| CAC and H Enterprises | Fremont | CA | — | ◇ UNVERIFIED |
 C and S Precision Machine LLC | Tempe | AZ | — | ◇ UNVERIFIED |
| CTCannon Tool Company | Canonsburg | PA | — | ◇ UNVERIFIED |
| CPCanopies Plus, INC. | Eufaula | OK | — | ◇ UNVERIFIED |
| CAC a Picard INC | Perham | MN | — | ◇ UNVERIFIED |
| CCCapital City Culvert Corporation | Madison | WI | — | ◇ UNVERIFIED |
| CCCapital CNC LLC | Kyle | TX | — | ◇ UNVERIFIED |
| CHCapital Heights Iron Works, LLC | Capitol Heights | MD | — | ◇ UNVERIFIED |
| CSCapital Steel Products | Ontario | CA | — | ◇ UNVERIFIED |
| CMCapitol Machine Company INC. | Jefferson City | MO | — | ◇ UNVERIFIED |
| CSCapitol Steel Fabricatiors INC | Fontana | CA | — | ◇ UNVERIFIED |
| CSCapitol Steel Products | Bakersfield | CA | — | ◇ UNVERIFIED |
| CSCapitol Steel Products a Division of Security | Sacramento | CA | — | ◇ UNVERIFIED |
| CPC.a. Precision, INC. | Fort Lauderdale | FL | — | ◇ UNVERIFIED |
| CCaptiveaire | Englewood | OH | — | ◇ UNVERIFIED |
| CCaptiveaire | Redding | CA | — | ◇ UNVERIFIED |
| C3Captiveaire 360 Youngsville Addition | Youngsville | NC | — | ◇ UNVERIFIED |
| CTCarbaugh Tool CO. INC. | Elmira | NY | — | ◇ UNVERIFIED |
| CTCarbide Tool Services INC | Anoka | MN | — | ◇ UNVERIFIED |
| CCCarbondale Custom Metal Fabrication INC. | Carbondale | PA | — | ◇ UNVERIFIED |
 Cardinal Machine CO. | Strongsville | OH | — | ◇ UNVERIFIED |
| CSCardinal Sheet Metal INC | Riverside | CA | — | ◇ UNVERIFIED |
| CTCardinal Tank (ctc) Cbt Boiler CORP (cbt) | New York | NY | — | ◇ UNVERIFIED |
| CVCardinal Valley Manufacturing LLC | Warren | OH | — | ◇ UNVERIFIED |
| CICarfaro, INC. | Trenton | NJ | — | ◇ UNVERIFIED |
| CGCaribe Ge Fabrication INC | Vega Alta | PR | — | ◇ UNVERIFIED |
| CFCarl Fisher Co., INC. | Springfield | MA | — | ◇ UNVERIFIED |
| CKCarl K. Gramberg | Oxnard | CA | — | ◇ UNVERIFIED |
| CMCarlsons Manufacturing of Elk River INC | Elk River | MN | — | ◇ UNVERIFIED |
| CMCarol's Machine & Fabrication, Inc.* | Wharton | TX | — | ◇ UNVERIFIED |
| CRCarpenter's Roofing & Sheet Metal, INC. | West Palm Beach | FL | — | ◇ UNVERIFIED |
| CHCARR Holdings, LLC | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| CDCarrillo Design Center | Oceanside | CA | — | ◇ UNVERIFIED |
| CHCarsten Holdings, LLC | Newton | KS | — | ◇ UNVERIFIED |
| CICartel Industries LLC | Irvine | CA | — | ◇ UNVERIFIED |
| CLCarterJames LLC | Grand Haven | MI | — | ◇ UNVERIFIED |
| CLCartrust, LLC | Tampa | FL | — | ◇ UNVERIFIED |
| CSCarver Sheet Metal Works, Inc. | Salt Lake City | UT | — | ◇ UNVERIFIED |
| CMCary Manufacturing INC | Blaine | MN | — | ◇ UNVERIFIED |
| CCCascade Coil Drapery INC | Tualatin | OR | — | ◇ UNVERIFIED |
| CECascade Engineering Technologies INC | Milwaukie | OR | — | ◇ UNVERIFIED |
| CFCasper Facilities | Natrona County | WY | — | ◇ UNVERIFIED |
| CMCaspersen Machining CORP | De Forest | WI | — | ◇ UNVERIFIED |
| CACaspian Arms LTD | Wolcott | VT | — | ◇ UNVERIFIED |
| CICastle Industries INC. of Ca. | Ontario | CA | — | ◇ UNVERIFIED |
| CDCaswell Design Build Corporation | Emeryville | CA | — | ◇ UNVERIFIED |
| CACatalyst Artificial Lift | Humboldt | KS | — | ◇ UNVERIFIED |
| CMCate Machine & Welding, INC | Belleville | WI | — | ◇ UNVERIFIED |
| CICaterpillar, INC. | San Antonio | TX | — | ◇ UNVERIFIED |
| CTC.a. Tooling | Lynchburg | VA | — | ◇ UNVERIFIED |
| CMCave Manufacturing, INC. | Brattleboro | VT | — | ◇ UNVERIFIED |
