| CTCast-fab Technologies, INC. | Cincinnati | OH | — | ◇ UNVERIFIED |
| CICasting Impregnators INC | Franklin Park | IL | — | ◇ UNVERIFIED |
| CUCastings USA INC | New Philadelphia | OH | — | ◇ UNVERIFIED |
 Cast Technologies INC. | Peoria | IL | — | ◇ UNVERIFIED |
| CPCastwell Products INC | Skokie | IL | — | ◇ UNVERIFIED |
| CPCasual Patio | Clearwater | FL | — | ◇ UNVERIFIED |
| CCCatalina Composites | Garden Grove | CA | — | ◇ UNVERIFIED |
| CYCatalina Yachts INC | Woodland Hills | CA | — | ◇ UNVERIFIED |
| CCCatalytic Combustion | Bloomer | WI | — | ◇ UNVERIFIED |
| CSCatalytic Solutions, INC. | Oxnard | CA | — | ◇ UNVERIFIED |
| CCaterpillar | Clayton | NC | — | ◇ UNVERIFIED |
| CCaterpillar (cat) | Gillette | WY | — | ◇ UNVERIFIED |
| CECaterpillar Emissions Solutions INC | Santa Fe | NM | — | ◇ UNVERIFIED |
| CFCaterpillar Forestry Products | Owatonna | MN | — | ◇ UNVERIFIED |
| CGCaterpillar Global Mining | South Milwaukee | WI | — | ◇ UNVERIFIED |
| CGCaterpillar Global Mining Amer Llc/houston | Houston | PA | — | ◇ UNVERIFIED |
| CGCaterpillar Global Mining - Highwall Miners LLC | Beckley | WV | — | ◇ UNVERIFIED |
| CGCaterpillar Global Mining - North of Rawson | South Milwaukee | WI | — | ◇ UNVERIFIED |
| CICaterpillar INC | Peoria | IL | — | ◇ UNVERIFIED |
| CICaterpillar INC | Peoria | IL | — | ◇ UNVERIFIED |
| CICaterpillar INC | Mossville | IL | — | ◇ UNVERIFIED |
| CICaterpillar INC | Danville | KY | — | ◇ UNVERIFIED |
| CICaterpillar INC | Joliet | IL | — | ◇ UNVERIFIED |
| CICaterpillar INC. | Jacksonville | FL | — | ◇ UNVERIFIED |
| CICaterpillar, INC. | Thomasville | GA | — | ◇ UNVERIFIED |
| CICaterpillar INC Forest Products | Lagrange | GA | — | ◇ UNVERIFIED |
| CICaterpillar Inc- Peoria Proving Ground | East Peoria | IL | — | ◇ UNVERIFIED |
| CICaterpillar INC Seals Metalcasting Facility | Toccoa | GA | — | ◇ UNVERIFIED |
| CPCaterpillar Paving Products INC | New Ulm | MN | — | ◇ UNVERIFIED |
| CRCaterpillar Reman Powertrain Indiana, INC | Franklin | IN | — | ◇ UNVERIFIED |
| CTCaterpillar Tractor CO | Pontiac | IL | — | ◇ UNVERIFIED |
 C & a Tool Engineering INC. | Churubusco | IN | — | ◇ UNVERIFIED |
| CBCavo Build Design | Gloucester City | NJ | — | ◇ UNVERIFIED |
| CFCb Finishing | Seattle | WA | — | ◇ UNVERIFIED |
| CSCbi Services INC | Bourbonnais | IL | — | ◇ UNVERIFIED |
| CWCb&i Water/warren Facility | Warren | PA | — | ◇ UNVERIFIED |
| CMC-brite Metal Finishing INC | Harbor City | CA | — | ◇ UNVERIFIED |
| CGCcc Group | San Antonio | TX | — | ◇ UNVERIFIED |
| CCC & C Coating | Kings Mountain | NC | — | ◇ UNVERIFIED |
| CCC & C Fabrication, LLC | Lanett | AL | — | ◇ UNVERIFIED |
| CCC & C Fiberglass Components | Bristol | RI | — | ◇ UNVERIFIED |
| CCC & C Iron Incorporated | Merrillville | IN | — | ◇ UNVERIFIED |
| CMC&c Machining INC | Centerville | IA | — | ◇ UNVERIFIED |
| CCC & C Rhode Island | Providence | RI | — | ◇ UNVERIFIED |
| CICdex Inc-cdex INC | Pacific | MO | — | ◇ UNVERIFIED |
| CDC Dory Marine | Monroe | WA | — | ◇ UNVERIFIED |
| CDC & D Precision Compents INC | Pasadena | CA | — | ◇ UNVERIFIED |
| CDC & D Welding & Fabrication INC | Jonesville | MI | — | ◇ UNVERIFIED |
| CSCedar Siding & Lumber INC | Rochelle | IL | — | ◇ UNVERIFIED |
| CVCedar Valley CORP LLC | Des Moines | IA | — | ◇ UNVERIFIED |
| CDCed Dba 3e | Des Moines | IA | — | ◇ UNVERIFIED |
