| CWCart Works Company, INC. | Denver | CO | — | ◇ UNVERIFIED |
| CSCarver Sheet Metal Works, Inc. | Salt Lake City | UT | — | ◇ UNVERIFIED |
| CBCasco Bay Steel - Saco | Saco | ME | — | ◇ UNVERIFIED |
| CBCasco Bay Steel Structures, INC. | South Portland | ME | — | ◇ UNVERIFIED |
| CICastle Industries INC. of Ca. | Ontario | CA | — | ◇ UNVERIFIED |
| CPCast Pac, INC. | Allentown | PA | — | ◇ UNVERIFIED |
| CSCast Sheet Metal LLC | Mission | TX | — | ◇ UNVERIFIED |
| CSCast Sheet Metal LLC | Bryan | TX | — | ◇ UNVERIFIED |
| CTCasward Tool Works | Chicago | IL | — | ◇ UNVERIFIED |
| CSCataract Steel Industries Pa, INC. | Mckeesport | PA | — | ◇ UNVERIFIED |
| CICateck, INC. | Saint Peters | MO | — | ◇ UNVERIFIED |
| CICavotec Inet US INC. | Cypress | CA | — | ◇ UNVERIFIED |
| CICb & I | Clearfield | UT | — | ◇ UNVERIFIED |
| CCb&i | Lake Charles | LA | — | ◇ UNVERIFIED |
| CECb&i El Dorado | El Dorado | AR | — | ◇ UNVERIFIED |
| CBC & B Piping (w), INC. | Leeds | AL | — | ◇ UNVERIFIED |
| CSCb Strain & Son INC. | Tarrytown | NY | — | ◇ UNVERIFIED |
| CFC&c Fabrication, INC. | Carrollton | GA | — | ◇ UNVERIFIED |
| CCC & C Fabricators, INC. | Dacula | GA | — | ◇ UNVERIFIED |
| CCC C Ironworks LLC | New Middletown | OH | — | ◇ UNVERIFIED |
| CCC & C Manufacturing CORP. | Englewood | CO | — | ◇ UNVERIFIED |
| CDC & D Manufacturing LLC | Lexington | KY | — | ◇ UNVERIFIED |
| CDC & D Metal Products, INC. | Thornton | CO | — | ◇ UNVERIFIED |
| CSCdr Strainers & Filters INC | Brookshire | TX | — | ◇ UNVERIFIED |
| CECedar Enterprises INC | Bristol | TN | — | ◇ UNVERIFIED |
| CRCedar Rock Holdings, LLC | Lenoir | NC | — | ◇ UNVERIFIED |
| CHCedars Holding CORP INC | Thief River Falls | MN | — | ◇ UNVERIFIED |
| CWCedar Welding and Fabrication INC. | Cedar City | UT | — | ◇ UNVERIFIED |
| CMCeit Mfg INC | Granite Falls | MN | — | ◇ UNVERIFIED |
| CCCelestica Corporation | Rochester | MN | — | ◇ UNVERIFIED |
| CICelestica INC. Dba D & H Mfg. CO. | Fremont | CA | — | ◇ UNVERIFIED |
| CMCencal Machine CO INC | Bakersfield | CA | — | ◇ UNVERIFIED |
| CRCentech Rebar LLC | San Bernardino | CA | — | ◇ UNVERIFIED |
| CICentek INC / Centek Facility | Oklahoma City | OK | — | ◇ UNVERIFIED |
| CDCenterline Design & Fabrication Incorporated | South Milwaukee | WI | — | ◇ UNVERIFIED |
| CPCenterline Prefab LLC | Grand Rapids | MI | — | ◇ UNVERIFIED |
| CTCenterline Tool & Engineering, INC. | Bradenton | FL | — | ◇ UNVERIFIED |
| CMCenter Mfg Plt 5 | Wayland | MI | — | ◇ UNVERIFIED |
| CSCenter Sheet Metal, INC. | Brooklyn | NY | — | ◇ UNVERIFIED |
| CMCenterville Manufacturing LLC | Centerville | SD | — | ◇ UNVERIFIED |
| CCCentral Cal Metals | Fresno | CA | — | ◇ UNVERIFIED |
| CCCentral Carolina Sprinkler INC. | Lincolnton | NC | — | ◇ UNVERIFIED |
| CCCentral Coast Designs, Inc. | Hillsdale | MI | — | ◇ UNVERIFIED |
| CFCentral Florida Metals AND Central FL Metals, LLC | Orlando | FL | — | ◇ UNVERIFIED |
| CICentral Illinios Steel Company | Guntersville | AL | — | ◇ UNVERIFIED |
| CKCentral Kentucky Industrial INC | Richmond | KY | — | ◇ UNVERIFIED |
 Central Metal Fabricators, INC. | Miami | FL | — | ◇ UNVERIFIED |
| CMCentral Minnesota Fabricating INC | Willmar | MN | — | ◇ UNVERIFIED |
| COCentral Ohio Sheet Metal Company | Reynoldsburg | OH | — | ◇ UNVERIFIED |
| CSCentral Sheet Metal, LLC | Seminole | OK | — | ◇ UNVERIFIED |
