| CLCersosimo Lumber CO INC | Hardwick, MA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| CWChets Welding Incorporated | Uxbridge, MA | Machinery Manufacturing333923 | — | ◇ UNVERIFIED |
| C1Cogmedix 127 | West Boylston, MA | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| CHCold Harbor Brewing Company LLC | Westborough, MA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| CHCold Harbor Brewing Company, LLC | Westborough, MA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| CMConcentris Manufacturing Solutions, INC. | Westborough, MA | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| CMConcrete & Mortar Packaging LLC | Milford, MA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CFConsolidated Fabricators | Auburn, MA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| CSConsolidated Smelting & Refining | Sutton, MA | Primary Metal Manufacturing331528 | — | ◇ UNVERIFIED |
| CPCorrugated Paper | Westborough, MA | Paper Manufacturing322299 | — | ◇ UNVERIFIED |
| CMCrafco Milbury | Millbury, MA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CRCrm Realty Trust | Fitchburg, MA | Paper Manufacturing322120 | — | ◇ UNVERIFIED |
| CCCrumbl Cookie | Leominster, MA | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| CTCurtis Tractor Cab, INC. | Worcester, MA | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| CCytiva | Westborough, MA | Machinery Manufacturing333998 | — | ◇ UNVERIFIED |
| DRDamwood Realty LLC | Southbridge, MA | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| DCDana Container, INC. | Upton, MA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| DCDBA Creative Signworks | Millbury, MA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| DSDelgreco Supply CO INC | Northborough, MA | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| DTDental Team of Worcester | Worcester, MA | Miscellaneous Manufacturing339114 | — | ◇ UNVERIFIED |
| DSDepot Street Associates | Uxbridge, MA | Textile Mills313110 | — | ◇ UNVERIFIED |
| DCDienes Corporation | Spencer, MA | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| DDDimitria Delights, INC. | North Grafton, MA | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| DDDippin Donuts, INC. | Leominster, MA | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| DODivision of Capital Asset Mgt | Grafton, MA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| DDDoelcam Display INC | Leicester, MA | Textile Mills313310 | — | ◇ UNVERIFIED |
| DIDomitek, INC. | Worcester, MA | Computer and Electronic Product Manufacturing334118 | — | ◇ UNVERIFIED |
| DCDonero Construction Services Llc/michael Pereira Gusmao | Lunenburg, MA | Wood Product Manufacturing321213 | — | ◇ UNVERIFIED |
| ETEagle Traffic Control Systems | Clinton, MA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| EHEastern Heating & Sheet Metal | Milford, MA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| EBEastman Brass Instruments, LLC | Hopedale, MA | Miscellaneous Manufacturing339992 | — | ◇ UNVERIFIED |
 Eclipse Precision Machining LLC | Hopedale, MA | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| EDEdco Drilling and Honing INC | Webster, MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| EDEdward Davis | Templeton, MA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| EPElement Precision LLC | Southbridge, MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| ETElite Turf Care | Sterling, MA | Machinery Manufacturing333112 | — | ◇ UNVERIFIED |
| EWElite Woodwork and Design INC | Whitinsville, MA | Wood Product Manufacturing321212 | — | ◇ UNVERIFIED |
| ECEnvirocraft Corporation | Leominster, MA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| EPEpv Plastics Corporation | Oxford, MA | Plastics and Rubber Products Manufacturing326113 | — | ◇ UNVERIFIED |
| ECErie County Plastics Corporation | Westborough, MA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| ESExpert Staffing Hc, INC. | Millbury, MA | Textile Mills313249 | — | ◇ UNVERIFIED |
| ESExpose Signs and Graphics INC | Hopedale, MA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| EUEyepoint US INC | Northbridge, MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| FDF & D Plastics, INC. | Leominster, MA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| FVFieldstone Veneer, Inc. | Milford, MA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| FLFine Line Graphics | Gardner, MA | Printing and Related Support Activities323120 | — | ◇ UNVERIFIED |
| FMFire-1 Manufacturing Inc. | Mendon, MA | Machinery Manufacturing333924 | — | ◇ UNVERIFIED |
| FCFlexcon CO INC | Spencer, MA | Plastics and Rubber Products Manufacturing326113 | — | ◇ UNVERIFIED |
| FCFlexcon Company INC Plant 6 | Spencer, MA | Plastics and Rubber Products Manufacturing326113 | — | ◇ UNVERIFIED |
| FMF & M Tools & Plastics, INC. | Leominster, MA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
