Advanced Instruments LLC | Norwood | — | ● ACTIVE |
| BPBoston Piezo-optics INC | Bellingham | 1–19 | ● ACTIVE |
Dynisco Instruments LLC | Franklin | 100–499 | ● ACTIVE |
Electric Time Company, INC | Medfield | 1–19 | ● ACTIVE |
Remtec, Incorporated | Canton | 20–99 | ● ACTIVE |
Schneider Electric Systems USA INC | Foxboro | 500+ | ● ACTIVE |
Source Code LLC | Norwood | 20–99 | ● ACTIVE |
Spectra Solutions INC | Norwood | 1–19 | ● ACTIVE |
Tekscan INC | Norwood | 20–99 | ● ACTIVE |
Thermo Environmental Instruments LLC | Franklin | 100–499 | ● ACTIVE |
Interactive Media CORP. | Millis | 20–99 | ● ACTIVE |
Myolex, INC. | Brookline | 1–19 | ● ACTIVE |
N-vision Optics, LLC | Needham | 1–19 | ● ACTIVE |
Pressure Biosciences, INC. | Canton | 1–19 | ● ACTIVE |
Prodrive Technologies, INC. | Canton | 1–19 | ● ACTIVE |
| SMSmart Machines Corporation | Medfield | — | ● ACTIVE |
The First Electronics Corporation | Braintree | — | ● ACTIVE |
United Electronic Industries INC | Norwood | — | ● ACTIVE |
| 3I3deo INC | Norwood | — | ● ACTIVE |
Aaron Anderson | Canton | — | ● ACTIVE |
Amphenol Alden Products CO | Stoughton | — | ● ACTIVE |
Baldi Designs, INC. | Walpole | — | ● ACTIVE |
Bascom-turner Instruments, INC. | Norwood | — | ● ACTIVE |
Circuit Technology LLC | Norwood | — | ● ACTIVE |
| ELE-pill LLC | Wellesley Hills | — | ● ACTIVE |
Evosep INC. | Bellingham | — | ● ACTIVE |
Greystate, INC. | Chestnut Hill | — | ● ACTIVE |
Highland Instruments INC | Braintree | — | ● ACTIVE |
Imagine Scientific INC | Norwood | — | ● ACTIVE |
Ionoptix LLC | Westwood | — | ● ACTIVE |
Racepoint LLC | Milton | — | ● ACTIVE |
Securecignal LLC | Quincy | — | ● ACTIVE |
Signifier Medical Technologies LLC | Needham Heights | — | ● ACTIVE |
Unicom Engineering, INC. | Canton | — | ● ACTIVE |
Xcerra Corporation | Norwood | — | ● ACTIVE |
Admet, INC. | Norwood | 20–99 | ◐ LIKELY ACTIVE |
| RCRanfac Corporation | Avon | 20–99 | ◐ LIKELY ACTIVE |
| CICalmetrix INC | Needham Heights | 1–19 | ◐ LIKELY ACTIVE |
| UEUltra Electronics Ocean Systems INC. | Braintree | 500+ | ◐ LIKELY ACTIVE |
| CAChasm Advanced Materials, Inc. - Canton | Canton | 1–19 | ◐ LIKELY ACTIVE |
| MBMassachusetts Bay Technologies, INC | Stoughton | 1–19 | ◐ LIKELY ACTIVE |
| MDMicrowave Development Laboratories, INC. | Needham Heights | 20–99 | ◐ LIKELY ACTIVE |
| PSPrecision Sensing Devices INC | Medfield | 1–19 | ◐ LIKELY ACTIVE |
| TFThermo Fisher Scientific INC | Franklin | — | ◇ UNVERIFIED |
| AIAnduril Industries Quincy | Quincy | 100–499 | ◐ LIKELY ACTIVE |
| GDGeneral Dynamics Mission Systems, INC. | Quincy | — | ◐ LIKELY ACTIVE |
| MIMay Institute | Randolph | — | ◐ LIKELY ACTIVE |
| MSMontrose School Campus Improvement Project | Medfield | — | ◐ LIKELY ACTIVE |
| UUltra | Braintree | — | ◐ LIKELY ACTIVE |
| UMUltra Maritime Naval Systems and Sensors | Quincy | — | ◐ LIKELY ACTIVE |