| CWClean Water Opportunities, INC. | Baton Rouge | LA | — | ◇ UNVERIFIED |
| CACliffs Auto Body | Bensalem | PA | — | ◇ UNVERIFIED |
| CTClose the Loop INC | Hebron | KY | — | ◇ UNVERIFIED |
| CPClover Plastics LLC | West Chicago | IL | — | ◇ UNVERIFIED |
| CECmi Enterprises | Forest City | NC | — | ◇ UNVERIFIED |
| CBCoastal Bend Staffing, LLC | Lolita | TX | — | ◇ UNVERIFIED |
| CPCoastal Plastics INC | Hope Valley | RI | — | ◇ UNVERIFIED |
| CACollins & Aikman Plastics | Manchester | MI | — | ◇ UNVERIFIED |
| CDColonial Diversified Polymer Products LLC | Dyersburg | TN | — | ◇ UNVERIFIED |
| CCColorado Chemical Specialties Incorporated | Golden | CO | — | ◇ UNVERIFIED |
| CRColorado Rubber and Supply | Denver | CO | — | ◇ UNVERIFIED |
| CSColorite Specialty Resins | Burlington Township | NJ | — | ◇ UNVERIFIED |
| CMColor Master | Avilla | IN | — | ◇ UNVERIFIED |
| CMColor Master INC | Butler | IN | — | ◇ UNVERIFIED |
| CPColumbine Plastic CORP | Boulder | CO | — | ◇ UNVERIFIED |
| CFCom-pac Filtration INC | Jacksonville | FL | — | ◇ UNVERIFIED |
| CCComplementary Coatings CORP | Edgewater | FL | — | ◇ UNVERIFIED |
| CPComposite Product Division Freeport | Freeport | TX | — | ◇ UNVERIFIED |
| CSComposite Solutions CORP Sumner | Sumner | WA | — | ◇ UNVERIFIED |
 Composite Technologies | Hines | OR | — | ◇ UNVERIFIED |
| CIComptec Inc/comptec Insulator Plt | Irwin | PA | — | ◇ UNVERIFIED |
| CFConcept Fiberglass | Grand Island | NE | — | ◇ UNVERIFIED |
| CPConductive Plastics Consultants | Media | PA | — | ◇ UNVERIFIED |
 Contemporary Design Plastics | Arlington | TX | — | ◇ UNVERIFIED |
| CSContinenental Structural Plastics, INC. | Van Wert | OH | — | ◇ UNVERIFIED |
| CCContinental Contitect, LLC. | Somersworth | NH | — | ◇ UNVERIFIED |
| CSContinental Structural Plastics | Carey | OH | — | ◇ UNVERIFIED |
| CUContitech, Usa, INC. - Halstead (stormwater) | Halstead | KS | — | ◇ UNVERIFIED |
| CCCook Composites and Polymers CO. | N. Kansas City | MO | — | ◇ UNVERIFIED |
| CCCook Composites & Polymers CO. | Oxnard | CA | — | ◇ UNVERIFIED |
| CPCook Paint and Varnish Company | Houston | TX | — | ◇ UNVERIFIED |
| CPCook Polymer Technologies Canton | Canton | IL | — | ◇ UNVERIFIED |
| CPCookson Performance Plastics | Worcester | MA | — | ◇ UNVERIFIED |
| CPCoolidge Plant | Pinal | AZ | — | ◇ UNVERIFIED |
| CECooper Electronic Technologies | Dublin | CA | — | ◇ UNVERIFIED |
 Cope Plastics, INC. | Genoa City | WI | — | ◇ UNVERIFIED |
| CCCore Composites Cincinnati, LLC (1413020248) | Batavia | OH | — | ◇ UNVERIFIED |
| CCCorpus Christi Polymer Plant | Corpus Christi | TX | — | ◇ UNVERIFIED |
| CMCorsair Marine INC | Chula Vista | CA | — | ◇ UNVERIFIED |
| CICosmoflex INC | Hannibal | MO | — | ◇ UNVERIFIED |
| CPCountry Plastics INC | Woodlake | CA | — | ◇ UNVERIFIED |
| CICovenant Industries INC. | Louisville | KY | — | ◇ UNVERIFIED |
| CICovermaster, INC. | Elkhart | IN | — | ◇ UNVERIFIED |
| CCovestro | Augusta | GA | — | ◇ UNVERIFIED |
| CCCovestro Coating Resins INC | Wilmington | MA | — | ◇ UNVERIFIED |
| CLCovestro LLC | Baytown | TX | — | ◇ UNVERIFIED |
| CLCovestro LLC (0145020221) | Hebron | OH | — | ◇ UNVERIFIED |
| CCovia | Cutler | IL | — | ◇ UNVERIFIED |
| CVCray Valley USA LLC | Houston | TX | — | ◇ UNVERIFIED |
| CVCray Valley Wallisville Rd | Channelview | TX | — | ◇ UNVERIFIED |
