| CWCanron Western Constructors INC | Portland | OR | — | ◇ UNVERIFIED |
| CPCantara Property | Southbridge | MA | — | ◇ UNVERIFIED |
| CCCape Cod Cupola Co, INC. | Dartmouth | MA | — | ◇ 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 |
| CMCapital Metal Works LLC | Sacramento | CA | — | ◇ UNVERIFIED |
| CSCapital Steel & Builders Supply INC | Holt | MI | — | ◇ UNVERIFIED |
| CSCapital Steel Products | Ontario | CA | — | ◇ UNVERIFIED |
| CSCapital Steel & Supply | Jefferson City | MO | — | ◇ UNVERIFIED |
| CWCapital Welding & Fabrication, INC. | Thibodaux | LA | — | ◇ UNVERIFIED |
| CICapitol Iron Works, INC. | Sacramento | CA | — | ◇ UNVERIFIED |
| CMCapitol Machine Company INC. | Jefferson City | MO | — | ◇ UNVERIFIED |
| CSCapitol Steel Fabricatiors INC | Fontana | CA | — | ◇ UNVERIFIED |
| CSCapitol Steel Fabricatiors INC | Commerce | CA | — | ◇ UNVERIFIED |
| CSCapitol Steel Products | Bakersfield | CA | — | ◇ UNVERIFIED |
| CSCapitol Steel Products a Division of Security | Sacramento | CA | — | ◇ UNVERIFIED |
| CCCapps Commercial Properties, LLC | Clackamas | OR | — | ◇ UNVERIFIED |
| CPC.a. Precision, INC. | Fort Lauderdale | FL | — | ◇ UNVERIFIED |
| CCaptiveaire | Redding | CA | — | ◇ UNVERIFIED |
| CCaptiveaire | Englewood | OH | — | ◇ UNVERIFIED |
| C3Captiveaire 360 Youngsville Addition | Youngsville | NC | — | ◇ UNVERIFIED |
| CBCaptiveaire Building 2 | Bedford | PA | — | ◇ UNVERIFIED |
 Captive-aire Systems, INC. | Slidell | LA | — | ◇ UNVERIFIED |
| CGCaptive Grinding, LLC | Arlington | TX | — | ◇ UNVERIFIED |
| CTCarbaugh Tool CO. INC. | Elmira | NY | — | ◇ UNVERIFIED |
| CCCarbide Cutting Tools SC, Inc. | Taylors | SC | — | ◇ UNVERIFIED |
| CTCarbide Tool Services INC | Anoka | MN | — | ◇ UNVERIFIED |
| CPCarboline Premium Cutting Tools, INC | Pearland | TX | — | ◇ UNVERIFIED |
| CCCarbondale Custom Metal Fabrication INC. | Carbondale | PA | — | ◇ UNVERIFIED |
| CICarbon, INC. | Santa Clara | CA | — | ◇ UNVERIFIED |
| CFCardinal Fastener, a Division of Fastenal Manufact | Houston | TX | — | ◇ 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 |
| CICarico INC. | Fredericksburg | VA | — | ◇ UNVERIFIED |
| CFCarl Fisher Co., INC. | Springfield | MA | — | ◇ UNVERIFIED |
| CKCarl K. Gramberg | Oxnard | CA | — | ◇ UNVERIFIED |
| CUCarlos Undercoating Sandblast | Seatac | WA | — | ◇ UNVERIFIED |
| CICarlson Industries INC | Forest Lake | MN | — | ◇ 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 |
| CHCarolina Handling INC | Charlotte | NC | — | ◇ UNVERIFIED |
| CLCarolina Laser Cutting, INC. | Greensboro | NC | — | ◇ UNVERIFIED |
| CMCarolina Mechanical Solutions LLC | Rocky Mount | NC | — | ◇ UNVERIFIED |
| CMCarol's Machine & Fabrication, Inc.* | Wharton | TX | — | ◇ UNVERIFIED |
| CACarp Associates | Pearl River | NY | — | ◇ UNVERIFIED |
