| CMCeit Mfg INC | Granite Falls | MN | — | ◇ UNVERIFIED |
| CCCelestica Corporation | Rochester | MN | — | ◇ UNVERIFIED |
| CICelestica INC. Dba D & H Mfg. CO. | Fremont | CA | — | ◇ UNVERIFIED |
| CDCenterline Design & Fabrication Incorporated | South Milwaukee | WI | — | ◇ UNVERIFIED |
| CTCenterline Tool & Engineering, INC. | Bradenton | FL | — | ◇ UNVERIFIED |
| CMCenter Manufacturing Company | Bellevue | OH | — | ◇ UNVERIFIED |
| CMCenter Mfg Plt 5 | Wayland | MI | — | ◇ UNVERIFIED |
| CCCentral Coast Designs, Inc. | Hillsdale | MI | — | ◇ UNVERIFIED |
| CCCentury Corrosion Technologies | Houston | TX | — | ◇ UNVERIFIED |
| CICentury Instrument & Machine Co., INC. | Houston | TX | — | ◇ UNVERIFIED |
| CMCentury Mfg Industries, INC. | Las Vegas | NV | — | ◇ UNVERIFIED |
| CFCertified Fabricators INC | Buena Park | CA | — | ◇ UNVERIFIED |
| CSCertified Stainless Service Dba Westmark | Atwater | CA | — | ◇ UNVERIFIED |
| CWCfc Wire Forms, INC | Batavia | IL | — | ◇ UNVERIFIED |
| CMChallenge Machine and Fabrication, INC. | Humble | TX | — | ◇ UNVERIFIED |
| CLChallenger Lifts New Assembly | Louisville | KY | — | ◇ UNVERIFIED |
| CSChampion Safe CO. INC. | Provo | UT | — | ◇ UNVERIFIED |
| CTChampion Tool Storage | Hood River | OR | — | ◇ UNVERIFIED |
| CMChancey Metal Products, INC. | Jacksonville | FL | — | ◇ UNVERIFIED |
 Chancey Metals LLC Annex | Jacksonville | FL | — | ◇ UNVERIFIED |
 Chandler Industries, INC. | Littleton | CO | — | ◇ UNVERIFIED |
| CMChannel Manufacturing INC. | Port Washington | NY | — | ◇ UNVERIFIED |
| CFCharter Foundry CO INC | Huntington Park | CA | — | ◇ UNVERIFIED |
| CChassix | Port Huron | MI | — | ◇ UNVERIFIED |
| CPChatsworth Products INC | Chatsworth | CA | — | ◇ UNVERIFIED |
| CMChattanooga Machine & Fabricators, INC. | Hixson | TN | — | ◇ UNVERIFIED |
| CPCHDR Properties, LLC | Winfield | MO | — | ◇ UNVERIFIED |
| CDChemistry Design Werks LLC | St Paul | MN | — | ◇ UNVERIFIED |
 Cherokee Nation Red Wing, LLC | Tulsa | OK | — | ◇ UNVERIFIED |
 Chief Industries INC Chief Transportation Products | Omaha | NE | — | ◇ UNVERIFIED |
| CTChisholm Trail Metal Works, LLC | Ninnekah | OK | — | ◇ UNVERIFIED |
| CSChoctaw Soldiers Industries, INC. | Tulsa | OK | — | ◇ UNVERIFIED |
| CChristiansburgweld | Christiansburg | VA | — | ◇ UNVERIFIED |
| CEC&j Electronics | National City | CA | — | ◇ UNVERIFIED |
| CICj INC | Detroit Lakes | MN | — | ◇ UNVERIFIED |
| CJC & J Manufacturer | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| CMCjp Metal Fabrication LLC | Batavia | OH | — | ◇ UNVERIFIED |
| CMClackamas Metal Works LLC | Portland | OR | — | ◇ UNVERIFIED |
| CLClarios LLC | Tampa | FL | — | ◇ UNVERIFIED |
| CTClark Technology Systems INC. | Milton | PA | — | ◇ UNVERIFIED |
| CIClassic Iron Works LLC | Hubbard | OR | — | ◇ UNVERIFIED |
| CMClassic Metalworks LLC | Hull | GA | — | ◇ UNVERIFIED |
| CMClassic Metalworks, LLC | Nicholson | GA | — | ◇ UNVERIFIED |
| CMClassic Metalworks, LLC | Athens | GA | — | ◇ UNVERIFIED |
| CEClemenson Enterprises INC Dba Cei | Brooklyn Park | MN | — | ◇ UNVERIFIED |
| CLC L Hann Ind | San Jose | CA | — | ◇ UNVERIFIED |
| CBCliflex Bellows Corporation | Boston | MA | — | ◇ UNVERIFIED |
| CMClineCo Metal LLC | Molalla | OR | — | ◇ UNVERIFIED |
| CWCline's Welding and Fabrication, INC. | Mableton | GA | — | ◇ UNVERIFIED |
| CMC. Mayo, INC. | Fayetteville | AR | — | ◇ UNVERIFIED |
