| CCComtran Corporation | Whitinsville, MA | Primary Metal Manufacturing331421 | — | ◇ UNVERIFIED |
| CBConant Ball CO | Gardner, MA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| CWConcord Wire Company | Worcester, MA | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| CPConnectivity Products Bsc Division | Leominster, MA | Primary Metal Manufacturing331422 | — | ◇ UNVERIFIED |
| CCContinental Consolidated Industries | Worcester, MA | Furniture and Related Product Manufacturing337211 | — | ◇ UNVERIFIED |
| CPCookson Performance Plastics | Worcester, MA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| CICorning INC | Sturbridge, MA | Machinery Manufacturing333314 | — | ◇ UNVERIFIED |
| CHCountry Home Furniture | Gardner, MA | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
| CRCpi Radant Technologies Division INC | Clinton, MA | Electrical Equipment, Appliance & Component Manufacturing335999 | — | ◇ UNVERIFIED |
| CPCranston Print Works CO | Webster, MA | Textile Mills313310 | — | ◇ UNVERIFIED |
| CSCreatek Stone INC | Southbridge, MA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| CPCreative Packaging and Paper | Worcester, MA | Paper Manufacturing322120 | — | ◇ UNVERIFIED |
| CTCrocker Technical Papers | Fitchburg, MA | Paper Manufacturing322120 | — | ◇ UNVERIFIED |
| CCCroft Corporation | Upton, MA | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| CFCumberland Farms INC | Westborough, MA | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| CPCvs Pharmacy 0810 | Leominster, MA | Plastics and Rubber Products Manufacturing326212 | — | ◇ UNVERIFIED |
| CFC&w Fabricators | Gardner, MA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| DGData Guide Cable CORP | Gardner, MA | Primary Metal Manufacturing331421 | — | ◇ UNVERIFIED |
| DCDauphinais Concrete INC | Charlton, MA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| DCDean Column Incorporated | Fitchburg, MA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| ELEaw Loud Technologies | Northbridge, MA | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| ECEcc Corporation | Holden (jefferson), MA | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| EPEcm Plastics INC | Worcester, MA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| ETEddington Thread Mfg | Worcester, MA | Textile Mills313110 | — | ◇ UNVERIFIED |
| ESElastomer Solutions INC | Leominster, MA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| EEmc | Westborough, MA | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| ECEmc CORP | Southborough, MA | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| FEFeedback Earth INC | Grafton, MA | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| FEFenwal Electronics Incorported | Milford, MA | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
 Fiba Technologies | Westborough, MA | Machinery Manufacturing333912 | — | ◇ UNVERIFIED |
| Fiba Technologies INC | Millbury, MA | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| FMFiber Mark INC | Fitchburg, MA | Paper Manufacturing322110 | — | ◇ UNVERIFIED |
| FCFiberoptic Components INC | Sterling, MA | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| FEFiltrona Extrusion | Northborough, MA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| FCFlexcon Company INC Plant 1 | Spencer, MA | Textile Mills313320 | — | ◇ UNVERIFIED |
| FIFlexographic INC | Worcester, MA | Printing and Related Support Activities323120 | — | ◇ UNVERIFIED |
| FCFlo Chemical CORP | Ashburnham, MA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| FCFoam Concepts INC | Uxbridge, MA | Plastics and Rubber Products Manufacturing326140 | — | ◇ UNVERIFIED |
| FRForm Roll Die CORP | Worcester, MA | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| FIFp International Packaging | Auburn, MA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| FRFurniture Rehab INC | Fitchburg, MA | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
| FLFw Lombard CO | Gardner, MA | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
| GPGarlock Printing & Convertin | Gardner, MA | Paper Manufacturing322232 | — | ◇ UNVERIFIED |
| GWGavitt Wire & Cable | Brookfield, MA | Primary Metal Manufacturing331420 | — | ◇ UNVERIFIED |
| GEGeneral Electric Fitchburg | Fitchburg, MA | Machinery Manufacturing333611 | — | ◇ UNVERIFIED |
 General Tool INC | Worcester, MA | Fabricated Metal Product Manufacturing332213 | — | ◇ UNVERIFIED |
| GIGhm Industries | Worcester, MA | Machinery Manufacturing333292 | — | ◇ UNVERIFIED |
| GSGkn Sinter Metals INC | Worcester, MA | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
| GVGoddard Valve CORP | Worcester, MA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| GCGraves Concrete | East Templeton, MA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
