 Decco Castings INC | El Cajon | CA | — | ◇ UNVERIFIED |
| DNDeceuninck North America | Monroe | OH | — | ◇ UNVERIFIED |
| DODecorah Ops Textron Fastening Sys | Decorah | IA | — | ◇ UNVERIFIED |
| DSDecorating Supplies & Equipment, INC. | Evansville | IN | — | ◇ UNVERIFIED |
| DCDefiance Casting Operations (0320010001) | Defiance | OH | — | ◇ UNVERIFIED |
| DMDekalb Molded Plastics | Butler | IN | — | ◇ UNVERIFIED |
| DCDelmar Company | Lakeville | MN | — | ◇ UNVERIFIED |
| DMDel Mar Die Casting CO INC | Gardena | CA | — | ◇ UNVERIFIED |
| DADelphi Automotive Systems LLC | Amherst | NY | — | ◇ UNVERIFIED |
| DTDelstar Technologies, INC. | Austin | TX | — | ◇ UNVERIFIED |
| DPDelta Plastics | Stockton | CA | — | ◇ UNVERIFIED |
| DPDelta Precision Tool & Inst CO | Hauppauge | NY | — | ◇ UNVERIFIED |
| DSDelta Secondary LLC | Bensenville | IL | — | ◇ UNVERIFIED |
| DPDemco Products | Oak Lawn | IL | — | ◇ UNVERIFIED |
| DIDeMore's Innovative Design, Inc. | Menomonee Falls | WI | — | ◇ UNVERIFIED |
| DMDenbeste Manufacturing INC | Bakersfield | CA | — | ◇ UNVERIFIED |
| DBDenise & Brian, LLC | Rockford | IL | — | ◇ UNVERIFIED |
| DIDenison Industries of California | Denison | TX | — | ◇ UNVERIFIED |
| DADennison Automatics | Nunica | MI | — | ◇ UNVERIFIED |
| DWDentoni's Welding Works, INC. | Stockton | CA | — | ◇ UNVERIFIED |
| DPDenver Plastics Colorado | Hudson | CO | — | ◇ UNVERIFIED |
| DPDenver Plastics Ne | Wahoo | NE | — | ◇ UNVERIFIED |
| DODepartment of Veterans Affairs 3d Printing Laboratory | North Charleston | SC | — | ◇ UNVERIFIED |
| DPDependable Plastics and Pattern | Fairfield | CA | — | ◇ UNVERIFIED |
| DADeschaine and Roy, INC. | Upland | CA | — | ◇ UNVERIFIED |
| DADesign and Fabricating INC | Cokato | MN | — | ◇ UNVERIFIED |
| DADesign and Fabricating INC | Cokato | MN | — | ◇ UNVERIFIED |
 Design Engineering & Manufacturing CO | Braham | MN | — | ◇ UNVERIFIED |
| DSDesigners Sash & Door | Perris | CA | — | ◇ UNVERIFIED |
| DMDesign Machine | Sacramento | CA | — | ◇ UNVERIFIED |
| DPDesign Plastics INC. | Omaha | NE | — | ◇ UNVERIFIED |
| DFDesigns for Tomorrow, INC. | Saint Louis | MO | — | ◇ UNVERIFIED |
| DTDesign Tek Holdings, LLC | Pleasant View | UT | — | ◇ UNVERIFIED |
 DESJ Phillips, LLC | Halifax | PA | — | ◇ UNVERIFIED |
| DSD.E. Smith Inc | Des Moines | IA | — | ◇ UNVERIFIED |
| DBDeterman Brownie INC - Nassau St | Minneapolis | MN | — | ◇ UNVERIFIED |
| DFDetroit Forming INC | Southfield | MI | — | ◇ UNVERIFIED |
| DFDetroit Forming INC | Aurora | IL | — | ◇ UNVERIFIED |
| DFDetroit Forming, INC. | Nash | TX | — | ◇ UNVERIFIED |
| DCDeutsch CO Metal Components D | Gardena | CA | — | ◇ UNVERIFIED |
| DFDeutsch Fastner Company | Paramount | CA | — | ◇ UNVERIFIED |
| DEDevault Enterprises, INC | Broken Arrow | OK | — | ◇ UNVERIFIED |
| DMDevincenzi Metal Products | Burlingame | CA | — | ◇ UNVERIFIED |
| DMDevin Mfg., INC. | Arcade | NY | — | ◇ UNVERIFIED |
| DEDevore Engraving, Inc. | Canton | OH | — | ◇ UNVERIFIED |
| DTDeWeyl Tool Co., Inc. | Petaluma | CA | — | ◇ UNVERIFIED |
| DDDexter Distribution Center | Dexter | MI | — | ◇ UNVERIFIED |
| DFD & F Corporation | Sterling Heights | MI | — | ◇ UNVERIFIED |
| DPDgc Plastic Moldings | East Enterprise | IN | — | ◇ UNVERIFIED |
| DHD & H Screw Products INC | Paramount | CA | — | ◇ UNVERIFIED |
