| CBCC Bernhardt LL | Red Lodge | MT | — | ◇ UNVERIFIED |
| CFC&c Fabrication, INC. | Carrollton | GA | — | ◇ UNVERIFIED |
| CCC & C Fabricators, INC. | Dacula | GA | — | ◇ UNVERIFIED |
| CCC & C Fiberglass INC | Nappanee | IN | — | ◇ UNVERIFIED |
| CCC C Ironworks LLC | New Middletown | OH | — | ◇ UNVERIFIED |
| CCCdf Corporation | Plymouth | MA | — | ◇ UNVERIFIED |
| CDC & D Metal Products, INC. | Thornton | CO | — | ◇ UNVERIFIED |
| CPCd Polytech INC | Houston | TX | — | ◇ UNVERIFIED |
| CSCdr Sys CORP | Menlo Park | CA | — | ◇ UNVERIFIED |
| CSCdr Systems Corporation | Ormond Beach | FL | — | ◇ UNVERIFIED |
| CICebo Industries LLC Dba Aeropro Holdings LLC | Newport | TN | — | ◇ UNVERIFIED |
| CRCedar Ridge Industries LLC | Chehalis | WA | — | ◇ UNVERIFIED |
| CRCedar Rock Holdings, LLC | Lenoir | NC | — | ◇ UNVERIFIED |
| CPCellcon Plastics | Saegertown | PA | — | ◇ UNVERIFIED |
| CCCell-o-core CO. | Wadsworth | OH | — | ◇ UNVERIFIED |
| CCCell-o-core Company | Sharon Center | OH | — | ◇ UNVERIFIED |
| CNCellofoam North America | Whiteland | IN | — | ◇ UNVERIFIED |
| CNCellofoam North America INC. | Fredericksburg | VA | — | ◇ UNVERIFIED |
| CACem and Associates / Flow Pro | Berthoud | CO | — | ◇ UNVERIFIED |
| CMCencal Machine CO INC | Bakersfield | CA | — | ◇ UNVERIFIED |
| CPCentech Plastics INC. | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| CRCentech Rebar LLC | San Bernardino | CA | — | ◇ UNVERIFIED |
| CICentek INC / Centek Facility | Oklahoma City | OK | — | ◇ UNVERIFIED |
| CPCenterline Prefab LLC | Grand Rapids | MI | — | ◇ UNVERIFIED |
| CSCenter Sheet Metal, INC. | Brooklyn | NY | — | ◇ UNVERIFIED |
| CMCenterville Manufacturing LLC | Centerville | SD | — | ◇ UNVERIFIED |
| CCentor | Millersburg | OH | — | ◇ UNVERIFIED |
| CCCentral Cal Metals | Fresno | CA | — | ◇ UNVERIFIED |
| CCCentral Carolina Products, INC. | Green Level | NC | — | ◇ UNVERIFIED |
| CCCentral Carolina Sprinkler INC. | Lincolnton | NC | — | ◇ UNVERIFIED |
| CFCentral Florida Metals AND Central FL Metals, LLC | Orlando | FL | — | ◇ UNVERIFIED |
| CICentral Illinios Steel Company | Guntersville | AL | — | ◇ UNVERIFIED |
| CKCentral Kentucky Industrial INC | Richmond | KY | — | ◇ UNVERIFIED |
 Central Metal Fabricators, INC. | Miami | FL | — | ◇ UNVERIFIED |
| CMCentral Minnesota Fabricating INC | Willmar | MN | — | ◇ UNVERIFIED |
| CMCentral Missouri Plastics LLC | Lees Summit | MO | — | ◇ UNVERIFIED |
| CMCentral Missouri Plastics, LLC | Kansas City | MO | — | ◇ UNVERIFIED |
| COCentral Ohio Sheet Metal Company | Reynoldsburg | OH | — | ◇ UNVERIFIED |
| CPCentral Plastics & Manufacturing | Tracy | CA | — | ◇ UNVERIFIED |
| CSCentral Sheet Metal, LLC | Wichita Falls | TX | — | ◇ UNVERIFIED |
| CSCentral Sheet Metal, LLC | Seminole | OK | — | ◇ UNVERIFIED |
| CSCentral Sheet Metal Products, INC. | Skokie | IL | — | ◇ UNVERIFIED |
| CSCentral States Manufacturing, INC. | Hartford | SD | — | ◇ UNVERIFIED |
| CSCentral Steel & Ornamental Supply CO | Los Angeles | CA | — | ◇ UNVERIFIED |
| CTCentral Texas Express Metalwork, LLC | San Antonio | TX | — | ◇ UNVERIFIED |
| CVCentral Valley Fabricators | Stockton | CA | — | ◇ UNVERIFIED |
| CWCentral Welding & Machine LLC | Hutchinson | KS | — | ◇ UNVERIFIED |
| CWCentral Wire & Iron Works INC | Saint Louis | MO | — | ◇ UNVERIFIED |
| CWCentral Wisconsin Flex | Weston | WI | — | ◇ UNVERIFIED |
