| LHLawrence Hall Williams College | Williamstown | MA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| LDLocust Development | Danvers | MA | Machinery Manufacturing333318 | — | ◇ UNVERIFIED |
| MEMaguire Equipment INC | Hyde Park | MA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| MTMainline Tool and Grind INC | Westfield | MA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| MHMalden Housing Authority | Malden | MA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| MWMarks Woodworking | Thorndike | MA | Machinery Manufacturing333243 | — | ◇ UNVERIFIED |
| MCMarr Crane and Rigging Company | Braintree | MA | Machinery Manufacturing333923 | — | ◇ UNVERIFIED |
| MCMassman Companies | Hingham | MA | Machinery Manufacturing333993 | — | ◇ UNVERIFIED |
| MIMcrl INC | Bridgewater | MA | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| MIMestek INC Dadanco | Westfield | MA | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| MMetromatic | Medford | MA | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| MAMicro Arc Welding INC | Worcester | MA | Machinery Manufacturing333992 | — | ◇ UNVERIFIED |
| MCMicrowave Components Specialists, in | Bedford | MA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| MEMitsubishi Electric US INC | Woburn | MA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| MEMolino Elevator and Fabrication Inc | Avon | MA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| MSMrsi Systems | Tewksbury | MA | Machinery Manufacturing333318 | — | ◇ UNVERIFIED |
| MAMtp Associates, INC | Sandwich | MA | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| NPNantascot Place | Hull | MA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| NCNevlen Company Incorporated | Wakefield | MA | Machinery Manufacturing333924 | — | ◇ UNVERIFIED |
| NFNorthwoods Forest Products, LLC | Northfield | MA | Machinery Manufacturing333210 | — | ◇ UNVERIFIED |
| OIOesco INC | Conway | MA | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| OKOne Kendall Square Building 700 | Cambridge | MA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| OSOptron Systems Incorporated | Bedford | MA | Machinery Manufacturing333310 | — | ◇ UNVERIFIED |
| OEOtis Elevator Company | Boston | MA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| PWPacheco Woodworking | Westport | MA | Machinery Manufacturing333210 | — | ◇ UNVERIFIED |
| PLPentucket Lake Condominiums | Haverhill | MA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| PTPersimmon Technologies Corporation | Wakefield | MA | Machinery Manufacturing333242 | — | ◇ UNVERIFIED |
| PPPlainville Products CORP | Plainville | MA | Machinery Manufacturing333319 | — | ◇ UNVERIFIED |
| PDPoly-tech Diamond Co., INC. | North Attleboro | MA | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| PHPrecision Hydraulic INC | Dedham | MA | Machinery Manufacturing333995 | — | ◇ UNVERIFIED |
| PSPurity Services INC | New Bedford | MA | Machinery Manufacturing333312 | — | ◇ UNVERIFIED |
| RAResidences at Stone Gable | Malden | MA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| RMRichards Micro-tool, LLC | Plymouth | MA | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| RTRoehr Tool Solutions | Sterling | MA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| SMSacchetti Marine | Pembroke | MA | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| SASamuel a Bolden Park | Springfield | MA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| STSimsak Tool and Machine Company | Southbridge | MA | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| SPSt Pauls Residence | Cambridge | MA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| TITeleVend Inc | Swansea | MA | Machinery Manufacturing333318 | — | ◇ UNVERIFIED |
| TCTemperature Controlled Systems, INC | Gloucester | MA | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| TCTenebraex Corporation | Boston | MA | Machinery Manufacturing333314 | — | ◇ UNVERIFIED |
| TTerrafugia | Woburn | MA | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| TAThyssenkrupp Ag | Boston | MA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| TMTrak Machine Tools | Boxborough | MA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| UTUnion Towers Ii | Weymouth | MA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| UOUsdol - Osha Springfield Area Office | — | MA | Machinery Manufacturing333511 | — | ◇ UNVERIFIED |
| VTVector Tool & Die Corp. | Westfield | MA | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| VAVibration and Shock Technologies, LLC | Woburn | MA | Machinery Manufacturing333298 | — | ◇ UNVERIFIED |
| VTVideojet Technologies INC | Southbridge | MA | Machinery Manufacturing333249 | — | ◇ UNVERIFIED |
| VCVincent C. Sadowski III | Merrimac | MA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
