| CCCognex CORP | Natick | MA | Computer and Electronic Product Manufacturing334513 | — | ◐ LIKELY ACTIVE |
| CWCoherent Woburn | Woburn | MA | Computer and Electronic Product Manufacturing334413 | 1-19 | ◐ LIKELY ACTIVE |
| CLComfortray LLC | Somerville | MA | Computer and Electronic Product Manufacturing334517 | — | ◐ LIKELY ACTIVE |
ComSonics, Inc. (Shine Wire) | Adams | MA | Computer and Electronic Product Manufacturing334419 | 20-99 | ◐ LIKELY ACTIVE |
| CSCool Steven | Reading | MA | Computer and Electronic Product Manufacturing334519 | — | ◐ LIKELY ACTIVE |
| CDCourtsmart Digital Systems, INC. | North Chelmsford | MA | Computer and Electronic Product Manufacturing334310 | — | ◐ LIKELY ACTIVE |
| CECrestron Electronics - Boston, MA | Boston | MA | Computer and Electronic Product Manufacturing334310 | 1-19 | ◐ LIKELY ACTIVE |
David Clark Company Incorporated | Worcester | MA | Computer and Electronic Product Manufacturing334290 | — | ◐ LIKELY ACTIVE |
| DBDrosera Biotechnologies, INC. | Cambridge | MA | Computer and Electronic Product Manufacturing334516 | — | ◐ LIKELY ACTIVE |
| EIEdgetech Instruments, INC. | Hudson | MA | Computer and Electronic Product Manufacturing334513 | — | ◐ LIKELY ACTIVE |
| EIE Ink - South Hadley | South Hadley | MA | Computer and Electronic Product Manufacturing334419 | 100-499 | ◐ LIKELY ACTIVE |
| EIEnumage INC. | Cambridge | MA | Computer and Electronic Product Manufacturing334510 | — | ◐ LIKELY ACTIVE |
| EEwhmib | North Andover | MA | Computer and Electronic Product Manufacturing334419 | 20-99 | ◐ LIKELY ACTIVE |
| ELExclaimer LLC | Boston | MA | Computer and Electronic Product Manufacturing334614 | 20-99 | ◐ LIKELY ACTIVE |
Extropic CORP. | Waltham | MA | Computer and Electronic Product Manufacturing334413 | — | ◐ LIKELY ACTIVE |
| FMFramingham, MA | Marlborough | MA | Computer and Electronic Product Manufacturing334516 | 500+ | ◐ LIKELY ACTIVE |
| F5Franklin 50 | Franklin | MA | Computer and Electronic Product Manufacturing334112 | 500+ | ◐ LIKELY ACTIVE |
| FUFresenius Usa, INC | Waltham | MA | Computer and Electronic Product Manufacturing334510 | — | ◐ LIKELY ACTIVE |
| GDGeneral Dynamics Mission Systems, INC. | Dedham | MA | Computer and Electronic Product Manufacturing334220 | — | ◐ LIKELY ACTIVE |
| GDGeneral Dynamics Mission Systems, INC. | Pittsfield | MA | Computer and Electronic Product Manufacturing334511 | — | ◐ LIKELY ACTIVE |
| GCGoodrich Corporation | Westford | MA | Computer and Electronic Product Manufacturing334511 | — | ◐ LIKELY ACTIVE |
| HIHBK, Inc. | Marlborough | MA | Computer and Electronic Product Manufacturing334513 | 20-99 | ◐ LIKELY ACTIVE |
| HCHexcel Corporation | Amesbury | MA | Computer and Electronic Product Manufacturing334511 | 100-499 | ◐ LIKELY ACTIVE |
| HHmapfb2 | Pittsfield | MA | Computer and Electronic Product Manufacturing334511 | 100-499 | ◐ LIKELY ACTIVE |
| HHmapfb3 | Pittsfield | MA | Computer and Electronic Product Manufacturing334511 | 100-499 | ◐ LIKELY ACTIVE |
| HHmapfb4 | Pittsfield | MA | Computer and Electronic Product Manufacturing334511 | 100-499 | ◐ LIKELY ACTIVE |
