| CRChicago Rivet & Mach/tyrone Plt | Tyrone | PA | — | ◇ UNVERIFIED |
| CEChickasaw Energy Solutions | Marietta | OK | — | ◇ UNVERIFIED |
| CMChickasha Manufacturing | Chickasha | OK | — | ◇ UNVERIFIED |
| CIChico Ironworks INC | Chico | CA | — | ◇ UNVERIFIED |
| CSChico Scrap Metal | Durham | CA | — | ◇ UNVERIFIED |
| CUChico Unified School District | Chico | CA | — | ◇ UNVERIFIED |
| CMChi Manufacturing, INC. | Englewood | CO | — | ◇ UNVERIFIED |
| CIChipmatic, Inc. | Elmore | OH | — | ◇ UNVERIFIED |
| CTChisholm Trail Metal Works, LLC | Ninnekah | OK | — | ◇ UNVERIFIED |
 Chism Machine and Gage INC | Walnut Grove | KY | — | ◇ UNVERIFIED |
| CHC. H. Kirkpatrick & Sons Welding Service, INC. | Cartersville | GA | — | ◇ UNVERIFIED |
| CMC&h Machine | San Dimas | CA | — | ◇ UNVERIFIED |
| CSChoctaw Soldiers Industries, INC. | Tulsa | OK | — | ◇ UNVERIFIED |
| CPChoice Precision Machine INC. | Whitehall | PA | — | ◇ UNVERIFIED |
| CFChris French Metal INC | Oakland | CA | — | ◇ UNVERIFIED |
| CPChris Property Service INC | Greenville | SC | — | ◇ UNVERIFIED |
| CRChris Reeve Knives | Boise | ID | — | ◇ UNVERIFIED |
| CChristiansburgweld | Christiansburg | VA | — | ◇ UNVERIFIED |
| CWChristian W K Metal Works | Bristol | TN | — | ◇ UNVERIFIED |
| CBChristopher B. Ernster | Grafton | WI | — | ◇ UNVERIFIED |
| CCChristopher C. Burton | Mentor | OH | — | ◇ UNVERIFIED |
| CRChristopher Ray Stilson | Port Allegany | PA | — | ◇ UNVERIFIED |
| CBChurch Brother LLC | Holtville | CA | — | ◇ UNVERIFIED |
| CMChurchmen's Machine Company | Wilmington | DE | — | ◇ UNVERIFIED |
| CIChutes International | Waldorf | MD | — | ◇ UNVERIFIED |
| CSChute Stop CO INC | Eugene | OR | — | ◇ UNVERIFIED |
| CPCic Precision Machining | Golden | CO | — | ◇ UNVERIFIED |
| CCCii Cobb Industrial, INC. | Arlington | TX | — | ◇ UNVERIFIED |
| CDCimarron Development, INC. | Las Vegas | NV | — | ◇ UNVERIFIED |
| CCinao | Moraine | OH | — | ◇ UNVERIFIED |
| CICinco Iron Works INC | Ontario | CA | — | ◇ UNVERIFIED |
| CICinex, INC. | Cincinnati | OH | — | ◇ UNVERIFIED |
| CICIP Industries, LLC | Panama City | FL | — | ◇ UNVERIFIED |
| CCCircl Cm Holdings, INC. | Gilberts | IL | — | ◇ UNVERIFIED |
| CHCircle H Welding & Fabrication, INC. | Seale | AL | — | ◇ UNVERIFIED |
| CICirclemaster, INC | Santee | CA | — | ◇ UNVERIFIED |
| CSCircular Stairs INC | Little Neck | NY | — | ◇ UNVERIFIED |
| CPCirello Property LLC | Mineral Wells | TX | — | ◇ UNVERIFIED |
| CSCitory Solutions, LLC | Saint Cloud | FL | — | ◇ UNVERIFIED |
| CICity Ironsmith, Corporation | Brooklyn | NY | — | ◇ UNVERIFIED |
| CCCives Corporation - Augusta | Augusta | ME | — | ◇ UNVERIFIED |
| CECivic Enterprises INC | West Monroe | LA | — | ◇ UNVERIFIED |
| CEC&j Electronics | National City | CA | — | ◇ UNVERIFIED |
| CEC&J Endeavors, LLC | Rialto | CA | — | ◇ UNVERIFIED |
| CICj INC | Detroit Lakes | MN | — | ◇ UNVERIFIED |
 C&J Industries Inc. | Kent | WA | — | ◇ UNVERIFIED |
| CJC & J Machine & Tool Company | Monett | MO | — | ◇ UNVERIFIED |
| CJC & J Manufacturer | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| CCCJM Capital Inc. | Anderson | SC | — | ◇ UNVERIFIED |
| CMC&j Metal Products | Paramount | CA | — | ◇ UNVERIFIED |
| CMCjp Metal Fabrication LLC | Batavia | OH | — | ◇ UNVERIFIED |
