| MGMidland Graphics INC. | Marlborough | MA | Machinery Manufacturing333249 | 1-19 | ◇ UNVERIFIED |
| MIMillibar INC | Hopkinton | MA | Machinery Manufacturing333912 | 1-19 | ◇ UNVERIFIED |
| MEMurphy Engineering | West Bridgewater | MA | Machinery Manufacturing333249 | 1-19 | ◇ UNVERIFIED |
| NCNeutrasafe Corporation | Stoughton | MA | Machinery Manufacturing333318 | 1-19 | ◇ UNVERIFIED |
| NTNeutron Therapeutics | Danvers | MA | Machinery Manufacturing333242 | 20-99 | ◇ UNVERIFIED |
| OPOhlson Packaging | Taunton | MA | Machinery Manufacturing333993 | 1-19 | ◇ UNVERIFIED |
| RAR and M Machine LLC | Chicopee | MA | Machinery Manufacturing333514 | 1-19 | ◇ UNVERIFIED |
| TITecogen INC | Waltham | MA | Machinery Manufacturing333415 | 20-99 | ◇ UNVERIFIED |
| USU.s. Sheetmetal INC. | West Bridgewater | MA | Machinery Manufacturing333414 | 1-19 | ◇ UNVERIFIED |
| ULUva Lidkoping INC | Milford | MA | Machinery Manufacturing333517 | 1-19 | ◇ UNVERIFIED |
| VTVaughn Thermal Corporation | Salisbury (salisbury center) | MA | Machinery Manufacturing333414 | 100-499 | ◇ 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 |
| 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 |
| ATAir Temperature Control Mechanics | Lowell | MA | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| ARAlibrandi Realty Associates LLC | North Billerica | MA | Machinery Manufacturing333618 | — | ◇ UNVERIFIED |
| ARAmazon Robotics | Westborough | MA | Machinery Manufacturing333922 | — | ◇ UNVERIFIED |
| AIAmerican Insulated Panel Company, INC | Newburyport | MA | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| ATAnthony Tool and Die CORP. | Leominster | MA | Machinery Manufacturing333511 | — | ◇ UNVERIFIED |
| AWArion Water INC | Carver | MA | Machinery Manufacturing333318 | — | ◇ UNVERIFIED |
| ASAri & Sons Heavy Equipment Re | Worcester | MA | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| AWAstro Welding & Fabrication, INC. | Stoughton | MA | Machinery Manufacturing333992 | — | ◇ UNVERIFIED |
| ABAtlantic Broom Service, Inc. | Plainville | MA | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| AEAtlantic Elevator South | Falmouth | MA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| AWAttleboro West Street Wtp | Attleboro | MA | Machinery Manufacturing333618 | — | ◇ UNVERIFIED |
| ALAxcelis Logistics Center | Beverly | MA | Machinery Manufacturing333242 | — | ◇ UNVERIFIED |
| BHBacker Hotwatt Factory | Danvers | MA | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| BBBaker Brothers Systems | Stoughton | MA | Machinery Manufacturing333248 | — | ◇ UNVERIFIED |
| BSBenchmark Senior Living | Chelmsford | MA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| BBBeverly Boston Limited Partnership | Boston | MA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| BGB & G Restaurant Supply, INC. | Worcester | MA | Machinery Manufacturing333294 | — | ◇ UNVERIFIED |
| BBBik Boom Trucks LLC | Milford | MA | Machinery Manufacturing333923 | — | ◇ UNVERIFIED |
| BPBoda Products INC | Fitchburg | MA | Machinery Manufacturing333314 | — | ◇ UNVERIFIED |
| BCBoston Childrens Hospital Garage | Boston | MA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| BPBoston Process Technologies Home Office | Peabody | MA | Machinery Manufacturing333242 | — | ◇ UNVERIFIED |
 Boston Semi Equipment | Billerica | MA | Machinery Manufacturing333242 | — | ◇ UNVERIFIED |
| BPBroadlawn Park Condominium | Chestnut Hill | MA | Machinery Manufacturing333996 | — | ◇ UNVERIFIED |
| BIBtu International | Westford | MA | Machinery Manufacturing333994 | — | ◇ UNVERIFIED |
| BGBucci Grinding Group LLC | Woburn | MA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
