| CCCrystal Crk Ceramic Tile | Dallas | TX | — | ◇ UNVERIFIED |
| CFCrystal Fusion Technologies | Lindenhurst | NY | — | ◇ UNVERIFIED |
| CLCrystal Lake Citgo | Crystal Lake | IL | — | ◇ UNVERIFIED |
| CLCrystal Lake Facility | Crystal Lake | IL | — | ◇ UNVERIFIED |
| CLCrystal Lake Quik Shop | Crystal Lake | IL | — | ◇ UNVERIFIED |
| CMCrystal Mark INC | Glendale | CA | — | ◇ UNVERIFIED |
| CVCrystal Valley Decorating INC | Lebanon | OR | — | ◇ UNVERIFIED |
| CCCs Carburators | San Bernardino | CA | — | ◇ UNVERIFIED |
| CIC.s.c INC | Tuttle | OK | — | ◇ UNVERIFIED |
| CCCs Concrete INC | Union City | CA | — | ◇ UNVERIFIED |
| CDCS Dallas Investments LLC | Dallas | TX | — | ◇ UNVERIFIED |
| CFCS Fabworks & Design, LLC | Saint Clair | MO | — | ◇ UNVERIFIED |
| CSC Six Corporation | Cleveland | AL | — | ◇ UNVERIFIED |
| CLCSM Leasing, LLC | Ham Lake | MN | — | ◇ UNVERIFIED |
| CMCsn Mfg INC | Grand Rapids | MI | — | ◇ UNVERIFIED |
| CSC & S Tedder Enterprise, LLC | Fort Smith | AR | — | ◇ UNVERIFIED |
| CSC & S Tool & Die, LLC | New Haven | MO | — | ◇ UNVERIFIED |
| CSC & S Tool & Machine, LLC | Trenton | GA | — | ◇ UNVERIFIED |
| CICsx Intermodal Terminal INC | Bedford Park | IL | — | ◇ UNVERIFIED |
| CRCsx Rail Transport | East Saint Louis | IL | — | ◇ UNVERIFIED |
| CTCsx Transportation | Danville | IL | — | ◇ UNVERIFIED |
| CTCsx Transportation | Danville | IL | — | ◇ UNVERIFIED |
| CMCt3 Manufacturing INC | Santee | CA | — | ◇ UNVERIFIED |
| CHCT Hone Inc | Plainville | CT | — | ◇ UNVERIFIED |
| CMCTK Machining, Inc | San Jose | CA | — | ◇ UNVERIFIED |
| CMCt Metal Structures, LLC | Farmington | CT | — | ◇ UNVERIFIED |
| CSCtq Systems LTD | Cincinnati | OH | — | ◇ UNVERIFIED |
| CCCts Cement Mfg | Posen | IL | — | ◇ UNVERIFIED |
| CICues INC | Orlando | FL | — | ◇ UNVERIFIED |
| CCCulinary Co-Pack Incorporated | Addison | IL | — | ◇ UNVERIFIED |
| CMCullen-Legois Manufacturing, Inc. | Sturtevant | WI | — | ◇ UNVERIFIED |
| CGCumberland Grills INC Dba Knox Engineering INC | Knoxville | TN | — | ◇ UNVERIFIED |
 Cummins Allison | Mount Prospect | IL | — | ◇ UNVERIFIED |
| CECummins Electrified Power NA INC | Milpas | CA | — | ◇ UNVERIFIED |
| CMCummins Manufacturing INC. | Tipton | IA | — | ◇ UNVERIFIED |
| CCCunningham Circuit Etching | Addison | IL | — | ◇ UNVERIFIED |
| CECunningham Engineering | Danvers | MA | — | ◇ UNVERIFIED |
| CPCurbs Plus INC | Ringgold | GA | — | ◇ UNVERIFIED |
| CLCurrentwrx LLC | Saint George | UT | — | ◇ UNVERIFIED |
| CICurry Ice & Coal of Illiopolis | Decatur | IL | — | ◇ UNVERIFIED |
| CRCurry Ready-mix & Builders Supply INC | Springfield | IL | — | ◇ UNVERIFIED |
| COCurtis Oil CO | Mount Pulaski | IL | — | ◇ UNVERIFIED |
| COCurtis Orchard & Pumpkin Patch | Champaign | IL | — | ◇ UNVERIFIED |
| CCCurtiss-wright CORP | Wood Ridge | NJ | — | ◇ UNVERIFIED |
| CTCusick Tool, INC. | Hadley | PA | — | ◇ UNVERIFIED |
| CACustom Assembly, INC. | Carrollton | TX | — | ◇ UNVERIFIED |
| CACustom Auto Body | Assumption | IL | — | ◇ UNVERIFIED |
| CACustom Automotive Machine CO. | Weymouth | MA | — | ◇ UNVERIFIED |
| CBCustom Beach Huts LLC | Hialeah | FL | — | ◇ UNVERIFIED |
| CBCustom Blast Services Nederland | Nederland | TX | — | ◇ UNVERIFIED |
| CCCustom Choice Acrylics Inc | Canton | GA | — | ◇ UNVERIFIED |
