| DPDalenzie Professionally Built Torque Converters | Oceanside | CA | — | ◇ UNVERIFIED |
| DCDana Corporation | Farmington | MI | — | ◇ UNVERIFIED |
| DCDana Corporation Victor Products Division | Danville | KY | — | ◇ UNVERIFIED |
| DCDana Coupled Prods | Upper Sandusky | OH | — | ◇ UNVERIFIED |
| DSDana Sealing Manufacturing LLC | Danville | KY | — | ◇ UNVERIFIED |
| DSDana Sealing Mfg LLC | Robinson | IL | — | ◇ UNVERIFIED |
| DTDanfoss Turbocor Compressors, INC | Tallahassee | FL | — | ◇ UNVERIFIED |
| DFDassault Falcon Jet-teb | Little Ferry | NJ | — | ◇ UNVERIFIED |
| DTDatabee Technologies, LLC | Southwest Ranches | FL | — | ◇ UNVERIFIED |
| DADba Advanced Manufacturing Svcs | Torrance | CA | — | ◇ UNVERIFIED |
| DDD & D Sealing LLC | Circleville | OH | — | ◇ UNVERIFIED |
| DIDecostar Industries, INC. | Mccalla | AL | — | ◇ UNVERIFIED |
| DMDecuir Manufacturing CORP | Fallbrook | CA | — | ◇ UNVERIFIED |
| DEDee Engineering | Ontario | CA | — | ◇ UNVERIFIED |
| DIDejno's INC | Antigo | WI | — | ◇ UNVERIFIED |
| DFDelafield Fluid Technologies | Duarte | CA | — | ◇ UNVERIFIED |
| DLDe La Rosa Manufacturing INC | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| DADelphi Automotive Systems LLC | Warren | OH | — | ◇ UNVERIFIED |
| DEDelphi Electronics & Safety Systems | Oak Creek | WI | — | ◇ UNVERIFIED |
| DFDelphi Flint East | Flint | MI | — | ◇ UNVERIFIED |
| DFDelphi Flint West | Flint | MI | — | ◇ UNVERIFIED |
| DFDelta Flight Products, LLC - Atl Operations | Atlanta | GA | — | ◇ UNVERIFIED |
| DIDelta-Ray Industries, Inc. | Litchfield | CT | — | ◇ UNVERIFIED |
| DYDelta Yimin Technologies INC Dba Delta Pacific Products | Union City | CA | — | ◇ UNVERIFIED |
| DWDel West Engineering INC | Valencia | CA | — | ◇ UNVERIFIED |
| DADenso Air Systems | Battle Creek | MI | — | ◇ UNVERIFIED |
| DMDenso Manufacturing Michigan INC | Battle Creek | MI | — | ◇ UNVERIFIED |
| DODepartment of Defense | Corpus Christi | TX | — | ◇ UNVERIFIED |
| DFD&g Fiberglass | Sun Valley | CA | — | ◇ UNVERIFIED |
| DFDickinson Fleet Service | Tampa | FL | — | ◇ UNVERIFIED |
| DFDickinson Fleet Service | Orlando | FL | — | ◇ UNVERIFIED |
| DFDickinson Fleet Service | Jacksonville | FL | — | ◇ UNVERIFIED |
| DIDieomatic Incorporated | Battle Creek | MI | — | ◇ UNVERIFIED |
| DTDie Tech Dba Bieganski Fabrication | Morgan Hill | CA | — | ◇ UNVERIFIED |
| DODirtBound Offroad | Chisago City | MN | — | ◇ UNVERIFIED |
| DKDirt King Fabrication | San Diego | CA | — | ◇ UNVERIFIED |
| DWDisney Worldwide Services | Burbank | CA | — | ◇ UNVERIFIED |
| DADixie Aerospace | Atlanta | GA | — | ◇ UNVERIFIED |
 D-j Engineering, INC. | Augusta | KS | — | ◇ UNVERIFIED |
| D-j Engineering INC - Bldg 4a (stormwater) | Augusta | KS | — | ◇ UNVERIFIED |
| D-j Engineering INC - Bldgs 5c & 5e (stormwater) | Augusta | KS | — | ◇ UNVERIFIED |
| D-j Engineering INC - East-1011 (stormwater) | Augusta | KS | — | ◇ UNVERIFIED |
| D-j Engineering INC - East-810 (stormwater) | Augusta | KS | — | ◇ UNVERIFIED |
| DMDkk Machine INC | Gardena | CA | — | ◇ UNVERIFIED |
| DSDmhs Socal INC | Orange | CA | — | ◇ UNVERIFIED |
| DMD Mills Grinding and Machining CO INC | Orange | CA | — | ◇ UNVERIFIED |
| DCDonaldson Company INC | Waterloo | IA | — | ◇ UNVERIFIED |
| DADott Acquisitions LLC | Deckerville | MI | — | ◇ UNVERIFIED |
| DWDoubleM-GS Western Services, LLC. | Moab | UT | — | ◇ UNVERIFIED |
| DADouglas and Lomason Company, Atlas Body Division | Amory | MS | — | ◇ UNVERIFIED |
