| ECEnvirocraft Corporation | Leominster | — | ◇ UNVERIFIED |
 Euro Precision, INC. | Ashley Falls | — | ◇ UNVERIFIED |
| EEExact Engineering | Needham | — | ◇ UNVERIFIED |
| FMFabco Mfg., Inc. | Hudson | — | ◇ UNVERIFIED |
| FMFabricated Metal Solutions Inc | Medfield | — | ◇ UNVERIFIED |
| FFFerguson Fire and Fabrication 1760 | Chicopee | — | ◇ UNVERIFIED |
| FLFfadm LLC | Walpole | — | ◇ UNVERIFIED |
| FRFior Realty | Agawam | — | ◇ UNVERIFIED |
| FEFirst Electronics Company | Boston | — | ◇ UNVERIFIED |
| FSFive Star Plating, LLC | Methuen | — | ◇ UNVERIFIED |
| FSFive Star Plating, LLC | Lawrence | — | ◇ UNVERIFIED |
| FMFleet Machine CO. | Gloucester | — | ◇ UNVERIFIED |
| FIFlexcon Industries | Randolph | — | ◇ UNVERIFIED |
| FNFormer North American Texturing | Chicopee | — | ◇ UNVERIFIED |
| FBFormulatrix Bedford | Bedford | — | ◇ UNVERIFIED |
| FMFortune Metal Finishing Corporation | Needham Heights | — | ◇ UNVERIFIED |
| FIFrancer Industries Incorporated | East Weymouth | — | ◇ UNVERIFIED |
| GMGallant Machine Works INC | Shrewsbury | — | ◇ UNVERIFIED |
| GAGartman Arms CO INC | Wrentham | — | ◇ UNVERIFIED |
| GMGary Morin Erectors, LLC | West Springfield | — | ◇ UNVERIFIED |
| GMGary Morin Erectors, LLC | Worcester | — | ◇ UNVERIFIED |
| GKGeo. Knight & CO. INC. | Brockton | — | ◇ UNVERIFIED |
| GSGlobal Staffing Solutions, LLC | East Longmeadow | — | ◇ UNVERIFIED |
| GSGoodrich Surveillance & Reconnaissance Systems | Chelmsford | — | ◇ UNVERIFIED |
| GIGordon Industries, INC. Dba Amramp | South Boston | — | ◇ UNVERIFIED |
| GPGTC Precision Molding Corp | Leominster | — | ◇ UNVERIFIED |
| HTHalpern Titanium, INC | Three Rivers | — | ◇ UNVERIFIED |
 Hardric Laboratories | Waltham | — | ◇ UNVERIFIED |
| HSHorizon Sheet Metal, INC. | Springfield | — | ◇ UNVERIFIED |
| HEHowes Engineering CO INC | North Chelmsford | — | ◇ UNVERIFIED |
| H1H&r 1871 Incorporate | Gardner | — | ◇ UNVERIFIED |
 Hybrid Cnc Parts | Webster | — | ◇ UNVERIFIED |
| IIIdeal Instrument Co., INC. | Canton | — | ◇ UNVERIFIED |
| IPIndustrial Precision Coatings INC | Randolph | — | ◇ UNVERIFIED |
| IAInnovent a Standex Company | Wakefield | — | ◇ UNVERIFIED |
| ITInsituform Technology | Wrentham | — | ◇ UNVERIFIED |
| IIIntech INC | Acton | — | ◇ UNVERIFIED |
| IDIntegrated Dynamic Metals Corp | Marlborough | — | ◇ UNVERIFIED |
| IIIrwin Industrial Tool Company | East Longmeadow | — | ◇ UNVERIFIED |
| JCJaro CORP | Peabody | — | ◇ UNVERIFIED |
| JLJaymar, LLC | East Longmeadow | — | ◇ UNVERIFIED |
| JSJf Stearns CO LLC | Hyde Park | — | ◇ UNVERIFIED |
| JRJonas-Tess Realty LLC | Bellingham | — | ◇ UNVERIFIED |
| JPJp Precision INC | Chicopee | — | ◇ UNVERIFIED |
| JRJ R Higgins Associates LLC | Acton | — | ◇ UNVERIFIED |
| KIKampersal INC Dba Nystrom Engineering Company | Dedham | — | ◇ UNVERIFIED |
| KRKamrowski Refinishing CO INC | Boston | — | ◇ UNVERIFIED |
| KBK & B Welding | Pembroke | — | ◇ UNVERIFIED |
| KMKc Machine INC | Gloucester | — | ◇ UNVERIFIED |
| KFKent Fabrications, INC. | Pembroke | — | ◇ UNVERIFIED |
