| BSBay State Crucible | Taunton | MA | Machinery Manufacturing333414 | 1-19 | ◇ UNVERIFIED |
| BDBruce Diamond CORP | Attleboro | MA | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| GDGillies Duncan M CO INC | West Boylston | MA | Machinery Manufacturing333298 | 1-19 | ◇ UNVERIFIED |
| KIKennametal INC | Greenfield | MA | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| LBLloyd & Bouvier INC | Clinton | MA | Machinery Manufacturing333298 | 20-99 | ◇ UNVERIFIED |
| LMLucas Manufacturing Company I | Millis | MA | Machinery Manufacturing333514 | 1-19 | ◇ UNVERIFIED |
| MMrse | West Brookfield | MA | Machinery Manufacturing333514 | 1-19 | ◇ UNVERIFIED |
| NENew England Carbide INC | Topsfield | MA | Machinery Manufacturing333514 | 1-19 | ◇ UNVERIFIED |
| SISemigear INC | Wakefield | MA | Machinery Manufacturing333242 | 1-19 | ◇ UNVERIFIED |
| TWThe Watka Corporation | Lakeville | MA | Machinery Manufacturing333415 | 1-19 | ◇ UNVERIFIED |
| VCVulcan CORP | Hingham | MA | Machinery Manufacturing333515 | 20-99 | ◇ UNVERIFIED |
| ARActon Research Corporation | Acton | MA | Machinery Manufacturing333314 | — | ◇ UNVERIFIED |
| ACAearo CO | Warren | MA | Machinery Manufacturing333314 | — | ◇ UNVERIFIED |
| ACAir Compressor Engineering CO | Westfield | MA | Machinery Manufacturing333912 | — | ◇ UNVERIFIED |
| AWAndreu World America, LLC | Gardner | MA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| BABarr Associates | Tyngsboro | MA | Machinery Manufacturing333310 | — | ◇ UNVERIFIED |
| BGBattenfeld Gloucester Engineering | Gloucester | MA | Machinery Manufacturing333248 | — | ◇ UNVERIFIED |
| BMBird Machine Company | Walpole | MA | Machinery Manufacturing333291 | — | ◇ UNVERIFIED |
| BMBosun's Marine | Peabody | MA | Machinery Manufacturing333514 | — | ◇ UNVERIFIED |
| CICorning INC | Sturbridge | MA | Machinery Manufacturing333314 | — | ◇ UNVERIFIED |
| CDCti-cryogenics Div Brooks Automation | Mansfield | MA | Machinery Manufacturing333248 | — | ◇ UNVERIFIED |
| CPCvs Pharmacy 1845 | Wilmington | MA | Machinery Manufacturing333315 | — | ◇ UNVERIFIED |
| DEDalton Electric Heating CO. | Ipswich | MA | Machinery Manufacturing333994 | — | ◇ UNVERIFIED |
| DIDoranco INC | North Attleboro | MA | Machinery Manufacturing333998 | — | ◇ UNVERIFIED |
| DPDrt Power Systems - Agawam Facility | Agawam | MA | Machinery Manufacturing333514 | — | ◇ UNVERIFIED |
| ECEast Coast Induction Incorporated | Brockton | MA | Machinery Manufacturing333994 | — | ◇ UNVERIFIED |
| EMEastern Machine & Design | Hanson | MA | Machinery Manufacturing333998 | — | ◇ UNVERIFIED |
| EMEmd Millipore CORP - Bioscience Division | Danvers | MA | Machinery Manufacturing333220 | — | ◇ UNVERIFIED |
 Fiba Technologies | Westborough | MA | Machinery Manufacturing333912 | — | ◇ UNVERIFIED |
| GUGl&v USA INC | Lenox | MA | Machinery Manufacturing333243 | — | ◇ UNVERIFIED |
| HTHigh Tech Asemblies | Lowell | MA | Machinery Manufacturing333998 | — | ◇ UNVERIFIED |
| HMHoyt Mfg CORP | Westport | MA | Machinery Manufacturing333310 | — | ◇ UNVERIFIED |
| KCKollmorgen CORP Electro-optical Div | Northampton | MA | Machinery Manufacturing333310 | — | ◇ UNVERIFIED |
| KDKornit Digital North America INC | Somerville | MA | Machinery Manufacturing333244 | — | ◇ UNVERIFIED |
| LKL3harris Keo | Northampton | MA | Machinery Manufacturing333314 | — | ◇ UNVERIFIED |
| LPLawrence Pumps a Flowserve CO | Lawrence | MA | Machinery Manufacturing333911 | — | ◇ UNVERIFIED |
| LMLeavitt Machine CO | Orange | MA | Machinery Manufacturing333512 | — | ◇ UNVERIFIED |
| MFMagnat Fairview INC | Chicopee | MA | Machinery Manufacturing333514 | — | ◇ UNVERIFIED |
| MFMarket Forge | Everett | MA | Machinery Manufacturing333310 | — | ◇ UNVERIFIED |
| MCMilton Cat | Milford, Town of | MA | Machinery Manufacturing333618 | — | ◇ UNVERIFIED |
| MIMks Instruments INC | Andover | MA | Machinery Manufacturing333242 | — | ◇ UNVERIFIED |
| MLMurray Lane Trust | Athol | MA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| NINanostone INC. | Waltham | MA | Machinery Manufacturing333310 | — | ◇ UNVERIFIED |
| NRNortheast Repair Center | Canton | MA | Machinery Manufacturing333911 | — | ◇ UNVERIFIED |
| OEOtis Elevator | Agawam | MA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| PMPerkins Machine CO | Warren | MA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| PPPioneer Precision Optics, INC. | Florence | MA | Machinery Manufacturing333314 | 1-19 | ◇ UNVERIFIED |
| RRReed Rico - Closed | Holden | MA | Machinery Manufacturing333513 | — | ◇ UNVERIFIED |
| RIRoyal Institutional Services | Somerville | MA | Machinery Manufacturing333312 | — | ◇ UNVERIFIED |
| RNRuntal North America | Haverhill | MA | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