| DIDial Industries INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| DFDiamond Fiberglass Industrial Services | Victoria | TX | — | ◇ UNVERIFIED |
| DGDiamond Game Enterprises | Chatsworth | CA | — | ◇ UNVERIFIED |
| DPDiamond Pacific | Barstow | CA | — | ◇ UNVERIFIED |
| DRDiamond Roller CO | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| DTDiamond Technological Group, Inc. | Somerset | PA | — | ◇ UNVERIFIED |
| DTDickerson Tool & Engineering LLC. | Chillicothe | MO | — | ◇ UNVERIFIED |
| DMDickten Masch of Ms INC Chemical | Hattiesburg | MS | — | ◇ UNVERIFIED |
| DGDie Guys, Inc. | Medina | OH | — | ◇ UNVERIFIED |
| DSDiemold Services | Corona | CA | — | ◇ UNVERIFIED |
| DCDilon Company Inc | Attleboro | MA | — | ◇ UNVERIFIED |
| DODi Oro Living, LLC. | Dalton Gardens | ID | — | ◇ UNVERIFIED |
| DRDisc Replicator, INC. | Walnut | CA | — | ◇ UNVERIFIED |
| DWdiverse welding & fabrication | Gordonville | PA | — | ◇ UNVERIFIED |
| DMDiversified Machine INC Dba Chassix INC | Howell | MI | — | ◇ UNVERIFIED |
| DMDiversified Metal Products, INC | Idaho Falls | ID | — | ◇ UNVERIFIED |
| DPDiversified Plastics Incorporated | Latta | SC | — | ◇ UNVERIFIED |
| DPDiversified Plastics Industries, LLC | Sand Springs | OK | — | ◇ UNVERIFIED |
| DPDiversified Plastics of Alabama, LLC | Tuscumbia | AL | — | ◇ UNVERIFIED |
| DSDiversified Structural Composites | Hickory | NC | — | ◇ UNVERIFIED |
| DLDiversity-vuteq LLC | Blue Springs | MS | — | ◇ UNVERIFIED |
| DXDive Xtras | Everett | WA | — | ◇ UNVERIFIED |
| DLDixieline Lumber | Dana Point | CA | — | ◇ UNVERIFIED |
| DMDixie Machine LLC | Holly | MI | — | ◇ UNVERIFIED |
| DPDJM Plastics, Ltd. | Findlay | OH | — | ◇ UNVERIFIED |
| DMDk Manufacturing Lancaster, INC. | Lancaster | OH | — | ◇ UNVERIFIED |
| DED.l.b. Enterprises, INC. | Washington | MI | — | ◇ UNVERIFIED |
| DPD.L.G Products LLC dba nippii | Spring | TX | — | ◇ UNVERIFIED |
| DDlhbowles | Canton | OH | — | ◇ UNVERIFIED |
| DIDlh Industries (plant 14) | Carrollton | OH | — | ◇ UNVERIFIED |
| DMDl Machining, INC. | San Jose | CA | — | ◇ UNVERIFIED |
| DMD.m. Manufacturing, INC. | Beloit | WI | — | ◇ UNVERIFIED |
| DPD&m Plastics, LLC | Burlington | IL | — | ◇ UNVERIFIED |
| DCDms Corporation | Park Rapids | MN | — | ◇ UNVERIFIED |
| DRDms Rotary | Lake Zurich | IL | — | ◇ UNVERIFIED |
| DMD & M Tool, INC. | Meadville | PA | — | ◇ UNVERIFIED |
| DHDmw Holdings Dba Cecil Composites | Mount Clemens | MI | — | ◇ UNVERIFIED |
| DEDolphin Enterprises LTD | Lower Bank | NJ | — | ◇ UNVERIFIED |
| DIDomes International Inc, Batesville Facility | Batesville | MS | — | ◇ UNVERIFIED |
| DEDomo Engineering Plastics Us, LLC | Buford | GA | — | ◇ UNVERIFIED |
| DEDon Evans, INC | Calhoun | GA | — | ◇ UNVERIFIED |
| DEDon Evans of Nevada, INC. | Oshkosh | WI | — | ◇ UNVERIFIED |
| DCDonnelly Custom Manufacturing Company | Alexandria | MN | — | ◇ UNVERIFIED |
 Dormakaba USA INC | Steeleville | IL | — | ◇ UNVERIFIED |
| DMDoskocil Manufacturing | Arlington | TX | — | ◇ UNVERIFIED |
| DHDouble H Tennessee LLC | Morristown | TN | — | ◇ UNVERIFIED |
| DSDoudney Sheet Metal Works INC. | Miami | FL | — | ◇ UNVERIFIED |
| DPDove Prods INC | Lockport | IL | — | ◇ UNVERIFIED |
| DDover | Dover | DE | — | ◇ UNVERIFIED |
| DCDow Corning Corporation | Newark | CA | — | ◇ UNVERIFIED |
