| CCClar Company | Doral | FL | — | ◇ UNVERIFIED |
| CCClar Company | Miami | FL | — | ◇ UNVERIFIED |
| CAClass a Precision, INC. | Corona | CA | — | ◇ UNVERIFIED |
| CDClassic Door & Millwork, INC. | Fort Collins | CO | — | ◇ UNVERIFIED |
| CKClassic Kitchen Doors INC Finish Facility | Meridian | ID | — | ◇ UNVERIFIED |
| CWClassic Windows, INC. | Libertyville | IL | — | ◇ UNVERIFIED |
| CWClassic Windows N Doors INC. | Monroe | NY | — | ◇ UNVERIFIED |
| CCClay-ingels CO LLC Dba Cadiz Door | Cadiz | KY | — | ◇ UNVERIFIED |
| COClearview of Phoenix LLC | Gilbert | AZ | — | ◇ UNVERIFIED |
| CBClopay Building Products | North Haven | CT | — | ◇ UNVERIFIED |
| CBClopay Building Products CO (0375000063) | Russia | OH | — | ◇ UNVERIFIED |
| CBClopay Building Products CO (0375000063) | Russia | OH | — | ◇ UNVERIFIED |
| CCClopay CORP | Russia | OH | — | ◇ UNVERIFIED |
| CCClopay Corporation Dba Clopay Building Products | Lansing | MI | — | ◇ UNVERIFIED |
| CICoastal Industries, INC | Haverhill | MA | — | ◇ UNVERIFIED |
| CWCoastal Woodwork INC | Pompano Beach | FL | — | ◇ UNVERIFIED |
| CMCoastline Manufacturing | Naples | FL | — | ◇ UNVERIFIED |
| CSCoastline Shutters & Manufacturing, LLC | Pensacola | FL | — | ◇ UNVERIFIED |
| CMCobblestone Mill Wood Works | Ball Ground | GA | — | ◇ UNVERIFIED |
| CCCold Chain, LLC | Boise | ID | — | ◇ UNVERIFIED |
| CSCold Storage Manufacturing INC | Redwood City | CA | — | ◇ UNVERIFIED |
| CColledgewood | Lincoln | CA | — | ◇ UNVERIFIED |
| CGColumbia Glass and Window Company | Kansas City | MO | — | ◇ UNVERIFIED |
| CSComarco St. Louis, INC. | Fenton | MO | — | ◇ UNVERIFIED |
| CDComercial Degro INC | Coto Laurel | PR | — | ◇ UNVERIFIED |
| CDCommercial Display Systems | Santa Clarita | CA | — | ◇ UNVERIFIED |
| CDCommercial Display Systems LLC | San Fernando | CA | — | ◇ UNVERIFIED |
| CDCommercial Door | Pomona | CA | — | ◇ UNVERIFIED |
| CDCommercial Door & Hardware INC | Paducah | KY | — | ◇ UNVERIFIED |
| CDCommercial Door Manufacturing INC | Albuquerque | NM | — | ◇ UNVERIFIED |
| CDCommercial Door Products, INC. | Montgomery | AL | — | ◇ UNVERIFIED |
| CMCommercial Material and Door Supp INC Dba Comm Mill & Build Supp | Milpitas | CA | — | ◇ UNVERIFIED |
| CWCommercial Wood Products Co, INC | Adelanto | CA | — | ◇ UNVERIFIED |
| CDComplete Door Systems, INC. | Tucson | AZ | — | ◇ UNVERIFIED |
| CMComprehensive Mfg Svcs | Saint Louis | MO | — | ◇ UNVERIFIED |
| CFConcept Frames Incorporated | Newton | NC | — | ◇ UNVERIFIED |
| CSCondoors Security Wrought Iron | Fresno | CA | — | ◇ UNVERIFIED |
| CDConroe Door and Hardware INC. | Conroe | TX | — | ◇ UNVERIFIED |
| CDConsolidated Distribution Services, INC. | Allentown | PA | — | ◇ UNVERIFIED |
| CIContact Industries INC | Prineville | OR | — | ◇ UNVERIFIED |
| CCContech Construction Products INC | Ashland | KY | — | ◇ UNVERIFIED |
 Contech Engineered Solutions LLC | Pinellas Park | FL | — | ◇ UNVERIFIED |
| CWContinental Windows and Glass Corporation | Chicago | IL | — | ◇ UNVERIFIED |
| CDContractors Door and Millwork INC | Phoenix | AZ | — | ◇ UNVERIFIED |
| CWContractors Wardrobe | Valencia | CA | — | ◇ UNVERIFIED |
| CAControl Access Consultants, INC. | Sacramento | CA | — | ◇ UNVERIFIED |
| CWCoppa Woodworking INC | San Pedro | CA | — | ◇ UNVERIFIED |
| CICornell Iron Works, INC. | Mountain Top | PA | — | ◇ UNVERIFIED |
| CWCoronet Window Company | Kansas City | MO | — | ◇ UNVERIFIED |
| CECorporate Equity LLC | Salt Lake City | UT | — | ◇ UNVERIFIED |
