| CCCal Chemical Corporation | Coventry, RI | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| CACannon and Brown/surface Coating Div | Providence, RI | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| CDCape Dory Yachts | Taunton, MA | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| CCCarla Corporation | East Providence, RI | Miscellaneous Manufacturing339911 | — | ◇ UNVERIFIED |
| CPCarpenter Powder Products | Woonsocket, RI | Fabricated Metal Product Manufacturing332117 | — | ◇ UNVERIFIED |
| CMCarroll Marine LTD | Bristol, RI | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| CCC & C Fiberglass Components | Bristol, RI | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| CCC & C Rhode Island | Providence, RI | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| CICentral Industrial Properties | Pawtucket, RI | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| CCCgi Circuits | Taunton, MA | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| CMChamberlain Manufacturing | New Bedford, MA | Fabricated Metal Product Manufacturing332993 | — | ◇ UNVERIFIED |
| CDCharbert Division of Nfa | Wood River Junction, RI | Textile Mills313249 | — | ◇ UNVERIFIED |
| CMCharisma Manufacturing CO | Central Falls, RI | Miscellaneous Manufacturing339914 | — | ◇ UNVERIFIED |
| CRCheney R H INC | Attleboro, MA | Fabricated Metal Product Manufacturing332116 | — | ◇ UNVERIFIED |
| CECherenzia Excavation, INC. | Westerly, RI | Machinery Manufacturing333131 | — | ◇ UNVERIFIED |
| CYCh Yates Rubber Company | Fall River, MA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| CJC & J Jewelry | Providence, RI | Miscellaneous Manufacturing339910 | — | ◇ UNVERIFIED |
| CClariant (closed) | Coventry, RI | Chemical Manufacturing325132 | — | ◇ UNVERIFIED |
| CBClark Boat Yard & Marine Works LLC | Jamestown, RI | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| CICnc International | Woonsocket, RI | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| CPCoastal Plastics INC | Hope Valley, RI | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| CICoaters INC | New Bedford, MA | Textile Mills313320 | — | ◇ UNVERIFIED |
| CCCodex CORP | Mansfield, MA | Computer and Electronic Product Manufacturing334290 | — | ◇ UNVERIFIED |
| CBCommemorative Brands | North Attleboro, MA | Miscellaneous Manufacturing339911 | — | ◇ UNVERIFIED |
| CBCommemorative Brands INC | Attleboro, MA | Miscellaneous Manufacturing339911 | — | ◇ UNVERIFIED |
| CTCrafford-laserstar Technologies INC | East Providence, RI | Machinery Manufacturing333992 | — | ◇ UNVERIFIED |
| CPCranston Print Works | Cranston, RI | Textile Mills313311 | — | ◇ UNVERIFIED |
| CMCreative Modeling & Design | North Attleboro, MA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| CCCrest Craft INC | Providence, RI | Miscellaneous Manufacturing339911 | — | ◇ UNVERIFIED |
| CICrystal Ice Plant | New Bedford, MA | Beverage and Tobacco Product Manufacturing312113 | — | ◇ UNVERIFIED |
| CSCrystal Stamping LLC | Pawtucket, RI | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CDCti-cryogenics Div Brooks Automation | Mansfield, MA | Machinery Manufacturing333248 | — | ◇ UNVERIFIED |
| CECumberland Engineering Div Acs Auxiliaries Group | Attleboro, MA | Machinery Manufacturing333298 | — | ◇ UNVERIFIED |
| CJCurtis Jewelry | Johnston, RI | Miscellaneous Manufacturing339910 | — | ◇ UNVERIFIED |
| DCD'ambra Construction | Warwick, RI | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| DCD'ambra Construction Company, INC. | Johnston, RI | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| DFDarlington Fabrics (a Moore Co.) | Westerly, RI | Textile Mills313210 | — | ◇ UNVERIFIED |
| DFDarlington Fabrics, the Moore Company | Westerly, RI | Textile Mills313311 | — | ◇ UNVERIFIED |
| DODay O Lite Mfg CO | Warwick, RI | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| DDD & D Chrome Plating | Providence, RI | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| DIDemaich Industries INC | Johnston, RI | Fabricated Metal Product Manufacturing332116 | — | ◇ UNVERIFIED |
| DADevelopment Associates, INC. | North Kingstown, RI | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| DIDoranco INC | North Attleboro, MA | Machinery Manufacturing333998 | — | ◇ UNVERIFIED |
| DCDroitcour Company Cone Dept | Warwick, RI | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| DSDryvit Systems INC. | West Warwick, RI | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| DSD Simpson | Smithfield, RI | Fabricated Metal Product Manufacturing332116 | — | ◇ UNVERIFIED |
| DFDuro Finishing Plant 2 | Fall River, MA | Textile Mills313310 | — | ◇ UNVERIFIED |
| DTDuro Textile Printers | Fall River, MA | Textile Mills313310 | — | ◇ UNVERIFIED |
| DTDuro Textiles LLC | Fall River, City of, MA | Textile Mills313312 | — | ◇ UNVERIFIED |
| DTDuro Textiles LLC | Fall River, MA | Textile Mills313310 | — | ◇ UNVERIFIED |