| CMCeh Metal Technologies Longmont Division | Longmont | CO | — | ◇ UNVERIFIED |
| CLCelco LLC (stormwater) | Anthony | KS | — | ◇ UNVERIFIED |
| CMC-e Minerals Plant 6 | Andersonville | GA | — | ◇ UNVERIFIED |
| CCCemline CORP | Cheswick | PA | — | ◇ UNVERIFIED |
| COCenla Oilfield Fabricators LLC | Bunkie | LA | — | ◇ UNVERIFIED |
| CICentek INC | Oklahoma City | OK | — | ◇ UNVERIFIED |
| CTCentennial Technologies INC | Saginaw | MI | — | ◇ UNVERIFIED |
| CRCenterless Rebuilders INC | New Haven | MI | — | ◇ UNVERIFIED |
| CMCenter Manufacturing Company | Bellevue | OH | — | ◇ UNVERIFIED |
| CDCentral Denver Iron Works, INC | Denver | CO | — | ◇ UNVERIFIED |
| CECentral Electric Company LLC | Fulton | MO | — | ◇ UNVERIFIED |
| CFCentral Florida Custom Trailers, INC. | Orlando | FL | — | ◇ UNVERIFIED |
| CFCentral Florida Plating INC | Merritt Island | FL | — | ◇ UNVERIFIED |
| CHCentral Hydraulics INC | East Freedom | PA | — | ◇ UNVERIFIED |
| CICentral Illinois Ag | Farmer City | IL | — | ◇ UNVERIFIED |
| CLCentral Livestock Equipment | Hutchinson | KS | — | ◇ UNVERIFIED |
| CMCentral Machine Shop | Pinckneyville | IL | — | ◇ UNVERIFIED |
| CMCentral Metal Finishing INC | Windham | NH | — | ◇ UNVERIFIED |
| CMCentral Moloney, LLC - Tooling Plant | Redfield | AR | — | ◇ UNVERIFIED |
| CCentria | Ambridge | PA | — | ◇ UNVERIFIED |
| CTCentrilift Tulsa | Tulsa | OK | — | ◇ UNVERIFIED |
| CBCentury Boat CO | Panama City | FL | — | ◇ UNVERIFIED |
| CBCentury Boat Company, INC. | Panama City | FL | — | ◇ UNVERIFIED |
| CCCenturylink Communications LLC | Boston | MA | — | ◇ UNVERIFIED |
| CPCentury Parts INC | Torrance | CA | — | ◇ UNVERIFIED |
| CTCentury Ty-wood Manufacturing INC | Holliston | MA | — | ◇ UNVERIFIED |
| CTCeramic Technology | Cedar Bluff | VA | — | ◇ UNVERIFIED |
| CCerapedics | Westminster | CO | — | ◇ UNVERIFIED |
| CUCeratizit Usa, INC. | Warren | MI | — | ◇ UNVERIFIED |
| CUCeratizit Usa/latrobe Plt | Latrobe | PA | — | ◇ UNVERIFIED |
| CECertified Equip & Mfg CO | Springfield | IL | — | ◇ UNVERIFIED |
| CFCertified Fabricators INC | Buena Park | CA | — | ◇ UNVERIFIED |
| CFCertified Factory Wheel | Madison Heights | MI | — | ◇ UNVERIFIED |
| CMCertified Metal Craft | El Cajon | CA | — | ◇ UNVERIFIED |
| CPCertified Packaging CORP | North Chicago | IL | — | ◇ UNVERIFIED |
| CRCff Recycling USA / 100 N Bath | Oklahoma City | OK | — | ◇ UNVERIFIED |
| CICf Industries, INC. - Peru Terminal | Peru | IL | — | ◇ UNVERIFIED |
| CICf Industries Sales - Seneca Terminal | Seneca | IL | — | ◇ UNVERIFIED |
| CHCfm Harris Systems INC | Lincolnwood | IL | — | ◇ UNVERIFIED |
| CSCgb St Louis Shipyard | Saint Louis | MO | — | ◇ UNVERIFIED |
| CEChalgren Enterprises INC | Gilroy | CA | — | ◇ UNVERIFIED |
| CMChallenge Mfg-3 Mile | Walker | MI | — | ◇ UNVERIFIED |
| CMChallenge Mfg-fruitridge | Walker | MI | — | ◇ UNVERIFIED |
| CMChampagne Metals | South Charleston | WV | — | ◇ UNVERIFIED |
| CPChampaign Park District | Champaign | IL | — | ◇ UNVERIFIED |
| CEChampion Environmental Services INC | Saint Charles | IL | — | ◇ UNVERIFIED |
| CHChampion Home Builders - Arkansas City (w Madison Ave) | Arkansas City | KS | — | ◇ UNVERIFIED |
| CLChampion Laboratories INC | York | SC | — | ◇ UNVERIFIED |
| CLChampionx LLC | Mount Carmel | IL | — | ◇ UNVERIFIED |