| CPCentrex Plastics, LLC | Tiffin | OH | — | ◇ UNVERIFIED |
| CCCentrite Corporation | Bowling Green | OH | — | ◇ UNVERIFIED |
| CICentro, INC. | Horicon | WI | — | ◇ UNVERIFIED |
| CICenturion Industries INC | Garrett | IN | — | ◇ UNVERIFIED |
| CMCentury Metals & Supplies, INC. | Miami Gardens | FL | — | ◇ UNVERIFIED |
| CMCentury Molded Plastics, INC. | Glenview | IL | — | ◇ UNVERIFIED |
| CPCentury Plastics & Engineering INC | Longmont | CO | — | ◇ UNVERIFIED |
| CPCentury Plastics - Molding INC | Simpsonville | SC | — | ◇ UNVERIFIED |
| CSCentury Steel Products, INC. | Sterling | VA | — | ◇ UNVERIFIED |
| CICeo, INC. | Sapulpa | OK | — | ◇ UNVERIFIED |
| CLCepc, LLC | Pittsburgh | PA | — | ◇ UNVERIFIED |
| CLCepheid Lodi LLC | Lodi | CA | — | ◇ UNVERIFIED |
| CPCep Panels, INC. | Weissport | PA | — | ◇ UNVERIFIED |
| CCCerta Craft, Inc. | Indianapolis | IN | — | ◇ UNVERIFIED |
| CTCertain Teed INC | Orem | UT | — | ◇ UNVERIFIED |
| CICerti-fab Industries, INC. | Crosby | TX | — | ◇ UNVERIFIED |
| CPCesany Plastics, INC. | Oakland Park | FL | — | ◇ UNVERIFIED |
| CICew INC | Bakersfield | CA | — | ◇ UNVERIFIED |
| CMCfc Manufacturing Co., INC. | Carbondale | PA | — | ◇ UNVERIFIED |
| CMC.f. Maier Composites, INC. | Golden | CO | — | ◇ UNVERIFIED |
| CHCfm Heating & Air Conditioning INC | Ogden | UT | — | ◇ UNVERIFIED |
| CFC F Plastics INC | Hillsboro | OR | — | ◇ UNVERIFIED |
| CFCfw Fabricators | Bradenton | FL | — | ◇ UNVERIFIED |
| CICgk INC Dba Paradise Steel | South El Monte | CA | — | ◇ UNVERIFIED |
| CICgk INC Dba Premier Steel Fabrication | South El Monte | CA | — | ◇ UNVERIFIED |
| CGC & G Machine | Granby | MA | — | ◇ UNVERIFIED |
| CUCgt U.s. Limited | New Braunfels | TX | — | ◇ UNVERIFIED |
| CIChadwick International INC. | Fairfax | VA | — | ◇ UNVERIFIED |
| CMChadwick Manufacturing, LTD. | Chadwick | IL | — | ◇ UNVERIFIED |
| CPChallenge Plastics | Edinburgh | IN | — | ◇ UNVERIFIED |
| CLChallenger Lifts INC | Louisville | KY | — | ◇ UNVERIFIED |
| CTChamco Tools | Kansas City | MO | — | ◇ UNVERIFIED |
| CEChamfer Engineering INC | Brooklyn Park | MN | — | ◇ UNVERIFIED |
| CHChampion Home Builders INC Dba Highland Mfg | Worthington | MN | — | ◇ UNVERIFIED |
| CHChampion Homes Building Additions 2023 | Decatur | IN | — | ◇ UNVERIFIED |
| CIChampion Ironworks Incorporated | Berryville | VA | — | ◇ UNVERIFIED |
| CWChampion Window Manufacturing & Supply CO LLC | Cincinnati | OH | — | ◇ UNVERIFIED |
| COChance One LLC | Blackwood | NJ | — | ◇ UNVERIFIED |
| COChance One LLC | Brooklyn | NY | — | ◇ UNVERIFIED |
 Chancey Metals Ramonda Blvd Facility | Jacksonville | FL | — | ◇ UNVERIFIED |
 Chandler Industries INC Stremel Division | Minneapolis | MN | — | ◇ UNVERIFIED |
| CWChanlar Wire Products INC | La Verne | CA | — | ◇ UNVERIFIED |
| CCChannell Commercial Corporation | Murrieta | CA | — | ◇ UNVERIFIED |
| CFChannelview Facility | Houston | TX | — | ◇ UNVERIFIED |
| CWCharles W. Thomas, INC. | Philadelphia | PA | — | ◇ UNVERIFIED |
| CLCharley's LP Truck CORP. | Orlando | FL | — | ◇ UNVERIFIED |
| CIChart Industries, LLC | Troy | NY | — | ◇ UNVERIFIED |
| CIChase Industries INC | Redmond | OR | — | ◇ UNVERIFIED |
| CFChautauqua Fiberglass & Plastics INC | Woods Cross | UT | — | ◇ UNVERIFIED |
| CWCheckpoint Welding - Fabrication INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| CWChenoa Welding & Fabrication, INC. | Chenoa | IL | — | ◇ UNVERIFIED |
