| CECummins Electrified Power | West Sacramento | CA | — | ◇ UNVERIFIED |
| CICummins INC Ctc Charleston | Charleston | SC | — | ◇ UNVERIFIED |
| CSCummins Sales & Service | Morgan City | LA | — | ◇ UNVERIFIED |
| CGCurt Group | Allentown | PA | — | ◇ UNVERIFIED |
| CCCurvilinear Components LLC | San Clemente | CA | — | ◇ UNVERIFIED |
| CBCustom Blast Services Nederland | Nederland | TX | — | ◇ UNVERIFIED |
 Custom Design & Manufacturing | Carrollton | MI | — | ◇ UNVERIFIED |
| CMCustomized Manufacturing and Assembly INC | Rochester Hills | MI | — | ◇ UNVERIFIED |
| CJCustom Job Shop, LLC. | Topeka | KS | — | ◇ UNVERIFIED |
| CMCustom Machining INC | Mount Sterling | KY | — | ◇ UNVERIFIED |
 Custom Marine Components, INC. | Jacksonville | FL | — | ◇ UNVERIFIED |
| CMCustom Metal Works, INC. | Rincon | GA | — | ◇ UNVERIFIED |
| CMCustom Molded Products | Phoenix | AZ | — | ◇ UNVERIFIED |
 Custom Products of Litchfield INC | Litchfield | MN | — | ◇ UNVERIFIED |
| CTCustom Tool & Design Company INC | Huntingdon | TN | — | ◇ UNVERIFIED |
| CTCustom Tranz INC Dba Valve Body Pro | San Jose | CA | — | ◇ UNVERIFIED |
| CMCutters Machine Tool INC | Lexington | TN | — | ◇ UNVERIFIED |
| CECutting Edge Manufacturing, INC. | Nampa | ID | — | ◇ UNVERIFIED |
| CMC&w Manufacturing Dba C&w Machine Shop | Turlock | CA | — | ◇ UNVERIFIED |
| CMCw Manufacturing LLC | Northville | MI | — | ◇ UNVERIFIED |
| CICyclops Iron Works | Mamaroneck | NY | — | ◇ UNVERIFIED |
| CHCylinder Head Engineering LLC | De Soto | KS | — | ◇ UNVERIFIED |
| CECypress Equity | Santa Monica | CA | — | ◇ UNVERIFIED |
| CFCypress Fabrication Services, L.L.C. | St Martinville | LA | — | ◇ UNVERIFIED |
| CGCypress Gardens | Redlands | CA | — | ◇ UNVERIFIED |
| CVCypress Village Hoa | Cypress | CA | — | ◇ UNVERIFIED |
| CTCzech Tool, INC. | Saegertown | PA | — | ◇ UNVERIFIED |
| DLD2h, LLC | Salem | OR | — | ◇ UNVERIFIED |
| DHD.A.C. Holding Ltd. | Brighton | MI | — | ◇ UNVERIFIED |
| DEDa Eun Pacific | Tamuning | GU | — | ◇ UNVERIFIED |
| DUDaikyonishikawa U.s.a., INC. | Madison | AL | — | ◇ UNVERIFIED |
| DPDalenzie Professionally Built Torque Converters | Oceanside | CA | — | ◇ UNVERIFIED |
| DMDal Machine INC | Otsego | MN | — | ◇ UNVERIFIED |
| DADana Automotive Systems Group LLC | Crossville | TN | — | ◇ UNVERIFIED |
| DCDana Coupled Prods | Upper Sandusky | OH | — | ◇ UNVERIFIED |
| DHDana Holding Corporation | Lima | OH | — | ◇ UNVERIFIED |
| DHDana Holding Corporation | Henderson | KY | — | ◇ UNVERIFIED |
| DHDana Holding Corporation | Pottstown | PA | — | ◇ UNVERIFIED |
| DLDana Light Axel Products LLC | Fort Wayne | IN | — | ◇ UNVERIFIED |
| DLDana Light Axle Mfg LLC (0448011985) | Toledo | OH | — | ◇ UNVERIFIED |
| DEDane Engineering INC | Brainerd | MN | — | ◇ UNVERIFIED |
| DKDaniel Kirsch | Woodburn | OR | — | ◇ UNVERIFIED |
| DKDanny Kradjian | Los Angeles | CA | — | ◇ UNVERIFIED |
| DEDanson Enterprises, LLC | Fort Collins | CO | — | ◇ UNVERIFIED |
| DFDarchuks Fabrication and Stainless Steel Works INC | Park Rapids | MN | — | ◇ UNVERIFIED |
| DMDarling Manufacturing CO. | Pender | NE | — | ◇ UNVERIFIED |
| DTDau Thermal Solutions NA | Macedon | NY | — | ◇ UNVERIFIED |
| DFDave's Flow Measurement, LLC | Fort Collins | CO | — | ◇ UNVERIFIED |
| DWDavid Whitlow | Adamsville | TN | — | ◇ UNVERIFIED |
| DMDavis Metal & Powder Coating, LLC | Port Clinton | OH | — | ◇ UNVERIFIED |
