| PUPlansee USA LLC | Franklin | 100–499 | ● ACTIVE |
Precision Machinists Company INC. | Chelmsford | — | ● ACTIVE |
Pvd Products, INC. | Wilmington | — | ● ACTIVE |
Rapid Micro Biosystems, INC. | Lowell | — | ● ACTIVE |
| SSScully Signal Company | Wilmington | — | ● ACTIVE |
| STSensata Technologies, INC. | Attleboro | 500+ | ● ACTIVE |
| SMSp Machine, INC | Hudson | — | ● ACTIVE |
Stannah Stairlifts Incorporated | Franklin | 20–99 | ● ACTIVE |
| SPSwiss Precision Products, INC. | North Oxford | 1–19 | ● ACTIVE |
Thermal Circuits, INC. | Salem | — | ● ACTIVE |
Ulvac Technologies INC | Methuen | — | ● ACTIVE |
Westerbeke Corporation | Taunton | — | ● ACTIVE |
Whip City Tool & Die Corporation | Southwick | — | ● ACTIVE |
Zaiput Flow Technologies LLC | Waltham | — | ● ACTIVE |
2l INC | Hudson | — | ● ACTIVE |
Acg Air Compressor LLC | Lowell | — | ● ACTIVE |
| AEAirborn Electronics, LLC | Taunton | 100–499 | ● ACTIVE |
Air Energy Group LLC | South Easton | — | ● ACTIVE |
All Steel Fabricating, INC. | North Grafton | — | ● ACTIVE |
American Crane and Hoist CORP | Boston | — | ● ACTIVE |
Arc Impact Acquisition Corporation | Burlington | — | ● ACTIVE |
Aspen Systems, LLC | Marlborough | — | ● ACTIVE |
Atlantic Research Marketing Systems, INC. | West Bridgewater | — | ● ACTIVE |
Automatic Lube Systems, INC. | Westfield | — | ● ACTIVE |
| BMBabin Machine, INC. | Brockton | — | ● ACTIVE |
Bart Truck Equipment, LLC | W Springfield | — | ● ACTIVE |
| BGBendon Gear and Machine, INC | Rockland | 20–99 | ● ACTIVE |
Bioactive Technology LLC | Shrewsbury | — | ● ACTIVE |
Boston Ballistic Technologies LLC | Marshfield | — | ● ACTIVE |
Boston Cryogenics LLC | Billerica | — | ● ACTIVE |
Boston Micromachines Corporation | Cambridge | — | ● ACTIVE |
Buckley Systems International, LTD. | Rowley | — | ● ACTIVE |
Cambridge Vacuum Engineering INC | Agawam | — | ● ACTIVE |
Cathx Corporation | Quincy | — | ● ACTIVE |
| CNCIRCOR Naval Solutions - Warren | Warren | 100–499 | ● ACTIVE |
Dexter Innovative Solutions LLC | Orange | — | ● ACTIVE |
Dodge Engineering & Controls INC | Chelmsford | — | ● ACTIVE |
Edson Pumps, LLC | New Bedford | — | ● ACTIVE |
Electrified Thermal Solutions, INC. | Medford | — | ● ACTIVE |
E. Mcgrath, INC. | Salem | — | ● ACTIVE |
Endox INC. | Boston | — | ● ACTIVE |
Engineered Pressure Systems, INC. | Haverhill | — | ● ACTIVE |
Epiray United States INC | Swampscott | — | ● ACTIVE |
Essex Silverline Corporation | Dracut | — | ● ACTIVE |
Excelitas Technologies CORP | Waltham | — | ● ACTIVE |
Expert Digital Imaging INC | Swampscott | — | ● ACTIVE |
Flow Grinding CORP. | Woburn | — | ● ACTIVE |
Giltron, INC. | North Dighton | — | ● ACTIVE |
Green Scarecrow, LLC | Lakeville | — | ● ACTIVE |
Group Four Transducers INC | East Longmeadow | — | ● ACTIVE |