| DFDesigns for Tomorrow, INC. | Saint Louis | MO | — | ◇ UNVERIFIED |
| DSDesign Shapes in Steel | South El Monte | CA | — | ◇ UNVERIFIED |
| DMDesignTech Manufacturing LLC | Stanley | WI | — | ◇ UNVERIFIED |
| DTDesign Tek Holdings, LLC | Pleasant View | UT | — | ◇ UNVERIFIED |
| DTDesign-tek Tool & Plastics, INC. | Ogden | UT | — | ◇ UNVERIFIED |
| DTDesign Tool & Engineering INC | Minneapolis | MN | — | ◇ UNVERIFIED |
 DESJ Phillips, LLC | Halifax | PA | — | ◇ UNVERIFIED |
| DMDes Machine Shop, CORP. | Roswell | GA | — | ◇ UNVERIFIED |
| DSD.E. Smith Inc | Des Moines | IA | — | ◇ UNVERIFIED |
| DMDetayl Manufacturing Co., INC. | Zieglersville | PA | — | ◇ UNVERIFIED |
| DCDetective Coating, LLC | North Chesterfield | VA | — | ◇ UNVERIFIED |
| DCDetective Coating, LLC | North Chesterfield | VA | — | ◇ UNVERIFIED |
| DBDeterman Brownie INC - Nassau St | Minneapolis | MN | — | ◇ UNVERIFIED |
 Detroit Edge Tool Company | Roseville | MI | — | ◇ UNVERIFIED |
| DFDetroit Forming INC | Aurora | IL | — | ◇ UNVERIFIED |
| DFDetroit Forming INC | Southfield | MI | — | ◇ UNVERIFIED |
| DFDetroit Forming, INC. | Nash | TX | — | ◇ UNVERIFIED |
| DTDetroit Tube Products LLC | Detroit | MI | — | ◇ UNVERIFIED |
| DTDetroit Tubing Mill INC | Detroit | MI | — | ◇ UNVERIFIED |
| DCDeutsch CO Metal Components D | Gardena | CA | — | ◇ UNVERIFIED |
| DFDeutsch Fastner Company | Paramount | CA | — | ◇ UNVERIFIED |
| DEDevault Enterprises, INC | Broken Arrow | OK | — | ◇ UNVERIFIED |
| DDevco | Redlands | CA | — | ◇ UNVERIFIED |
| DRDevil Ray INC Dba Supra Alloys Castle Metals | Paramount | CA | — | ◇ UNVERIFIED |
| DMDevincenzi Metal Products | Burlingame | CA | — | ◇ UNVERIFIED |
| DMDevin Mfg., INC. | Arcade | NY | — | ◇ UNVERIFIED |
| DEDevore Engraving, Inc. | Canton | OH | — | ◇ UNVERIFIED |
| DBDevries Bar Grinding INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| DTDeWeyl Tool Co., Inc. | Petaluma | CA | — | ◇ UNVERIFIED |
| DMDewitt Machine & Fabrication, INC. | Medford | ME | — | ◇ UNVERIFIED |
| DLDewzen LLC | Nashua | NH | — | ◇ UNVERIFIED |
| DDDexter Distribution Center | Dexter | MI | — | ◇ UNVERIFIED |
| DMDexter Magnetic Materials Division | Richardson | TX | — | ◇ UNVERIFIED |
| DSDexter Stamping CO LLC | Jackson | MI | — | ◇ UNVERIFIED |
| DFD & F Corporation | Sterling Heights | MI | — | ◇ UNVERIFIED |
| DMD.F Metal Supply LLC | Sanford | FL | — | ◇ UNVERIFIED |
| DPDgc Plastic Moldings | East Enterprise | IN | — | ◇ UNVERIFIED |
| DPD&g Precision Manufacturing, INC. | Eden | WI | — | ◇ UNVERIFIED |
| DBDh Blattner | Daggett | CA | — | ◇ UNVERIFIED |
| DGDh Gibbs & Company, INC | Salt Lake City | UT | — | ◇ UNVERIFIED |
| DHD H Machine, INC. | Orange Cove | CA | — | ◇ UNVERIFIED |
| DMD&h Manufacturing | Fremont | CA | — | ◇ UNVERIFIED |
| DHD & H Screw Products INC | Paramount | CA | — | ◇ UNVERIFIED |
| DTDh Technology INC | San Jose | CA | — | ◇ UNVERIFIED |
| DFDialed-In Fabrication LLC | Van Buren | AR | — | ◇ UNVERIFIED |
| DIDial Industries INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| DEDiamante Enterprises, INC. | San Antonio | TX | — | ◇ UNVERIFIED |
| DCDiameters Corporation | Chicago Heights | IL | — | ◇ UNVERIFIED |
| DDiamodent | Anaheim | CA | — | ◇ UNVERIFIED |
| DBDiamondback Branding LLC | Austin | TX | — | ◇ UNVERIFIED |