| CRCarpenter's Roofing & Sheet Metal, INC. | West Palm Beach | FL | — | ◇ UNVERIFIED |
| CHCARR Holdings, LLC | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| CWCarrier Welding and Fabrication, LLC | Wilton | ME | — | ◇ UNVERIFIED |
| CDCarrillo Design Center | Oceanside | CA | — | ◇ UNVERIFIED |
| CLCarr Lane Drill Bushing CO. | Austin | TX | — | ◇ UNVERIFIED |
| CTCarroll Tool & Die CO | Macomb | MI | — | ◇ UNVERIFIED |
| CPCarro Price LLC | Marion | OH | — | ◇ UNVERIFIED |
| CCCarson City Plant #1 | Carson City | NV | — | ◇ UNVERIFIED |
| CCCarson City Plant #2 | Carson City | NV | — | ◇ UNVERIFIED |
| CHCarsten Holdings, LLC | Newton | KS | — | ◇ UNVERIFIED |
| CHCarsten Holdings, LLC | Newton | KS | — | ◇ UNVERIFIED |
| CACart Away Concrete Systems INC | Mcminnville | OR | — | ◇ UNVERIFIED |
| CICartel Industries LLC | Irvine | CA | — | ◇ UNVERIFIED |
| C2Carter 2 Systems INC | Hillsboro | OR | — | ◇ UNVERIFIED |
| CICarter Iron and Steel Company | Hampton | VA | — | ◇ UNVERIFIED |
| CLCarterJames LLC | Grand Haven | MI | — | ◇ UNVERIFIED |
| CLCartrust, LLC | Tampa | FL | — | ◇ UNVERIFIED |
| CWCart Works Company, INC. | Denver | CO | — | ◇ UNVERIFIED |
| CSCarver Sheet Metal Works, Inc. | Salt Lake City | UT | — | ◇ UNVERIFIED |
| CMCary Manufacturing INC | Blaine | MN | — | ◇ UNVERIFIED |
| CCCascade Coil Drapery INC | Tualatin | OR | — | ◇ UNVERIFIED |
| CCCascade Crane | Gig Harbor | WA | — | ◇ UNVERIFIED |
| CECascade Engineering Technologies INC | Milwaukie | OR | — | ◇ UNVERIFIED |
| CBCasco Bay Steel - Saco | Saco | ME | — | ◇ UNVERIFIED |
| CBCasco Bay Steel Structures, INC. | South Portland | ME | — | ◇ UNVERIFIED |
| CNCase New Holland | Burlington | IA | — | ◇ 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 |
| CPCast Pac, INC. | Allentown | PA | — | ◇ UNVERIFIED |
| CSCast Sheet Metal LLC | Bryan | TX | — | ◇ UNVERIFIED |
| CSCast Sheet Metal LLC | Mission | TX | — | ◇ UNVERIFIED |
| CTCasward Tool Works | Chicago | IL | — | ◇ UNVERIFIED |
| CDCaswell Design Build Corporation | Emeryville | CA | — | ◇ UNVERIFIED |
| CTCatalina Tool & Mold | Tucson | AZ | — | ◇ UNVERIFIED |
| CACatalyst Artificial Lift | Humboldt | KS | — | ◇ UNVERIFIED |
| CSCataract Steel Industries Pa, INC. | Mckeesport | PA | — | ◇ UNVERIFIED |
| CICateck, INC. | Saint Peters | MO | — | ◇ UNVERIFIED |
| CMCate Machine & Welding, INC | Belleville | WI | — | ◇ UNVERIFIED |
| CCaterpillar | Montgomery | IL | — | ◇ UNVERIFIED |
| CICaterpillar INC | East Peoria | IL | — | ◇ UNVERIFIED |
| CICaterpillar INC | Fountain Inn | SC | — | ◇ UNVERIFIED |
| CICaterpillar INC | Vista | CA | — | ◇ UNVERIFIED |
| CICaterpillar INC. | Victoria | TX | — | ◇ UNVERIFIED |
| CICaterpillar, INC. | East Peoria | IL | — | ◇ UNVERIFIED |
| CICaterpillar, INC. | San Antonio | TX | — | ◇ UNVERIFIED |
