| OOptometrics (Littleton) | Littleton | MA | Machinery Manufacturing333314 | 1-19 | ◐ LIKELY ACTIVE |
| PHPickle HQ | Charlestown | MA | Machinery Manufacturing333998 | 100-499 | ◐ LIKELY ACTIVE |
| PPPilot Precision Products, LLC | South Deerifeld | MA | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
Primetals Technologies USA LLC | Sutton | MA | Machinery Manufacturing333519 | — | ◐ LIKELY ACTIVE |
| PCProduct Company Haverhill | Haverhill | MA | Machinery Manufacturing333912 | 100-499 | ◐ LIKELY ACTIVE |
| QTQuality Tool Company , Incorporated | Monson | MA | Machinery Manufacturing333514 | — | ◐ LIKELY ACTIVE |
| RRaytheon_Westford | Westford | MA | Machinery Manufacturing333314 | 100-499 | ◐ LIKELY ACTIVE |
| RFRectorSeal Fall River | Fall River | MA | Machinery Manufacturing333415 | 20-99 | ◐ LIKELY ACTIVE |
| RWRexa WB | West Bridgwater | MA | Machinery Manufacturing333995 | 100-499 | ◐ LIKELY ACTIVE |
| SISangtera INC | Lexington | MA | Machinery Manufacturing333242 | — | ◐ LIKELY ACTIVE |
| SASealed Air (Shanklin) | Ayer | MA | Machinery Manufacturing333993 | 100-499 | ◐ LIKELY ACTIVE |
| SMSMMA/Symmes Maini & McKee Associates, Inc. | Cambridge | MA | Machinery Manufacturing333618 | 100-499 | ◐ LIKELY ACTIVE |
| SPStd Precision Gear & Instrument, INC | W Bridgewater | MA | Machinery Manufacturing333612 | — | ◐ LIKELY ACTIVE |
| SSSterling Site | Sterling | MA | Machinery Manufacturing333519 | 1-19 | ◐ LIKELY ACTIVE |
| TITecnau, Inc. | North Andover | MA | Machinery Manufacturing333244 | 20-99 | ◐ LIKELY ACTIVE |
| TFTeledyne Flir Commercial Systems, INC. | North Billerica | MA | Machinery Manufacturing333310 | — | ◐ LIKELY ACTIVE |
| TLThee Lw, LLC | Wilmington | MA | Machinery Manufacturing333111 | — | ◐ LIKELY ACTIVE |
| TOThe Olympus Construction CORP | Lawrence | MA | Machinery Manufacturing333511 | — | ◐ LIKELY ACTIVE |
| TPThomas Processing (div of IMA North America Inc) | Leominster | MA | Machinery Manufacturing333248 | 20-99 | ◐ LIKELY ACTIVE |
| TTTpc Technology Partners | Plymouth | MA | Machinery Manufacturing333998 | — | ◐ LIKELY ACTIVE |
| UTUS Tool Group- GE Lynn | Lynn | MA | Machinery Manufacturing333517 | 1-19 | ◐ LIKELY ACTIVE |
| VLValmet - Lenox | Lenox | MA | Machinery Manufacturing333243 | 20-99 | ◐ LIKELY ACTIVE |
| VIVizgen, Inc. (Cambridge) | Cambridge | MA | Machinery Manufacturing333310 | 20-99 | ◐ LIKELY ACTIVE |
| VIVizgen, Inc. (Waltham) | Waltham | MA | Machinery Manufacturing333310 | 20-99 | ◐ LIKELY ACTIVE |
| VTVulcan Tools | Hingham | MA | Machinery Manufacturing333120 | 20-99 | ◐ LIKELY ACTIVE |
| WMWatson Marlow, INC. | Wilmington | MA | Machinery Manufacturing333914 | — | ◐ LIKELY ACTIVE |
| URUnited Refrigeration INC | Springfield | MA | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| ATAce Torwel, INC | Bellingham | MA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| AIAmerican Insulated Panel Company, INC | Taunton | MA | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| DMDen Mar Corporation | North Dartmouth | MA | Machinery Manufacturing333318 | — | ◇ UNVERIFIED |
| PPPioneer Precision Optics, INC. | Florence | MA | Machinery Manufacturing333314 | — | ◇ UNVERIFIED |
| WFWhitmore Family Enterprises, LLC Dba Taza Chocolate | Somerville | MA | Machinery Manufacturing333241 | — | ◇ UNVERIFIED |
| 1E131 East Main Realty LLC | West Brookfield | MA | Machinery Manufacturing333413 | — | ◇ UNVERIFIED |
| 2H20x24 Holdings LLC | Ashland | MA | Machinery Manufacturing333316 | — | ◇ UNVERIFIED |
| 2B212 Beacon Street Condominium | Boston | MA | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| 2F251 Florence St, LLC | Leominster | MA | Machinery Manufacturing333511 | — | ◇ UNVERIFIED |
| 3F3d Fortify | Charlestown | MA | Machinery Manufacturing333248 | — | ◇ UNVERIFIED |
| 3N3m Norwood | Norwood | MA | Machinery Manufacturing333131 | — | ◇ UNVERIFIED |
| 8S85 South Main Street LLC | Uxbridge | MA | Machinery Manufacturing333243 | — | ◇ UNVERIFIED |
| 9N98 North LLC | Boston | MA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| AAAcs Auxiliaries Group | South Attleboro | MA | Machinery Manufacturing333248 | — | ◇ UNVERIFIED |
| AAdamation | Newton | MA | Machinery Manufacturing333310 | — | ◇ UNVERIFIED |
| AEAdvanced Engine Rebu | Lawrence | MA | Machinery Manufacturing333998 | — | ◇ UNVERIFIED |
| APAdvanced Pump Company Inc | Woburn | MA | Machinery Manufacturing333996 | — | ◇ UNVERIFIED |
| APAdvanced Pump Company, Inc. | Woburn | MA | Machinery Manufacturing333996 | — | ◇ UNVERIFIED |
| AVAdvanced Vacuum Systems, INC. | Ayer | MA | Machinery Manufacturing333994 | — | ◇ UNVERIFIED |
| ACAearo Company | Southbridge | MA | Machinery Manufacturing333310 | — | ◇ UNVERIFIED |
| AEAir-draulic Engineering Co., INC. | Randolph | MA | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| ATAir Temperature Control Mechanics | Lowell | MA | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| ARAlibrandi Realty Associates LLC | North Billerica | MA | Machinery Manufacturing333618 | — | ◇ UNVERIFIED |