Ranor INC. | Westminster | — | ● ACTIVE |
Reeves Company, INC. | Attleboro | 20–99 | ● ACTIVE |
Rennscot LLC | Woburn | — | ● ACTIVE |
River St. Metal Finishing, INC. | Braintree | — | ● ACTIVE |
Rj Merrell, INC. | Avon | — | ● ACTIVE |
| RMRobbins Manufacturing Company, INC. | Fall River | 20–99 | ● ACTIVE |
Safariland LLC | Dalton | — | ● ACTIVE |
Saliga Machine Co., INC. | Hudson | — | ● ACTIVE |
| SES&h Engineering, INC | Chelmsford | — | ● ACTIVE |
Southbridge Sheet Metal Works, INC | Sturbridge | — | ● ACTIVE |
Specialized Plating, INC. | Haverhill | — | ● ACTIVE |
| SMSp Machine, INC | Hudson | — | ● ACTIVE |
Sterling Precision, LLC | Clinton | — | ● ACTIVE |
| SPSwiss Precision Products, INC. | North Oxford | 1–19 | ● ACTIVE |
| SISwissturn/usa, INC. | Oxford | 20–99 | ● ACTIVE |
Tech Etch INC | Fall River | — | ● ACTIVE |
The Custom Group, INC. | Woburn | — | ● ACTIVE |
The W T Hight CO. | Pembroke | — | ● ACTIVE |
United Metal Fabricators, INC. | Worcester | — | ● ACTIVE |
United Tool & Machine Corporation | Lawrence | — | ● ACTIVE |
Vacuum Barrier CORP | Woburn | 20–99 | ● ACTIVE |
Vacuum Technology Associates, INC | Hingham | — | ● ACTIVE |
Vaupell Molding & Tooling, INC. | Agawam | — | ● ACTIVE |
Vh Blackinton & CO INC | Attleboro Falls | — | ● ACTIVE |
Whipps INC | Athol | — | ● ACTIVE |
Winchester Interconnect Rf Corporation | Peabody | — | ● ACTIVE |
Wrobel Engineering CO. INC. | Avon | 20–99 | ● ACTIVE |
51fifty, INC | Agawam | — | ● ACTIVE |
51fifty, INC. | Agawam | — | ● ACTIVE |
| AAA a Precision Machine Co., INC. | Fall River | — | ● ACTIVE |
Aaron Norton | Tyngsboro | — | ● ACTIVE |
| AMAb-wey Machine & Die Co., INC. | Pembroke | — | ● ACTIVE |
| AIAccurounds, INC. | Avon | — | ● ACTIVE |
| AIAcralube, INC. | Westfield | — | ● ACTIVE |
Andgjenn LLC | Georgetown | — | ● ACTIVE |
Aotco Holdings, LLC | Billerica | — | ● ACTIVE |
Apahouser INC. | Marlborough | — | ● ACTIVE |
Ap Precision Machine INC | Holliston | — | ● ACTIVE |
| AMAssabet Machine CORP. | Boxborough | — | ● ACTIVE |
Atlas Devices, LLC | Chelmsford | — | ● ACTIVE |
Atlee CORP | Tewksbury | — | ● ACTIVE |
A.w. Airflo Industries, INC. | Newburyport | — | ● ACTIVE |
| BGBendon Gear and Machine, INC | Rockland | 20–99 | ● ACTIVE |
| BPBird-johnson Propeller Company, LLC | Walpole | 100–499 | ● ACTIVE |
Bob Johnson Associates INC | Leominster | — | ● ACTIVE |
Boniface Tool & Die INC | Dudley | — | ● ACTIVE |
Boston Fluid Systems, INC. | Wilmington | — | ● ACTIVE |
Boulevard Machine & Gear, INC. | Westfield | — | ● ACTIVE |
Boyd Corporation (woburn) INC | Woburn | — | ● ACTIVE |
Brennan Machine Co., INC. | Hanson | — | ● ACTIVE |