| CCCarbide Cutting Tools SC, Inc. | Taylors | SC | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CPCarboline Premium Cutting Tools, INC | Pearland | TX | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CUCarlos Undercoating Sandblast | Seatac | WA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CICarlson Industries INC | Forest Lake | MN | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
 Carlson Tool & Manufacturing CORP. | Mequon | WI | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CCCarson City Plant #2 | Carson City | NV | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CWCart Works Company, INC. | Denver | CO | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CTCasward Tool Works | Chicago | IL | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CCC & C Manufacturing CORP. | Englewood | CO | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CDC & D Manufacturing LLC | Lexington | KY | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CSCdr Strainers & Filters INC | Brookshire | TX | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CECedar Enterprises INC | Bristol | TN | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CHCedars Holding CORP INC | Thief River Falls | MN | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CWCedar Welding and Fabrication INC. | Cedar City | UT | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CMCeit Mfg INC | Granite Falls | MN | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CCCelestica Corporation | Rochester | MN | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CICelestica INC. Dba D & H Mfg. CO. | Fremont | CA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CDCenterline Design & Fabrication Incorporated | South Milwaukee | WI | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CTCenterline Tool & Engineering, INC. | Bradenton | FL | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CCCentral Coast Designs, Inc. | Hillsdale | MI | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CCCentury Corrosion Technologies | Houston | TX | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CICentury Instrument & Machine Co., INC. | Houston | TX | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CMCentury Mfg Industries, INC. | Las Vegas | NV | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CSCertified Stainless Service Dba Westmark | Atwater | CA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CWCfc Wire Forms, INC | Batavia | IL | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| CMChallenge Machine and Fabrication, INC. | Humble | TX | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CSChampion Safe CO. INC. | Provo | UT | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
 Chandler Industries, INC. | Littleton | CO | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CMChannel Manufacturing INC. | Port Washington | NY | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CFCharter Foundry CO INC | Huntington Park | CA | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| CChassix | Port Huron | MI | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CPChatsworth Products INC | Chatsworth | CA | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| CMChattanooga Machine & Fabricators, INC. | Hixson | TN | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CPCHDR Properties, LLC | Winfield | MO | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CDChemistry Design Werks LLC | St Paul | MN | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
 Cherokee Nation Red Wing, LLC | Tulsa | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CTChisholm Trail Metal Works, LLC | Ninnekah | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CSChoctaw Soldiers Industries, INC. | Tulsa | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CChristiansburgweld | Christiansburg | VA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CEC&j Electronics | National City | CA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CJC & J Manufacturer | Santa Fe Springs | CA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CMCjp Metal Fabrication LLC | Batavia | OH | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CTClark Technology Systems INC. | Milton | PA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CMClassic Metalworks LLC | Hull | GA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CMClassic Metalworks, LLC | Nicholson | GA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CMClassic Metalworks, LLC | Athens | GA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CEClemenson Enterprises INC Dba Cei | Brooklyn Park | MN | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CLC L Hann Ind | San Jose | CA | Fabricated Metal Product Manufacturing332117 | — | ◇ UNVERIFIED |
| CBCliflex Bellows Corporation | Boston | MA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CMClineCo Metal LLC | Molalla | OR | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