| HHopkinton | Hopkinton | MA | Computer and Electronic Product Manufacturing334516 | 100-499 | ◐ LIKELY ACTIVE |
| HIHP Inc. Masachusettes - Burlington | Burlington | MA | Computer and Electronic Product Manufacturing334111 | 100-499 | ◐ LIKELY ACTIVE |
| HCHudson - CPI Radant Technologies Division Inc. | Hudson | MA | Computer and Electronic Product Manufacturing334220 | 20-99 | ◐ LIKELY ACTIVE |
| ISInnovasea Systems, INC. | Boston | MA | Computer and Electronic Product Manufacturing334220 | — | ◐ LIKELY ACTIVE |
IPG Photonics - 225 Cedar Hill | Marlborough | MA | Computer and Electronic Product Manufacturing334413 | 20-99 | ◐ LIKELY ACTIVE |
IPG Photonics - 257 Cedar Hill | Marlborough | MA | Computer and Electronic Product Manufacturing334413 | 20-99 | ◐ LIKELY ACTIVE |
IPG Photonics - 259 Cedar Hill | Marlborough | MA | Computer and Electronic Product Manufacturing334413 | 100-499 | ◐ LIKELY ACTIVE |
IPG Photonics - 377 Simarano | Marlborough | MA | Computer and Electronic Product Manufacturing334413 | 100-499 | ◐ LIKELY ACTIVE |
| IIIXYS IC - Littelfuse | Beverly | MA | Computer and Electronic Product Manufacturing334413 | 100-499 | ◐ LIKELY ACTIVE |
| KIKhoury Industries Incorporated | Bellingham | MA | Computer and Electronic Product Manufacturing334515 | — | ◐ LIKELY ACTIVE |
| KDKokusai Denki Electric America, INC. | Southwick | MA | Computer and Electronic Product Manufacturing334310 | — | ◐ LIKELY ACTIVE |
| KUKpr Us, LLC | Chicopee | MA | Computer and Electronic Product Manufacturing334510 | 100-499 | ◐ LIKELY ACTIVE |
| LSLanthanide Solutions INC. | Marlborough | MA | Computer and Electronic Product Manufacturing334419 | — | ◐ LIKELY ACTIVE |
| LLLazarus LLC | Cambridge | MA | Computer and Electronic Product Manufacturing334511 | — | ◐ LIKELY ACTIVE |
| LALlg Associates LLC | Sudbury | MA | Computer and Electronic Product Manufacturing334419 | — | ◐ LIKELY ACTIVE |
| LMLockheed Martin Corporation US MA Marion Front St (2448) | Marion | MA | Computer and Electronic Product Manufacturing334511 | 20-99 | ◐ LIKELY ACTIVE |
| LRLocus Robotics Corp | Wilmington | MA | Computer and Electronic Product Manufacturing334111 | 100-499 | ◐ LIKELY ACTIVE |
| LLowell | Lowell | MA | Computer and Electronic Product Manufacturing334220 | 100-499 | ◐ LIKELY ACTIVE |
| LILundey, INC. | Attleboro | MA | Computer and Electronic Product Manufacturing334416 | — | ◐ LIKELY ACTIVE |
| MMa | Concord | MA | Computer and Electronic Product Manufacturing334511 | 1-19 | ◐ LIKELY ACTIVE |
| MTMa121 Tmc | Peabody | MA | Computer and Electronic Product Manufacturing334519 | 100-499 | ◐ LIKELY ACTIVE |
| MSMa169 Spectro Scientific | Chelmsford | MA | Computer and Electronic Product Manufacturing334516 | 20-99 | ◐ LIKELY ACTIVE |
| MAMacomber and Foote LLC | Fall River | MA | Computer and Electronic Product Manufacturing334419 | — | ◐ LIKELY ACTIVE |
| MEMagnetika East Limited Partnership | Marlborough | MA | Computer and Electronic Product Manufacturing334416 | — | ◐ LIKELY ACTIVE |