| CCCavok Capital, LLC | Palm Harbor | FL | — | ◇ UNVERIFIED |
| CICavotec Inet US INC. | Cypress | CA | — | ◇ UNVERIFIED |
| CIC-axis INC. | Maple Plain | MN | — | ◇ UNVERIFIED |
| CPC-axis Pr, INC. | Barrio Canabon, Caguas | PR | — | ◇ UNVERIFIED |
| CMC.B. Machine & Tool Corp. | Addison | IL | — | ◇ UNVERIFIED |
| CMCb Manufacturing and Sales Company, INC. | West Carrollton | OH | — | ◇ UNVERIFIED |
| CBC.b.s Boring and Machine Company, INC. | Defiance | OH | — | ◇ UNVERIFIED |
| CTCbs Tool, Incorporated | Shelby Township | MI | — | ◇ UNVERIFIED |
| CSCb Strain & Son INC. | Tarrytown | NY | — | ◇ UNVERIFIED |
| CBC & B Welders, INC. | Chicago | IL | — | ◇ UNVERIFIED |
| CFC&c Fabrication, INC. | Carrollton | GA | — | ◇ UNVERIFIED |
| CICcv Ii LLC | Shamong | NJ | — | ◇ UNVERIFIED |
| CDC & D Metal Products, INC. | Thornton | CO | — | ◇ UNVERIFIED |
| CRCedar Rock Holdings, LLC | Lenoir | NC | — | ◇ UNVERIFIED |
| CEC E Holden | Cheswick | PA | — | ◇ UNVERIFIED |
| CPCelestica Precision Machining Lt | Fremont | CA | — | ◇ UNVERIFIED |
| CPCelestica Precision Machining Lt | Fremont | CA | — | ◇ UNVERIFIED |
| CPCelestica Precision Machining LTD | Santa Clara | CA | — | ◇ UNVERIFIED |
| CEC & E Lund Machining LLC | Huntsville | UT | — | ◇ UNVERIFIED |
| CCCencal Construction Services INC. | Turlock | CA | — | ◇ UNVERIFIED |
| CICentek INC / Centek Facility | Oklahoma City | OK | — | ◇ UNVERIFIED |
 Centerline Machine Company, INC. | Beverly | MA | — | ◇ UNVERIFIED |
| Centerline Machine Works, INC. | Sparks | NV | — | ◇ UNVERIFIED |
| CMCenterline Machining & Manufacturing LLC | Two Rivers | WI | — | ◇ UNVERIFIED |
| CPCenterline Prefab LLC | Grand Rapids | MI | — | ◇ UNVERIFIED |
| CSCenter Sheet Metal, INC. | Brooklyn | NY | — | ◇ UNVERIFIED |
| CMCenterville Machine & Pattern | Centerville | TN | — | ◇ UNVERIFIED |
| CMCenterville Manufacturing LLC | Centerville | SD | — | ◇ UNVERIFIED |
| CACentral Automotive Supply Incorporated | Woodbine | KY | — | ◇ UNVERIFIED |
| CCCentral Cal Metals | Fresno | CA | — | ◇ UNVERIFIED |
| CCCentral Connecticut Tank Fabrication & Truck Repair, LLC | Meriden | CT | — | ◇ UNVERIFIED |
| CFCentral Florida Metals AND Central FL Metals, LLC | Orlando | FL | — | ◇ UNVERIFIED |
| CFCentral Florida Sales and Services, INC. | Auburndale | FL | — | ◇ UNVERIFIED |
| CKCentral Kentucky Industrial INC | Richmond | KY | — | ◇ UNVERIFIED |
| CMCentral Machine Inc. | Waukesha | WI | — | ◇ UNVERIFIED |
| CMCentral Machine Limited Liability Company | Waite Park | MN | — | ◇ UNVERIFIED |
| CMCentral Machine Shop | Natchez | MS | — | ◇ UNVERIFIED |
| CMCentral Machine Works | Prichard | AL | — | ◇ UNVERIFIED |
| CMCentral Machining INC | Carlinville | IL | — | ◇ UNVERIFIED |
| CMCentral Manufacturing CORP. | Marshfield | WI | — | ◇ UNVERIFIED |
| COCentral Ohio Sheet Metal Company | Reynoldsburg | OH | — | ◇ UNVERIFIED |
| CSCentral Sheet Metal, LLC | Seminole | OK | — | ◇ UNVERIFIED |
| CSCentral Sheet Metal, LLC | Wichita Falls | TX | — | ◇ UNVERIFIED |
| CSCentral Sheet Metal Products, INC. | Skokie | IL | — | ◇ UNVERIFIED |
| CSCentral State Enterprises INC | Galion | OH | — | ◇ UNVERIFIED |
| CSCentral States Machining & Welding, INC. | Topeka | KS | — | ◇ UNVERIFIED |
| CSCentral States Manufacturing, INC. | Hartford | SD | — | ◇ UNVERIFIED |
| CUCentral Utah Tool INC | Provo | UT | — | ◇ UNVERIFIED |
| CWCentral Wisconsin Flex | Weston | WI | — | ◇ UNVERIFIED |