| CPCj Products, INC. | Weston | WV | — | ◇ UNVERIFIED |
| CWC&j Welding and Fabricating, INC | Smyrna | GA | — | ◇ UNVERIFIED |
| CKC. K. Bud Myers Engineering INC | Cudahy | CA | — | ◇ UNVERIFIED |
| CMCkc Manufacturing INC | River Falls | WI | — | ◇ UNVERIFIED |
| CCCk & Company of Oregon INC | Salem | OR | — | ◇ UNVERIFIED |
| CKC K Johnson Industries | Arcata | CA | — | ◇ UNVERIFIED |
| CICkkm INC | Corona | CA | — | ◇ UNVERIFIED |
| CPC&k Printing INC | Des Moines | IA | — | ◇ UNVERIFIED |
| CCClabber Creek Closet Co. | Mchenry | IL | — | ◇ UNVERIFIED |
| CMClackamas Metal Works LLC | Portland | OR | — | ◇ UNVERIFIED |
| CSCladding Systems, INC | Tampa | FL | — | ◇ UNVERIFIED |
| CIClad Industries LLC | Macedon | NY | — | ◇ UNVERIFIED |
| CCladtec | Longview | TX | — | ◇ UNVERIFIED |
| CIClamp It Coping LLC | Springville | UT | — | ◇ UNVERIFIED |
| CIClapac INC Dba Classic Precision | Wixom | MI | — | ◇ UNVERIFIED |
| CLClarios LLC | Tampa | FL | — | ◇ UNVERIFIED |
| CDClark Dietrich Building Systems | Woodland | CA | — | ◇ UNVERIFIED |
| CEClark Engineering CO | Spring Valley | CA | — | ◇ UNVERIFIED |
| CEClark Equipment Company | Litchfield | MN | — | ◇ UNVERIFIED |
| CEClark Equipment Company | Gwinner | ND | — | ◇ UNVERIFIED |
| CPClark Pacific Dba Pacific Embedded Products | Fontana | CA | — | ◇ UNVERIFIED |
| CSClark Substations L L C | Calera | AL | — | ◇ UNVERIFIED |
| CTClark Technology Systems INC. | Milton | PA | — | ◇ UNVERIFIED |
| CWClark Welding and Fabricating, INC. | Frederick | MD | — | ◇ UNVERIFIED |
| CIClarus INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| C5Class 5 Capital Investments, LLC | Arlington | TX | — | ◇ UNVERIFIED |
| CAClass Act Machined Products INC | Creswell | OR | — | ◇ UNVERIFIED |
| CAClassic Auto & Body Repair Shop LLC | Buena Park | CA | — | ◇ UNVERIFIED |
| CGClassic Gutter Systems LLC | Galesburg | MI | — | ◇ UNVERIFIED |
| CIClassic Iron Works LLC | Hubbard | OR | — | ◇ UNVERIFIED |
| CMClassic Machine INC | Osseo | MN | — | ◇ UNVERIFIED |
| CMClassic Metals | Denver | CO | — | ◇ UNVERIFIED |
| CMClassic Metalworks LLC | Hull | GA | — | ◇ UNVERIFIED |
| CMClassic Metalworks, LLC | Nicholson | GA | — | ◇ UNVERIFIED |
| CMClassic Metalworks, LLC | Athens | GA | — | ◇ UNVERIFIED |
| CSClassic Sheet Metal, INC. | Franklin Park | IL | — | ◇ UNVERIFIED |
| CIClausen Industries INC | Eugene | OR | — | ◇ UNVERIFIED |
| CFClayton Fabrication and Metal Works INC. | Sikeston | MO | — | ◇ UNVERIFIED |
| CCClear Creek Industries INC | Saint Marys | PA | — | ◇ UNVERIFIED |
| CIClearmotion INC | Billerica | MA | — | ◇ UNVERIFIED |
| CMCleasby Manufacturing CO | San Francisco | CA | — | ◇ UNVERIFIED |
| CSClegg Steel | Salt Lake City | UT | — | ◇ UNVERIFIED |
| CEClemenson Enterprises INC Dba Cei | Brooklyn Park | MN | — | ◇ UNVERIFIED |
| CEC&l Engineering | Buena Park | CA | — | ◇ UNVERIFIED |
| CSClermont Steel Fabricating, LLC | Batavia | OH | — | ◇ UNVERIFIED |
| CMCleveland Manufacturing CO | Sweetwater | TN | — | ◇ UNVERIFIED |
 Cleveland Tank & Supply, INC. | Cleveland | OH | — | ◇ UNVERIFIED |
| CYCleveland Yutaka Corporation | Shelby | NC | — | ◇ UNVERIFIED |
| CLC L Hann Ind | San Jose | CA | — | ◇ UNVERIFIED |
