| CGChampagne Grinding and Manufacturing, Inc. | Canton | MI | — | ◇ UNVERIFIED |
| CIChampion Ironworks Incorporated | Berryville | VA | — | ◇ UNVERIFIED |
| CMChamtek Mfg., INC. | Rochester | NY | — | ◇ UNVERIFIED |
| CAChan and Sons LLC | Seattle | WA | — | ◇ UNVERIFIED |
 Chancey Metals Ramonda Blvd Facility | Jacksonville | FL | — | ◇ UNVERIFIED |
 Chandler Industries - Blaine | Blaine | MN | — | ◇ UNVERIFIED |
| Chandler Industries INC | Montevideo | MN | — | ◇ UNVERIFIED |
| Chandler Industries INC | Bethel | MN | — | ◇ UNVERIFIED |
| Chandler Industries INC Lake Country Division | Long Prairie | MN | — | ◇ UNVERIFIED |
| Chandler Industries INC Stremel Division | Minneapolis | MN | — | ◇ UNVERIFIED |
| CMChandler Machine Shop INC | Chandler | MN | — | ◇ UNVERIFIED |
| CFChannelview Facility | Houston | TX | — | ◇ UNVERIFIED |
| CMChanute Manufacturing, a Division of Optimus CORP. | Chanute | KS | — | ◇ UNVERIFIED |
| CCChappell Central Inc- Mfg Division | Willmar | MN | — | ◇ UNVERIFIED |
| CMCharian Machine | Clearwater | FL | — | ◇ UNVERIFIED |
| CBCharles Buckalew | Williamsport | PA | — | ◇ UNVERIFIED |
| CMCharles Machine, INC. | Summerville | PA | — | ◇ UNVERIFIED |
| CMCharleston Marine Containers INC | North Charleston | SC | — | ◇ UNVERIFIED |
| CLCharley's LP Truck CORP. | Orlando | FL | — | ◇ UNVERIFIED |
| CNCharlie Nguyen an Individual | San Jose | CA | — | ◇ UNVERIFIED |
| CWCharlie's Welding, INC. | Tiffin | IA | — | ◇ UNVERIFIED |
| CWCharps Welding & Fabricating INC | Clearbrook | MN | — | ◇ UNVERIFIED |
| CIChart INC | Fremont | CA | — | ◇ UNVERIFIED |
| CIChart Industries, LLC | Troy | NY | — | ◇ UNVERIFIED |
| CGChassix Ga Machining | Columbus | GA | — | ◇ UNVERIFIED |
| CBChattanooga Boiler & Tank | Chattanooga | TN | — | ◇ UNVERIFIED |
| CWCheckpoint Welding - Fabrication INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| CPCheetah Precision INC | Saint Paul | MN | — | ◇ UNVERIFIED |
| CWChenoa Welding & Fabrication, INC. | Chenoa | IL | — | ◇ UNVERIFIED |
| CACherokee Architectural Metals | Broken Arrow | OK | — | ◇ UNVERIFIED |
| CHCherry Hill Fabrication | Curtis Bay | MD | — | ◇ UNVERIFIED |
| CECherrytree Enterprises INC | Kansas City | KS | — | ◇ UNVERIFIED |
| CWChewelah Welding and Machine I | Chewelah | WA | — | ◇ UNVERIFIED |
| CBChicago Blow Pipe Company | Marquette | MI | — | ◇ UNVERIFIED |
| CMChicago Metal Polishing | Chicago | IL | — | ◇ UNVERIFIED |
| CMCHICAGO METAL POLISHING, Inc. | Chicago | IL | — | ◇ UNVERIFIED |
| CTChicago Tube and Iron Company | Locust | NC | — | ◇ UNVERIFIED |
| CEChickasaw Energy Solutions | Marietta | OK | — | ◇ UNVERIFIED |
| CMChickasha Manufacturing | Chickasha | OK | — | ◇ UNVERIFIED |
| CMChi Manufacturing, INC. | Englewood | CO | — | ◇ UNVERIFIED |
| CIChipmatic, Inc. | Elmore | OH | — | ◇ 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 |
| CPChoice Precision Machine INC. | Whitehall | PA | — | ◇ UNVERIFIED |
| CRChris Reeve Knives | Boise | ID | — | ◇ UNVERIFIED |
| CWChristian W K Metal Works | Bristol | TN | — | ◇ 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 |
| CFCianbro Fab & Coating CORP (bangor) | Bangor | ME | — | ◇ UNVERIFIED |
| CPCic Precision Machining | Golden | CO | — | ◇ UNVERIFIED |
| CCCii Cobb Industrial, INC. | Arlington | TX | — | ◇ 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 |
| CPCirello Property LLC | Mineral Wells | TX | — | ◇ UNVERIFIED |
| CSCitory Solutions, LLC | Saint Cloud | FL | — | ◇ UNVERIFIED |
| CCCives Corporation - Augusta | Augusta | ME | — | ◇ UNVERIFIED |
| CECivic Enterprises INC | West Monroe | LA | — | ◇ UNVERIFIED |
 C&J Industries Inc. | Kent | WA | — | ◇ UNVERIFIED |
| CJC & J Machine & Tool Company | Monett | MO | — | ◇ UNVERIFIED |
| CMC&j Metal Products | Paramount | CA | — | ◇ UNVERIFIED |
| CPCj Products, INC. | Weston | WV | — | ◇ UNVERIFIED |
| CWC&j Welding and Fabricating, INC | Smyrna | GA | — | ◇ 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 |
| CSCK Supply, LLC | Jal | NM | — | ◇ UNVERIFIED |
| CCClabber Creek Closet Co. | Mchenry | IL | — | ◇ UNVERIFIED |
| CSCladding Systems, INC | Tampa | FL | — | ◇ UNVERIFIED |
| CIClad Industries LLC | Macedon | NY | — | ◇ UNVERIFIED |
| CIClamp It Coping LLC | Springville | UT | — | ◇ UNVERIFIED |
| CIClapac INC Dba Classic Precision | Wixom | MI | — | ◇ UNVERIFIED |
| CAClarke's Allied INC. | Shreveport | LA | — | ◇ UNVERIFIED |
| CPClark Pacific Dba Pacific Embedded Products | Fontana | CA | — | ◇ UNVERIFIED |
| CSClark Substations L L C | Calera | AL | — | ◇ UNVERIFIED |
| CWClark Welding and Fabricating, INC. | Frederick | MD | — | ◇ UNVERIFIED |
| CAClass Act Machined Products INC | Creswell | OR | — | ◇ UNVERIFIED |
| CGClassic Gutter Systems LLC | Galesburg | MI | — | ◇ UNVERIFIED |
| CMClassic Machine INC | Osseo | MN | — | ◇ 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 |
| CSClermont Steel Fabricating, LLC | Batavia | OH | — | ◇ UNVERIFIED |
| CMCleveland Manufacturing CO | Sweetwater | TN | — | ◇ UNVERIFIED |
| CYCleveland Yutaka Corporation | Shelby | NC | — | ◇ UNVERIFIED |
| CMClifco Metal Mfg. INC | Roy | UT | — | ◇ UNVERIFIED |
| CSClifco Sheet Metal Manufacturing LLC | Portland | OR | — | ◇ UNVERIFIED |
| CKCliff Koppe Metals | Kelso | WA | — | ◇ UNVERIFIED |
| CCClimate Control CO | Morgantown | WV | — | ◇ UNVERIFIED |
