| BABullard Abrasive Products | Westborough | MA | — | ◇ UNVERIFIED |
| BIBulldog Industries, INC. | Knightdale | NC | — | ◇ UNVERIFIED |
| BIBulldog Industries, INC. | Knightdale | NC | — | ◇ UNVERIFIED |
| BIBulldog Industries, INC. | Knightdale | NC | — | ◇ UNVERIFIED |
| BIBunch INC | Kings Mountain | NC | — | ◇ UNVERIFIED |
| BLBunker, LLC | Sault Sainte Marie | MI | — | ◇ UNVERIFIED |
 Burdine-anderson Corporation | Rabbit Hash | KY | — | ◇ UNVERIFIED |
| BMBurgett Metal Works | Coweta | OK | — | ◇ UNVERIFIED |
| BSBurks & Sons Metal Fabrication | Milton | FL | — | ◇ UNVERIFIED |
| BNBurnham & Northern Inc | Coldwater | MI | — | ◇ UNVERIFIED |
| BRBurns Rod Welding LLC | Suttons Bay | MI | — | ◇ UNVERIFIED |
| BIBurtman Iron Works | Boston | MA | — | ◇ UNVERIFIED |
| BFBusbar Fabricators, LLC. | Fort Smith | AR | — | ◇ UNVERIFIED |
| BCBway Corporation | Sturtevant | WI | — | ◇ UNVERIFIED |
| BFBWC Fabrication | Rancho Cordova | CA | — | ◇ UNVERIFIED |
| BSBws Specialty Fabrication INC. | Springville | NY | — | ◇ UNVERIFIED |
| CIC23 Investments LLC | Weston | WI | — | ◇ UNVERIFIED |
| CSCadet Sheet Metal, INC. | Denver | CO | — | ◇ UNVERIFIED |
| CCCajon CO Aurora | Aurora | OH | — | ◇ UNVERIFIED |
| CDCalhoun Design and Metalworks | Atlanta | GA | — | ◇ UNVERIFIED |
| CRCaliber Range CORP | Huntington Beach | CA | — | ◇ UNVERIFIED |
| CECalifornia Expanded Metal Products CORP | City of Industry | CA | — | ◇ UNVERIFIED |
| CECallac Enterprises LLC | Portland | OR | — | ◇ UNVERIFIED |
| CACalumet Armature & Electric LLC | Riverdale | IL | — | ◇ UNVERIFIED |
| CICalvin Industries, LLC | Skiatook | OK | — | ◇ UNVERIFIED |
| CCCambria Csd Water Dept. - Richard Street | Cambria | CA | — | ◇ UNVERIFIED |
| CICameron International CORP | Ville Platte | LA | — | ◇ UNVERIFIED |
| CLCam's Lighting and Signs INC. | Madison | OH | — | ◇ UNVERIFIED |
| CMCanaan Machine and Tool | Mount Union | IA | — | ◇ UNVERIFIED |
| CECannon Equipment | Cannon Falls | MN | — | ◇ UNVERIFIED |
| CECannon Equipment | Rosemount | MN | — | ◇ UNVERIFIED |
| CICannon Industries INC. | Rochester | NY | — | ◇ UNVERIFIED |
| CSCannon Safe INC | San Bernardino | CA | — | ◇ UNVERIFIED |
| CSCannon Safe, INC. | San Bernardino | CA | — | ◇ UNVERIFIED |
| CPCantara Property | Southbridge | MA | — | ◇ UNVERIFIED |
| CCCape Cod Cupola Co, INC. | Dartmouth | MA | — | ◇ UNVERIFIED |
| CMCapital Metal Works LLC | Sacramento | CA | — | ◇ UNVERIFIED |
| CCCapps Commercial Properties, LLC | Clackamas | OR | — | ◇ UNVERIFIED |
| CBCaptiveaire Building 2 | Bedford | PA | — | ◇ UNVERIFIED |
| CTCaptiveaire Truck Staging Parking Area | Bedford | PA | — | ◇ UNVERIFIED |
| CCCarbide Cutting Tools SC, Inc. | Taylors | SC | — | ◇ UNVERIFIED |
| CPCarboline Premium Cutting Tools, INC | Pearland | TX | — | ◇ UNVERIFIED |
| CICarboloy INC | Warren | MI | — | ◇ UNVERIFIED |
| CUCarlos Undercoating Sandblast | Seatac | WA | — | ◇ UNVERIFIED |
| CICarlson Industries INC | Forest Lake | MN | — | ◇ UNVERIFIED |
 Carlson Tool & Manufacturing CORP. | Mequon | WI | — | ◇ UNVERIFIED |
| CLCarolina Laser Cutting, INC. | Greensboro | NC | — | ◇ UNVERIFIED |
| CCCarson City Plant #1 | Carson City | NV | — | ◇ UNVERIFIED |
| CCCarson City Plant #2 | Carson City | NV | — | ◇ UNVERIFIED |
| C2Carter 2 Systems INC | Hillsboro | OR | — | ◇ UNVERIFIED |
| CWCart Works Company, INC. | Denver | CO | — | ◇ UNVERIFIED |
| CTCasward Tool Works | Chicago | IL | — | ◇ UNVERIFIED |
| CCC & C Manufacturing CORP. | Englewood | CO | — | ◇ UNVERIFIED |
| CDC & D Manufacturing LLC | Lexington | KY | — | ◇ UNVERIFIED |
| CSCdr Strainers & Filters INC | Brookshire | TX | — | ◇ UNVERIFIED |
| CECedar Enterprises INC | Bristol | TN | — | ◇ UNVERIFIED |
| CHCedars Holding CORP INC | Thief River Falls | MN | — | ◇ UNVERIFIED |
| CWCedar Welding and Fabrication INC. | Cedar City | UT | — | ◇ UNVERIFIED |
| 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 |
