| CCaptiveaire | Englewood | OH | — | ◇ UNVERIFIED |
| CCaptiveaire | Redding | CA | — | ◇ UNVERIFIED |
| C3Captiveaire 360 Youngsville Addition | Youngsville | NC | — | ◇ UNVERIFIED |
| CBCaptiveaire Building 2 | Bedford | PA | — | ◇ UNVERIFIED |
| CGCaptive Grinding, LLC | Arlington | TX | — | ◇ UNVERIFIED |
| CPCaranci Performance Diesel LLC | Perry | OH | — | ◇ UNVERIFIED |
| CMCaravan Manufacturing Company | Los Alamitos | CA | — | ◇ UNVERIFIED |
| CTCarbaugh Tool CO. INC. | Elmira | NY | — | ◇ UNVERIFIED |
| CCCarbide Cutting Tools SC, Inc. | Taylors | SC | — | ◇ UNVERIFIED |
| CSCarbide Solutions LLC | Newington | CT | — | ◇ UNVERIFIED |
| CTCarbide Tool Services INC | Anoka | MN | — | ◇ UNVERIFIED |
| CTCarbide Tools for Industry INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| CPCarboline Premium Cutting Tools, INC | Pearland | TX | — | ◇ UNVERIFIED |
| CCCarbon Composites INC | Leominster | MA | — | ◇ UNVERIFIED |
| CCCarbondale Custom Metal Fabrication INC. | Carbondale | PA | — | ◇ UNVERIFIED |
| CICarbon, INC | Dixon | CA | — | ◇ UNVERIFIED |
| CICarbon, INC. | Santa Clara | CA | — | ◇ UNVERIFIED |
| CCarbsonly | Glendale | CA | — | ◇ UNVERIFIED |
| CUCarbures USA INC | Greenville | SC | — | ◇ UNVERIFIED |
| CCCardinal Comb Corporation | Leominster | MA | — | ◇ UNVERIFIED |
| CCCardinal Container Services, INC. | Lexington | NC | — | ◇ UNVERIFIED |
| CFCardinal Fastener, a Division of Fastenal Manufact | Houston | TX | — | ◇ UNVERIFIED |
 Cardinal Machine CO. | Strongsville | OH | — | ◇ UNVERIFIED |
| CNCardinal Novelty LLC | Rosedale | MD | — | ◇ UNVERIFIED |
| CSCardinal Sheet Metal INC | Riverside | CA | — | ◇ UNVERIFIED |
| CVCardinal Valley Manufacturing LLC | Warren | OH | — | ◇ UNVERIFIED |
| CGCaribe Ge Fabrication INC | Vega Alta | PR | — | ◇ UNVERIFIED |
 Carley Foundry INC - Pattern Shop | Blaine | MN | — | ◇ UNVERIFIED |
| CFCarl Fisher Co., INC. | Springfield | MA | — | ◇ UNVERIFIED |
| CMCarlin Manufacturing LLC | Fresno | CA | — | ◇ UNVERIFIED |
| CFCarlisle Food Service Prods | Oklahoma City | OK | — | ◇ UNVERIFIED |
| CFCarlisle Foodservice Products, Incorporated | Batavia | IL | — | ◇ UNVERIFIED |
| CFCarlisle Foodservice Products, Incorporated | Oklahoma City | OK | — | ◇ UNVERIFIED |
| CSCarli Suspenion INC | Lake Elsinore | CA | — | ◇ UNVERIFIED |
| CKCarl K. Gramberg | Oxnard | CA | — | ◇ UNVERIFIED |
| CGCarlos Gabriel Design | La Habra | CA | — | ◇ UNVERIFIED |
| CLCarlos Landazuri and Alma Landazuri | Victorville | CA | — | ◇ UNVERIFIED |
| CUCarlos Undercoating Sandblast | Seatac | WA | — | ◇ UNVERIFIED |
| CICarlson Industries INC | Forest Lake | MN | — | ◇ UNVERIFIED |
| CMCarlson Machine and Tool INC | Andover | MN | — | ◇ UNVERIFIED |
| CMCarlson Mechanical INC. | Signal Hill | CA | — | ◇ UNVERIFIED |
| CMCarlsons Manufacturing of Elk River INC | Elk River | MN | — | ◇ UNVERIFIED |
| CSCarlson Systems | Phoenix | AZ | — | ◇ UNVERIFIED |
| CTCarlson Tool & Manufacturing CORP | Cedarburg | WI | — | ◇ UNVERIFIED |
 Carlson Tool & Manufacturing CORP. | Mequon | WI | — | ◇ UNVERIFIED |
| CMCarlton-cooke Metal Finishing LLC | Asbury Park | NJ | — | ◇ UNVERIFIED |
| CZCarl Zapffe INC Aurora | Seattle | WA | — | ◇ UNVERIFIED |
| CECarnival Employment Services Dba Midwest Ii INC. | Ottawa Lake | MI | — | ◇ UNVERIFIED |
| CBCarolina Broach Company | Sumter | SC | — | ◇ UNVERIFIED |
| CFCarolina Finishing and Coating, LLC | Kings Mountain | NC | — | ◇ UNVERIFIED |