| CCCustom Chrome & Polishing | Jerseyville | IL | — | ◇ UNVERIFIED |
| CCCustom Cupboards INC | Stewardson | IL | — | ◇ UNVERIFIED |
 Custom Design & Manufacturing | Carrollton | MI | — | ◇ UNVERIFIED |
| CFCustom Filter LLC | Aurora | IL | — | ◇ UNVERIFIED |
| CJCustom Job Shop, LLC. | Topeka | KS | — | ◇ UNVERIFIED |
| CMCustom Machine & Fabrication INC. | West Point | GA | — | ◇ UNVERIFIED |
 Custom Machine Works, INC. | West Monroe | LA | — | ◇ UNVERIFIED |
| CMCustom Machining INC | Mount Sterling | KY | — | ◇ UNVERIFIED |
| CMCustom Machining of Great Bend, Incorporated | Great Bend | PA | — | ◇ UNVERIFIED |
| CMCustom Machining Solutions, LLC | Rootstown | OH | — | ◇ UNVERIFIED |
| CMCustom Machining Works LLC | Tigard | OR | — | ◇ UNVERIFIED |
 Custom Marine Components, INC. | Jacksonville | FL | — | ◇ UNVERIFIED |
| CMCustom Metal Works, INC. | Rincon | GA | — | ◇ UNVERIFIED |
| CMCustom Molded Products | Phoenix | AZ | — | ◇ UNVERIFIED |
| CMCustom Moulding & Millwork INC. | Catlett | VA | — | ◇ UNVERIFIED |
| CPCustom & Precision Products | Hamden | CT | — | ◇ UNVERIFIED |
 Custom Products of Litchfield INC | Litchfield | MN | — | ◇ UNVERIFIED |
| CSCustom Sample Systems, INC. | Fenton | MO | — | ◇ UNVERIFIED |
| CSCustom Service Crane | Urbana | IL | — | ◇ UNVERIFIED |
| CSCustom Solutions Manufacturing INC | Anoka | MN | — | ◇ UNVERIFIED |
| CSCustom Solutions Manufacturing INC | Andover | MN | — | ◇ UNVERIFIED |
| CSCustom Steel Manufacturing INC. | Belton | MO | — | ◇ UNVERIFIED |
| CTCustom Tech Services, L.l.c. | Mesa | AZ | — | ◇ UNVERIFIED |
| CTCustom Threading | Houston | TX | — | ◇ UNVERIFIED |
| CTCustom Tool & Design Company INC | Huntingdon | TN | — | ◇ UNVERIFIED |
| CTCustom Tool Inc | Cookeville | TN | — | ◇ UNVERIFIED |
| CWCustom Woodworking Unlimited Incorporated | Covington | KY | — | ◇ UNVERIFIED |
| CMCutters Machine Tool INC | Lexington | TN | — | ◇ UNVERIFIED |
| CECutting Edge Manufacturing and Supply LLC | Leander | TX | — | ◇ UNVERIFIED |
| CECutting Edge Manufacturing, INC. | Nampa | ID | — | ◇ UNVERIFIED |
| CECutting Edge Plasma LLC | Minneapolis | MN | — | ◇ UNVERIFIED |
| CACvt Acquisition, INC. Dba Cherry Valley Tool & Mac | Rockford | IL | — | ◇ UNVERIFIED |
| CICw Industries, LLC | Gilmer | TX | — | ◇ UNVERIFIED |
| CECWS Enterprises LLC | New Richmond | WI | — | ◇ UNVERIFIED |
| CICyclamation INC | Lombard | IL | — | ◇ UNVERIFIED |
| CICyclops Iron Works | Mamaroneck | NY | — | ◇ UNVERIFIED |
| CICyphert Industries, INC. | Westover | WV | — | ◇ UNVERIFIED |
| CFCypress Fabrication Services, L.L.C. | St Martinville | LA | — | ◇ UNVERIFIED |
| CGCyprian Group, LLC | Spencer | IN | — | ◇ UNVERIFIED |
| CCytiva | Westborough | MA | — | ◇ UNVERIFIED |
| CTCzech Tool, INC. | Saegertown | PA | — | ◇ UNVERIFIED |
| CC-zero | Santa Barbara | CA | — | ◇ UNVERIFIED |
| DLD2h, LLC | Salem | OR | — | ◇ UNVERIFIED |
| DID5 Ink Systems, INC. | Norwalk | CA | — | ◇ UNVERIFIED |
| DWD'addario Woodwinds Dba Rico Corporation | Sun Valley | CA | — | ◇ UNVERIFIED |
| DEDa Eun Pacific | Tamuning | GU | — | ◇ UNVERIFIED |
| DMDahlheimer Machining INC | Saint Michael | MN | — | ◇ UNVERIFIED |
| DIDaico Industries | Compton | CA | — | ◇ UNVERIFIED |
| DEDaita Enterprises Incorporated | Seattle | WA | — | ◇ UNVERIFIED |