| DIDayani Investments LLC | Las Vegas | NV | — | ◇ UNVERIFIED |
| DMDaytona Moptorsport, INC. | Daytona Beach | FL | — | ◇ UNVERIFIED |
| DADba Advanced Manufacturing Svcs | Torrance | CA | — | ◇ UNVERIFIED |
| DFD&b Fabrication Plus, INC. | Riverside | CA | — | ◇ UNVERIFIED |
| DAD'Brot Aerospace, LLC | Lakeland | FL | — | ◇ UNVERIFIED |
| D1Dcb 15515, INC. | Clearwater | FL | — | ◇ UNVERIFIED |
| DEDcdidit Enterprise LLC Dba Ididit INC | Tecumseh | MI | — | ◇ UNVERIFIED |
| DMD&C Machine LLC | Mechanicsburg | PA | — | ◇ UNVERIFIED |
| DRDDB Real Estate, LLC | Tifton | GA | — | ◇ UNVERIFIED |
| DMDdssaa Mfg., LLC | Salisbury | NC | — | ◇ UNVERIFIED |
| DLDeatschwerks, LLC | Oklahoma City | OK | — | ◇ UNVERIFIED |
| DMDecker Machine Works, INC | Ashfield | MA | — | ◇ UNVERIFIED |
| DIDecostar Industries, INC. | Mccalla | AL | — | ◇ UNVERIFIED |
| DMDecuir Manufacturing CORP | Fallbrook | CA | — | ◇ UNVERIFIED |
| DEDee Engineering | Ontario | CA | — | ◇ UNVERIFIED |
| DTDefeo Transit Manufacturing & Supply, INC. | Brookfield | CT | — | ◇ UNVERIFIED |
| DVDeja Vu | Los Angeles | CA | — | ◇ UNVERIFIED |
| DFDelafield Fluid Technologies | Duarte | CA | — | ◇ UNVERIFIED |
| DADel Amo Apartments | Torrance | CA | — | ◇ UNVERIFIED |
| DLDe La Rosa Manufacturing INC | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| DHDel Hydraulics Inc | Buffalo | NY | — | ◇ UNVERIFIED |
| DMDel Mar Sierra Manor Hoa | Pasadena | CA | — | ◇ UNVERIFIED |
| DADelphi Automotive Systems LLC | Auburn Hills | MI | — | ◇ UNVERIFIED |
| DADelphi Automotive Systems LLC | Warren | OH | — | ◇ UNVERIFIED |
| DSDelphi Saginaw Steering Systems | Athens | AL | — | ◇ UNVERIFIED |
| DPDelta Pattern, INC. | South Gate | CA | — | ◇ UNVERIFIED |
| DTDelta Trailer, INC. | Houston | TX | — | ◇ UNVERIFIED |
| DYDelta Yimin Technologies INC Dba Delta Pacific Products | Union City | CA | — | ◇ UNVERIFIED |
| DWDel West Engineering INC | Valencia | CA | — | ◇ UNVERIFIED |
| DWDel West USA | Valencia | CA | — | ◇ UNVERIFIED |
| DIDenny's INC | Orange | CA | — | ◇ UNVERIFIED |
| DADenso Air Systems | Battle Creek | MI | — | ◇ UNVERIFIED |
| DMDenso Manufacturing Michigan INC | Battle Creek | MI | — | ◇ UNVERIFIED |
| DKDeo, Karan | Modesto | CA | — | ◇ UNVERIFIED |
| DODepartment of Defense, U.s. Army Letterkenny Army Depot | Chambersburg | PA | — | ◇ UNVERIFIED |
| DODepartment of Motor Vehicles | Modesto | CA | — | ◇ UNVERIFIED |
| DDero/everlast | Fridley | MN | — | ◇ UNVERIFIED |
| DPDesert Plastering L.l.c. | North Las Vegas | NV | — | ◇ UNVERIFIED |
| DSDesigner Sinks | Hanover | MA | — | ◇ UNVERIFIED |
| DSDesign Shapes in Steel | South El Monte | CA | — | ◇ UNVERIFIED |
| DMDesignTech Manufacturing LLC | Stanley | WI | — | ◇ UNVERIFIED |
| DSDetroit Speed and Engineering | Mooresville | NC | — | ◇ UNVERIFIED |
| DTDetroit Tubing Mill INC | Detroit | MI | — | ◇ UNVERIFIED |
| DADexter Axle | Shawnee | OK | — | ◇ UNVERIFIED |
| DADexter Axle Company | Plant City | FL | — | ◇ UNVERIFIED |
| DMDexter Magnetic Materials Division | Richardson | TX | — | ◇ UNVERIFIED |
| DFD&g Fiberglass | Sun Valley | CA | — | ◇ UNVERIFIED |
| DCDiameters Corporation | Chicago Heights | IL | — | ◇ UNVERIFIED |
 Diamondback Manufacturing LLC | Orem | UT | — | ◇ UNVERIFIED |
| DCDiamond City LLC | El Monte | CA | — | ◇ UNVERIFIED |
