| CUCarlos Undercoating Sandblast | Seatac | WA | — | ◇ UNVERIFIED |
| CICarlson Industries INC | Forest Lake | MN | — | ◇ UNVERIFIED |
| CMCarlson Machine and Tool INC | Andover | MN | — | ◇ UNVERIFIED |
| CMCarlsons Manufacturing of Elk River INC | Elk River | MN | — | ◇ UNVERIFIED |
 Carlson Tool & Manufacturing CORP. | Mequon | WI | — | ◇ UNVERIFIED |
| CLCarolina Laser Cutting, INC. | Greensboro | NC | — | ◇ UNVERIFIED |
| CMCarol's Machine & Fabrication, Inc.* | Wharton | TX | — | ◇ UNVERIFIED |
| CHCARR Holdings, LLC | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| CDCarrillo Design Center | Oceanside | CA | — | ◇ UNVERIFIED |
| CCCarson City Plant #1 | Carson City | NV | — | ◇ UNVERIFIED |
| CCCarson City Plant #2 | Carson City | NV | — | ◇ UNVERIFIED |
| CTCarson Tool & Mold, INC. | Kennesaw | GA | — | ◇ UNVERIFIED |
| CHCarsten Holdings, LLC | Newton | KS | — | ◇ UNVERIFIED |
| C2Carter 2 Systems INC | Hillsboro | OR | — | ◇ UNVERIFIED |
| CLCarterJames LLC | Grand Haven | MI | — | ◇ UNVERIFIED |
| CWCart Works Company, INC. | Denver | CO | — | ◇ UNVERIFIED |
| CMCary Manufacturing INC | Blaine | MN | — | ◇ UNVERIFIED |
| CECascade Engineering Technologies INC | Milwaukie | OR | — | ◇ UNVERIFIED |
| CCCase Corporation - Racine Foundry Plant | Racine | WI | — | ◇ UNVERIFIED |
| CFCasper Facilities | Natrona County | WY | — | ◇ UNVERIFIED |
| CMCaspersen Machining CORP | De Forest | WI | — | ◇ UNVERIFIED |
| CACaspian Arms LTD | Wolcott | VT | — | ◇ UNVERIFIED |
| CICast Industries LLC | Albany | MN | — | ◇ UNVERIFIED |
| CTCasward Tool Works | Chicago | IL | — | ◇ UNVERIFIED |
| CACatalyst Artificial Lift | Humboldt | KS | — | ◇ UNVERIFIED |
| CMCate Machine & Welding, INC | Belleville | WI | — | ◇ UNVERIFIED |
| CICaterpillar INC. | Mapleton | IL | — | ◇ UNVERIFIED |
| CTC.a. Tooling | Lynchburg | VA | — | ◇ UNVERIFIED |
| CCCavok Capital, LLC | Palm Harbor | FL | — | ◇ UNVERIFIED |
| CMC.B. Machine & Tool Corp. | Addison | IL | — | ◇ UNVERIFIED |
| CMCb Manufacturing and Sales Company, INC. | West Carrollton | OH | — | ◇ UNVERIFIED |
| CBC.b.s Boring and Machine Company, INC. | Defiance | OH | — | ◇ UNVERIFIED |
| CBC & B Welders, INC. | Chicago | IL | — | ◇ UNVERIFIED |
| CCC & C Manufacturing CORP. | Englewood | CO | — | ◇ UNVERIFIED |
| CICcv Ii LLC | Shamong | NJ | — | ◇ UNVERIFIED |
| CDC & D Manufacturing LLC | Lexington | KY | — | ◇ UNVERIFIED |
| CSCdr Strainers & Filters INC | Brookshire | TX | — | ◇ UNVERIFIED |
| CECedar Enterprises INC | Bristol | TN | — | ◇ 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 |
| CICelestial Iron Works | Lawrence | KS | — | ◇ UNVERIFIED |
| CCCelestica Corporation | Rochester | MN | — | ◇ UNVERIFIED |
| CICelestica INC. Dba D & H Mfg. CO. | Fremont | CA | — | ◇ UNVERIFIED |
| CPCelestica Precision Machining Lt | Fremont | CA | — | ◇ UNVERIFIED |
| CPCelestica Precision Machining Lt | Fremont | CA | — | ◇ UNVERIFIED |
| CPCelestica Precision Machining LTD | Santa Clara | CA | — | ◇ UNVERIFIED |
| CCCencal Construction Services INC. | Turlock | CA | — | ◇ UNVERIFIED |
| CDCenterline Design & Fabrication Incorporated | South Milwaukee | WI | — | ◇ UNVERIFIED |
 Centerline Machine Company, INC. | Beverly | MA | — | ◇ UNVERIFIED |