| DIDiamondback Industries, LLC | Lexington | NC | — | ◇ UNVERIFIED |
 Diamondback Manufacturing LLC | Orem | UT | — | ◇ UNVERIFIED |
| DBDiamond B, INC. | Cypress | CA | — | ◇ UNVERIFIED |
| DCDiamond Construction & Waterproofing INC. | Sun Valley | CA | — | ◇ UNVERIFIED |
| DEDiamond Environmental Services LP | Banning | CA | — | ◇ UNVERIFIED |
| DEDiamond Eye Manufacturing LLC | Athena | OR | — | ◇ UNVERIFIED |
| DFDiamond Fiberglass Industrial Services | Victoria | TX | — | ◇ UNVERIFIED |
| DGDiamond Game Enterprises | Chatsworth | CA | — | ◇ UNVERIFIED |
| DIDiamond Industries, INC. | Milwaukee | WI | — | ◇ UNVERIFIED |
| DMDiamond Manufacturing CORP C/o | San Leandro | CA | — | ◇ UNVERIFIED |
| DMDiamond Metal Finishing | Houston | TX | — | ◇ UNVERIFIED |
| DMDiamond Metal Products INC | Ham Lake | MN | — | ◇ UNVERIFIED |
| DMDiamond Metals Distribution INC. | Cleveland | OH | — | ◇ UNVERIFIED |
| DMDiamond Mfg CORP | San Leandro | CA | — | ◇ UNVERIFIED |
| DPDiamond Pacific | Barstow | CA | — | ◇ UNVERIFIED |
| DPDiamond Painting and Sandblasting | Picayune | MS | — | ◇ UNVERIFIED |
| DPDiamond Precision Products | Johnson Creek | WI | — | ◇ UNVERIFIED |
| DRDiamond Roller CO | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| DSDiamond Solutions LLC | Scottsdale | AZ | — | ◇ UNVERIFIED |
| DTDiamond Technological Group, Inc. | Somerset | PA | — | ◇ UNVERIFIED |
| DWDiamond West Farming | Paso Robles | CA | — | ◇ UNVERIFIED |
| DWDiamond Wire Spring Company | Tyler | TX | — | ◇ UNVERIFIED |
| DZDiamond Z Manufacturing | San Jose | CA | — | ◇ UNVERIFIED |
| DMDice Mold & Engineering, INC. | Itasca | IL | — | ◇ UNVERIFIED |
| DTDickerson Tool & Engineering LLC. | Chillicothe | MO | — | ◇ UNVERIFIED |
| DMDickey Metal Finishing LLC | Selmer | TN | — | ◇ UNVERIFIED |
| DTDick's Towing Llc/sanchez Powder Coating | Yuba City | CA | — | ◇ UNVERIFIED |
| DMDickten Masch of Ms INC Chemical | Hattiesburg | MS | — | ◇ UNVERIFIED |
| DADie and Tool Products, INC. | Hayward | CA | — | ◇ UNVERIFIED |
| DDieform,LLC | Chino | CA | — | ◇ UNVERIFIED |
| DGDie Guys, Inc. | Medina | OH | — | ◇ UNVERIFIED |
| DMDie Max of Rochester Inc. | Rochester | NY | — | ◇ UNVERIFIED |
| DSDiemold Services | Corona | CA | — | ◇ UNVERIFIED |
| DTDiemold Tool INC | Shakopee | MN | — | ◇ UNVERIFIED |
| DCDienes Corporation | Spencer | MA | — | ◇ UNVERIFIED |
| DCDiesel Cast Welding INC | Blaine | MN | — | ◇ UNVERIFIED |
| DCDiesel Controls Inc. | Massillon | OH | — | ◇ UNVERIFIED |
| DSDie Stampco INC | Bay City | MI | — | ◇ UNVERIFIED |
| DTDie Technology INC | Osseo | MN | — | ◇ UNVERIFIED |
| DDDig Dog LLC | Costa Mesa | CA | — | ◇ UNVERIFIED |
| DDDig Dog LLC | Costa Mesa | CA | — | ◇ UNVERIFIED |
| DMDigital Machine Co., INC. | Warminster | PA | — | ◇ UNVERIFIED |
| DMDigital Machining, LLC | Berthoud | CO | — | ◇ UNVERIFIED |
| DHDi Highway Sign & Structure Corporation | New York Mills | NY | — | ◇ UNVERIFIED |
| DIDi Industrial Coatings | El Dorado Hills | CA | — | ◇ UNVERIFIED |
| DLDik & Lu 2365 LLC | Denver | CO | — | ◇ UNVERIFIED |
| DMDilbeck Manufacturing, INC. | Tulsa | OK | — | ◇ UNVERIFIED |
| DFDill Fabrication Company, Inc. | Greenville | SC | — | ◇ UNVERIFIED |
| DCDilon Company Inc | Attleboro | MA | — | ◇ UNVERIFIED |
| DLDiMax, LLC | Temecula | CA | — | ◇ UNVERIFIED |
