| ATAccu Trak Tool Corporation | Cherry Valley | MA | Machinery Manufacturing333517 | 20-99 | ◐ LIKELY ACTIVE |
| AAirxchange | Rockland | MA | Paper Manufacturing322220 | 20-99 | ◐ LIKELY ACTIVE |
| BOBern Optics INC | Westfield | MA | Machinery Manufacturing333314 | 20-99 | ◐ LIKELY ACTIVE |
| CGChas G Allen CO INC | Barre | MA | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| DPDrs Power Technology INC | Fitchburg | MA | Machinery Manufacturing333611 | 100-499 | ◐ LIKELY ACTIVE |
| EIEntegris INC | Franklin | MA | Plastics and Rubber Products Manufacturing326113 | 20-99 | ◐ LIKELY ACTIVE |
| ITIndustrial Tool Supply, INC. | Westford | MA | Machinery Manufacturing333515 | — | ◐ LIKELY ACTIVE |
| LALenze Americas | Uxbridge | MA | Machinery Manufacturing333612 | 100-499 | ◐ LIKELY ACTIVE |
| NINypro Incorporated | Clinton | MA | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| NINypromold INC | Clinton | MA | Machinery Manufacturing333511 | 100-499 | ◐ LIKELY ACTIVE |
| OCOptometrics Corporation | Ayer | MA | Machinery Manufacturing333314 | 20-99 | ◐ LIKELY ACTIVE |
| RMRuland Manufacturing CO. INC | Marlborough | MA | Fabricated Metal Product Manufacturing332721 | 20-99 | ◐ LIKELY ACTIVE |
| TTTell Tool INC | Westfield | MA | Machinery Manufacturing333515 | 100-499 | ▲ REPORTED CLOSED |
| GAGe Aviation | Lynn | MA | Machinery Manufacturing333611 | — | ◐ LIKELY ACTIVE |
| KSKadant Solutions Div | Auburn | MA | Machinery Manufacturing333243 | — | ◐ LIKELY ACTIVE |
| WWhirlpool | Fall River | MA | Machinery Manufacturing333310 | — | ◐ LIKELY ACTIVE |
| CECargocaire Engineering | Amesbury | MA | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
Edwards Vacuum | Haverhill | MA | Machinery Manufacturing333912 | — | ◇ UNVERIFIED |
| HTHeat Transfer Products | Freetown | MA | Machinery Manufacturing333310 | — | ◇ UNVERIFIED |
| KMKoch Membrane | Wilmington | MA | Machinery Manufacturing333294 | — | ◇ UNVERIFIED |
| MIMks Instruments | Lawrence | MA | Machinery Manufacturing333242 | — | ◇ UNVERIFIED |
| PUPhotonis USA INC | Sturbridge | MA | Machinery Manufacturing333310 | — | ◇ UNVERIFIED |
Amf Optical Solutions, LLC | Woburn | MA | Machinery Manufacturing333310 | — | ◐ LIKELY ACTIVE |
Coastal Milling Works, LLC | Ipswich | MA | Machinery Manufacturing333248 | — | ◐ LIKELY ACTIVE |
| BDBruce Diamond CORP | Attleboro | MA | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| AOAdaptive Optics Associates, INC. | Devens | MA | Machinery Manufacturing333310 | — | ◐ LIKELY ACTIVE |
| APAndritz Paperchine | Springfield | MA | Machinery Manufacturing333243 | 20-99 | ◐ LIKELY ACTIVE |
| AEAssociated Electro Mechanics INC | Springfield | MA | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| BMBanner Mold and Die CO INC | Leominster | MA | Machinery Manufacturing333511 | 20-99 | ◐ LIKELY ACTIVE |
| BCBoston Centerless INC | Woburn | MA | Machinery Manufacturing333319 | — | ◐ LIKELY ACTIVE |
| BABrooks Automation, Inc. - Chelmsford | Chelmsford | MA | Machinery Manufacturing333242 | 500+ | ◐ LIKELY ACTIVE |
| BAButler Automatic | Middleboro | MA | Machinery Manufacturing333248 | 20-99 | ◐ LIKELY ACTIVE |
| CRCovanta Resource Recovery Facility | Haverhill | MA | Machinery Manufacturing333999 | — | ◐ LIKELY ACTIVE |
| EIEconocorp INC | Randolph | MA | Machinery Manufacturing333298 | 20-99 | ◐ LIKELY ACTIVE |
| EIElevator Interior Design | Lynn | MA | Machinery Manufacturing333921 | 20-99 | ◐ LIKELY ACTIVE |
| EHEmerson Hospital | Concord | MA | Machinery Manufacturing333921 | — | ◐ LIKELY ACTIVE |
| ECEmuge CORP | West Boylston | MA | Machinery Manufacturing333515 | — | ◐ LIKELY ACTIVE |
| GIG&s Industrial INC | West Hatfield | MA | Machinery Manufacturing333999 | — | ◐ LIKELY ACTIVE |
| LILase Innovation INC | Waltham | MA | Machinery Manufacturing333310 | — | ◐ LIKELY ACTIVE |
| LLLitron, LLC | Agawam | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| LELittle Enterprises, LLC | Ipswich | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| MSM S Company | Attleboro | MA | Machinery Manufacturing333991 | 100-499 | ◐ LIKELY ACTIVE |
| NMNoremac Mfg CORP | Westborough | MA | Machinery Manufacturing333298 | — | ◐ LIKELY ACTIVE |
| PTPrimetals Technologies Sutton | Sutton | MA | Machinery Manufacturing333519 | 100-499 | ◐ LIKELY ACTIVE |
| PCProcess Cooling Systems INC | Leominster | MA | Machinery Manufacturing333415 | 20-99 | ◐ LIKELY ACTIVE |
| RPRestech Plastic Molding | Hudson | MA | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| RIRexa INC | West Bridgewater | MA | Machinery Manufacturing333995 | 100-499 | ◐ LIKELY ACTIVE |
| SISjogren Industries | Worcester | MA | Machinery Manufacturing333514 | 1-19 | ◐ LIKELY ACTIVE |
| SISturtevant INC | Hanover | MA | Machinery Manufacturing333249 | 20-99 | ◐ LIKELY ACTIVE |
| TPTrue Precision Industries, INC. | West Springfield | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |