| MIMestek INC Dadanco | Westfield | — | ◇ UNVERIFIED |
| MMetromatic | Medford | — | ◇ UNVERIFIED |
| MAMicro Arc Welding INC | Worcester | — | ◇ UNVERIFIED |
| MCMicrowave Components Specialists, in | Bedford | — | ◇ UNVERIFIED |
| MIMillibar INC | Hopkinton | — | ◇ UNVERIFIED |
| MEMitsubishi Electric US INC | Woburn | — | ◇ UNVERIFIED |
| MEMolino Elevator and Fabrication Inc | Avon | — | ◇ UNVERIFIED |
| MSMrsi Systems | Tewksbury | — | ◇ UNVERIFIED |
| MAMtp Associates, INC | Sandwich | — | ◇ UNVERIFIED |
| MEMurphy Engineering | West Bridgewater | — | ◇ UNVERIFIED |
| NPNantascot Place | Hull | — | ◇ UNVERIFIED |
| NCNeutrasafe Corporation | Stoughton | — | ◇ UNVERIFIED |
| NTNeutron Therapeutics | Danvers | — | ◇ UNVERIFIED |
| NCNevlen Company Incorporated | Wakefield | — | ◇ UNVERIFIED |
| NINn INC - Attleboro Medical | Attleboro | — | ◇ UNVERIFIED |
| NFNorthwoods Forest Products, LLC | Northfield | — | ◇ UNVERIFIED |
| OIOesco INC | Conway | — | ◇ UNVERIFIED |
| OPOhlson Packaging | Taunton | — | ◇ UNVERIFIED |
| OKOne Kendall Square Building 700 | Cambridge | — | ◇ UNVERIFIED |
| OWOptikos Wakefield Facility | Wakefield | — | ◇ UNVERIFIED |
| OIOpt Industries INC Production Floor | Somerville | — | ◇ UNVERIFIED |
| OSOptron Systems Incorporated | Bedford | — | ◇ UNVERIFIED |
| OEOtis Elevator Company | Boston | — | ◇ UNVERIFIED |
| OIOverlook Industries, INC. | Easthampton | — | ◇ UNVERIFIED |
| PWPacheco Woodworking | Westport | — | ◇ UNVERIFIED |
| PLPentucket Lake Condominiums | Haverhill | — | ◇ UNVERIFIED |
| PTPersimmon Technologies Corporation | Wakefield | — | ◇ UNVERIFIED |
| PPPilot Precision Products LLC | South Deerfield | — | ◇ UNVERIFIED |
| PPPlainville Products CORP | Plainville | — | ◇ UNVERIFIED |
| PDPoly-tech Diamond Co., INC. | North Attleboro | — | ◇ UNVERIFIED |
| PHPrecision Hydraulic INC | Dedham | — | ◇ UNVERIFIED |
| PWProduction Workshop | Cambridge | — | ◇ UNVERIFIED |
| PSPurity Services INC | New Bedford | — | ◇ UNVERIFIED |
| RAR and M Machine LLC | Chicopee | — | ◇ UNVERIFIED |
| RLRectorseal, LLC | Fall River | — | ◇ UNVERIFIED |
| RMReed Machinery, INC. Only Location | Worcester | — | ◇ UNVERIFIED |
| RAResidences at Stone Gable | Malden | — | ◇ UNVERIFIED |
| RMRichards Micro-tool, LLC | Plymouth | — | ◇ UNVERIFIED |
| RTRoehr Tool Solutions | Sterling | — | ◇ UNVERIFIED |
| SMSacchetti Marine | Pembroke | — | ◇ UNVERIFIED |
| SASamuel a Bolden Park | Springfield | — | ◇ UNVERIFIED |
| SUSemilab USA | North Billerica | — | ◇ UNVERIFIED |
| STSimsak Tool and Machine Company | Southbridge | — | ◇ UNVERIFIED |
| SPSt Pauls Residence | Cambridge | — | ◇ UNVERIFIED |
| TGTABC Group, LLC dba H&W Test Products | Seekonk | — | ◇ UNVERIFIED |
| TITecnau, INC. | Billerica | — | ◇ UNVERIFIED |
| TITecogen INC | Waltham | — | ◇ UNVERIFIED |
| TITeleVend Inc | Swansea | — | ◇ UNVERIFIED |
| TCTemperature Controlled Systems, INC | Gloucester | — | ◇ UNVERIFIED |
| TCTenebraex Corporation | Boston | — | ◇ UNVERIFIED |