| CGC & G Machine | Granby | MA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| CKChalmers & Kubeck North | Westfield | MA | Fabricated Metal Product Manufacturing332911 | — | ◇ UNVERIFIED |
| CICircor International INC. | Burlington | MA | Fabricated Metal Product Manufacturing332912 | — | ◇ UNVERIFIED |
| CIClearmotion INC | Billerica | MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| CBCliflex Bellows Corporation | Boston | MA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CICoastal Industries, INC | Haverhill | MA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| CRComplete Reconditioning Specialist | Fairhaven | MA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| CFConsolidated Fabricators | Auburn | MA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| CMCreative Modeling & Die, LLC | Attleboro | MA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CACrocker Architectural Sheet Metal Co., INC. | Wellesley | MA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| CICsh Industries, INC. | Plymouth | MA | Fabricated Metal Product Manufacturing332439 | — | ◇ UNVERIFIED |
| CECunningham Engineering | Danvers | MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| CACustom Automotive Machine CO. | Weymouth | MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| DPD&B Property, LLC | Hudson | MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| DEDan-kar Engineering LLC | Woburn | MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| DRDan Ray Machine Company | Haverhill | MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| DCD. Clement, INC. | Dunstable | MA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
 Dcp Spring Acquisition Company INC Hardware Products | Chelsea | MA | Fabricated Metal Product Manufacturing332613 | — | ◇ UNVERIFIED |
| DIDds Industries INC | Fall River | MA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DMDecker Machine Works, INC | Ashfield | MA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| DMDelta Machine & Tool, INC. | Palmer | MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| DSDesigner Sinks | Hanover | MA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
 DGG Industries, Inc. | Attleboro | MA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| DCDilon Company Inc | Attleboro | MA | Fabricated Metal Product Manufacturing332119 | — | ◇ UNVERIFIED |
| DMDj Machine | North Andover | MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| DMDraper Metals | Middleboro | MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| DMDraper Metals, INC. | West Bridgewater | MA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| DPDrew's Powder Coating LLC | Pepperell | MA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| DPDunbroze Precision LLC | Pepperell | MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| ETEagle Traffic Control Systems | Clinton | MA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| EHEasco Hand Tools INC | Springfield | MA | Fabricated Metal Product Manufacturing332216 | — | ◇ UNVERIFIED |
| EMEastbay Metal LLC | Lynn | MA | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| EHEastern Heating & Sheet Metal | Chicopee | MA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| EHEastern Heating & Sheet Metal | Milford | MA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| ETEastern Turning | Newburyport | MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| EPEasthampton Precision Manufacturing INC | Easthampton | MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| EDEdco Drilling and Honing INC | Webster | MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| EElectrostat | Randolph | MA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| EElectroswitch | Rockland | MA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| EPElement Precision LLC | Southbridge | MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| ECEnvirocraft Corporation | Leominster | MA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
 Euro Precision, INC. | Ashley Falls | MA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| EEExact Engineering | Needham | MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| FMFabco Mfg., Inc. | Hudson | MA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| FMFabricated Metal Solutions Inc | Medfield | MA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| FFFerguson Fire and Fabrication 1760 | Chicopee | MA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| FLFfadm LLC | Walpole | MA | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| FRFior Realty | Agawam | MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| FEFirst Electronics Company | Boston | MA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| FSFive Star Plating, LLC | Lawrence | MA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
