrosemi Lawrence | Lawrence | MA | Fabricated Metal Product Manufacturing332510 | — | ◐ LIKELY ACTIVE |
| SSSkyworks Solutions INC | Woburn | MA | Computer and Electronic Product Manufacturing334411 | 100-499 | ◐ LIKELY ACTIVE |
Star Engineering INC | Attleboro Falls | MA | Computer and Electronic Product Manufacturing334418 | — | ◐ LIKELY ACTIVE |
| WCWaters Corporation | Milford, Town of | MA | Computer and Electronic Product Manufacturing334516 | — | ◐ LIKELY ACTIVE |
Worthington Assembly, INC. | South Deerfield | MA | Computer and Electronic Product Manufacturing334418 | — | ◐ LIKELY ACTIVE |
Acoustic Technology, INC. | East Boston | MA | Computer and Electronic Product Manufacturing334290 | — | ◐ LIKELY ACTIVE |
| AWAlpha Wire | Leominster | MA | Computer and Electronic Product Manufacturing334290 | — | ◐ LIKELY ACTIVE |
Barbour Stockwell, INC. | Woburn | MA | Computer and Electronic Product Manufacturing334513 | — | ◐ LIKELY ACTIVE |
| BIBarry Industries | Attleboro | MA | Computer and Electronic Product Manufacturing334416 | 20-99 | ◐ LIKELY ACTIVE |
| CTCenterline Technologies LLC | Hudson | MA | Computer and Electronic Product Manufacturing334413 | 20-99 | ◐ LIKELY ACTIVE |
| CRCpi Radant Technologies Division INC | Hudson | MA | Computer and Electronic Product Manufacturing334220 | — | ◐ LIKELY ACTIVE |
| ETExcelitas Technologies | Billerica | MA | Computer and Electronic Product Manufacturing334413 | 100-499 | ◐ LIKELY ACTIVE |
| FMFluid Management Systems, INC. | Billerica | MA | Computer and Electronic Product Manufacturing334516 | — | ◐ LIKELY ACTIVE |
Kopin CORP | Westborough | MA | Computer and Electronic Product Manufacturing334413 | — | ◐ LIKELY ACTIVE |
| TITekscan INC | Norwood | MA | Computer and Electronic Product Manufacturing334419 | — | ◐ LIKELY ACTIVE |
United Electric Controls Company | Watertown | MA | Computer and Electronic Product Manufacturing334513 | 100-499 | ◐ LIKELY ACTIVE |
| VCVicor CORP | Andover | MA | Computer and Electronic Product Manufacturing334419 | — | ◐ LIKELY ACTIVE |
Williamson Corporation | Concord | MA | Computer and Electronic Product Manufacturing334513 | — | ◐ LIKELY ACTIVE |
| MAMc Assembly | Billerica | MA | Computer and Electronic Product Manufacturing334418 | — | ◐ LIKELY ACTIVE |
Ametek Arizona Instrument LLC | Middleboro | MA | Computer and Electronic Product Manufacturing334516 | — | ◐ LIKELY ACTIVE |
Angstrom Sun Technologies INC | Acton | MA | Computer and Electronic Product Manufacturing334516 | — | ◐ LIKELY ACTIVE |
Antec (usa), LLC | Boston | MA | Computer and Electronic Product Manufacturing334516 | — | ◐ LIKELY ACTIVE |
Aucoin Telecom & Utility Construction LLC | Chelmsford | MA | Computer and Electronic Product Manufacturing334111 | — | ◐ LIKELY ACTIVE |
Aved Electronics, LLC | North Billerica | MA | Computer and Electronic Product Manufacturing334419 | — | ◐ LIKELY ACTIVE |
Bluefusion INC. | Natick | MA | Computer and Electronic Product Manufacturing334511 | — | ◐ LIKELY ACTIVE |
| CICalmetrix INC | Needham Heights | MA | Computer and Electronic Product Manufacturing334516 | — | ◐ LIKELY ACTIVE |
Copious Imaging LLC | Lexington | MA | Computer and Electronic Product Manufacturing334511 | — | ◐ LIKELY ACTIVE |
Gelsight, INC. | Waltham | MA | Computer and Electronic Product Manufacturing334519 | — | ◐ LIKELY ACTIVE |
Glass Expansion, INC. | Pocasset | MA | Computer and Electronic Product Manufacturing334516 | — | ◐ LIKELY ACTIVE |
Greene Lyon Group INC | Beverly | MA | Computer and Electronic Product Manufacturing334413 | — | ◐ LIKELY ACTIVE |
Industrial Computing Products INC | Waltham | MA | Computer and Electronic Product Manufacturing334118 | — | ◐ LIKELY ACTIVE |
Industrial Video & Control CO LLC | Newton | MA | Computer and Electronic Product Manufacturing334290 | — | ◐ LIKELY ACTIVE |
Innovations in Optics, INC | Woburn | MA | Computer and Electronic Product Manufacturing334419 | — | ◐ LIKELY ACTIVE |
| ISIzon Science US LLC | Medford | MA | Computer and Electronic Product Manufacturing334516 | — | ◐ LIKELY ACTIVE |
Jowa USA INC | Littleton | MA | Computer and Electronic Product Manufacturing334513 | — | ◐ LIKELY ACTIVE |
Kennetron INC | East Taunton | MA | Computer and Electronic Product Manufacturing334419 | — | ◐ LIKELY ACTIVE |
Kinetic Systems INC | Roslindale | MA | Computer and Electronic Product Manufacturing334516 | — | ◐ LIKELY ACTIVE |
| KTKolmar Technologies, INC. | Newburyport | MA | Computer and Electronic Product Manufacturing334516 | — | ◐ LIKELY ACTIVE |
Labtech, INC | Hopkinton | MA | Computer and Electronic Product Manufacturing334516 | — | ◐ LIKELY ACTIVE |
Lytechip INC. | Newton | MA | Computer and Electronic Product Manufacturing334516 | — | ◐ LIKELY ACTIVE |
| OWOrion Wave Technology Corporation | Arlington | MA | Computer and Electronic Product Manufacturing334220 | — | ◐ LIKELY ACTIVE |
Piconics, INC. | Tyngsboro | MA | Computer and Electronic Product Manufacturing334416 | — | ◐ LIKELY ACTIVE |
Precise Time & Frequency, LLC | Wakefield | MA | Computer and Electronic Product Manufacturing334515 | — | ◐ LIKELY ACTIVE |
Setra Systems, INC. | Boxborough | MA | Computer and Electronic Product Manufacturing334513 | — | ◐ LIKELY ACTIVE |
Sifos Technologies INC | Andover | MA | Computer and Electronic Product Manufacturing334515 | — | ◐ LIKELY ACTIVE |
Signal Communications CORP | Woburn | MA | Computer and Electronic Product Manufacturing334290 | — | ◐ LIKELY ACTIVE |
Tabc Group, LLC | Seekonk | MA | Computer and Electronic Product Manufacturing334515 | — | ◐ LIKELY ACTIVE |
Thrive Bioscience INC | Beverly | MA | Computer and Electronic Product Manufacturing334516 | — | ◐ LIKELY ACTIVE |
Transcon Technologies, LLC | Westfield | MA | Computer and Electronic Product Manufacturing334416 | — | ◐ LIKELY ACTIVE |