Mycronic INC | Tewksbury | 100–499 | ● ACTIVE |
New Objective INC | Littleton | — | ● ACTIVE |
| NPNext Phase Medical Devices | Mansfield | — | ● ACTIVE |
Peak Scientific INC | Westford | 20–99 | ● ACTIVE |
Philips North America LLC | East Cambridge | — | ● ACTIVE |
Pp Systems International, LLC | Amesbury | — | ● ACTIVE |
| PSPrecision Systems INC | Natick | — | ● ACTIVE |
Prosensing INC. | Amherst | — | ● ACTIVE |
Rapid Micro Biosystems, INC. | Lowell | — | ● ACTIVE |
Remtec, Incorporated | Canton | — | ● ACTIVE |
Renaissance Electronics & Communications, LLC | Harvard | 20–99 | ● ACTIVE |
Roscid Technologies INC | Woburn | — | ● ACTIVE |
Schleifring North America, LLC | Chelmsford | — | ● ACTIVE |
| SSScully Signal Company | Wilmington | — | ● ACTIVE |
| STSensata Technologies, INC. | Attleboro | 500+ | ● ACTIVE |
Sheaumann Laser, INC. | Billerica | — | ● ACTIVE |
| SMSmart Machines Corporation | Medfield | — | ● ACTIVE |
Source Code LLC | Norwood | 20–99 | ● ACTIVE |
Specialized Coating Services, LLC | North Billerica | — | ● ACTIVE |
Spectra Solutions INC | Norwood | — | ● ACTIVE |
Spectro Scientific, INC | Chelmsford | — | ● ACTIVE |
| SMSpectrum Microwave, INC. | Marlborough | — | ● ACTIVE |
Srs Medical Systems, INC. | Chelmsford | — | ● ACTIVE |
| TLTeledyne Lecroy Test Services | Marion | 20–99 | ● ACTIVE |
| TTTell Tool INC | Westfield | 100–499 | ● ACTIVE |
The First Electronics Corporation | Braintree | — | ● ACTIVE |
Thorndike Corporation | East Bridgewater | — | ● ACTIVE |
Transom Scopes, INC. | Westfield | — | ● ACTIVE |
Ulvac Technologies INC | Methuen | — | ● ACTIVE |
United Electronic Industries INC | Norwood | — | ● ACTIVE |
| VCVicor CORP | Andover | — | ● ACTIVE |
Viken Detection Corporation | Burlington | 20–99 | ● ACTIVE |
Wasik Associates, LLC | Dracut | — | ● ACTIVE |
Whoop, INC. | Boston | — | ● ACTIVE |
Winchester Interconnect Rf Corporation | Peabody | — | ● ACTIVE |
Zoe Medical Incorporated | Topsfield | — | ● ACTIVE |
2ek Enterprise INC. | Newton Highlands | — | ● ACTIVE |
| 3I3deo INC | Norwood | — | ● ACTIVE |
Aaron Anderson | Canton | — | ● ACTIVE |
| ANAbside Networks INC | Acton | — | ● ACTIVE |
Accelerated Media Technologies, INC. | Auburn | — | ● ACTIVE |
Adder CORP | Newburyport | — | ● ACTIVE |
Advanced Microscopy Techniques CORP | Woburn | — | ● ACTIVE |
Aes Corporation | Peabody | — | ● ACTIVE |
| AEAirborn Electronics, LLC | Taunton | 100–499 | ● ACTIVE |
Akoya Biosciences, INC | Marlborough | — | ● ACTIVE |
Almax Easylab INC | Cambridge | — | ● ACTIVE |
Amberwave INC | Ipswich | — | ● ACTIVE |
Amel Technology, LLC | Fairhaven | — | ● ACTIVE |
Amplyus LLC | Arlington | — | ● ACTIVE |