 Design Engineering & Manufacturing CO | Braham | MN | — | ◇ UNVERIFIED |
| DEDesign Enterprizes, LLC | Westminster | MD | — | ◇ UNVERIFIED |
| DPDesigner Palms INC | Andover | KS | — | ◇ UNVERIFIED |
| DSDesigner Sinks | Hanover | MA | — | ◇ UNVERIFIED |
| DFDesign Fab, INC. | Baton Rouge | LA | — | ◇ UNVERIFIED |
| DHDesign Hardware | Mesquite | TX | — | ◇ UNVERIFIED |
| DMDesign Machine | Sacramento | CA | — | ◇ UNVERIFIED |
| DFDesigns for Tomorrow, INC. | Saint Louis | MO | — | ◇ UNVERIFIED |
| DSDesign Shapes in Steel | South El Monte | CA | — | ◇ UNVERIFIED |
| DMDesignTech Manufacturing LLC | Stanley | WI | — | ◇ UNVERIFIED |
| DMDes Machine Shop, CORP. | Roswell | GA | — | ◇ UNVERIFIED |
| DSD.E. Smith Inc | Des Moines | IA | — | ◇ UNVERIFIED |
| DSDe Steel, INC | Calhan | CO | — | ◇ UNVERIFIED |
| DMDetayl Manufacturing Co., INC. | Zieglersville | PA | — | ◇ UNVERIFIED |
| DBDeterman Brownie INC - Nassau St | Minneapolis | MN | — | ◇ UNVERIFIED |
 Detroit Edge Tool Company | Roseville | MI | — | ◇ UNVERIFIED |
| DTDetroit Tool & Metal Products | Fort Madison | IA | — | ◇ UNVERIFIED |
| DTDetroit Tubing Mill INC | Detroit | MI | — | ◇ UNVERIFIED |
| DCDeutsch CO Metal Components D | Gardena | CA | — | ◇ UNVERIFIED |
| DFDeutsch Fastner Company | Paramount | CA | — | ◇ UNVERIFIED |
| DADevincenzi Architectural Products | Burlingame | 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 |
| DFD & F Corporation | Sterling Heights | MI | — | ◇ UNVERIFIED |
| DMD.F Metal Supply LLC | Sanford | FL | — | ◇ UNVERIFIED |
| DGDfw Grating, INC. | Dallas | TX | — | ◇ UNVERIFIED |
 DGG Industries, Inc. | Attleboro | MA | — | ◇ UNVERIFIED |
| DPD&g Precision Manufacturing, INC. | Eden | WI | — | ◇ UNVERIFIED |
| DWDg Welding and Design, LLC | Malta | OH | — | ◇ UNVERIFIED |
| DWDg Welding - Manufacturing INC | Saint Paul | MN | — | ◇ UNVERIFIED |
| DBDh Blattner | Daggett | CA | — | ◇ UNVERIFIED |
| DDDh Docks LLC | Nisswa | MN | — | ◇ 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 |
| DSDh Steel Products, LLC | Erie | PA | — | ◇ UNVERIFIED |
| DCDiadochi Capital LLC | Lake Worth Beach | FL | — | ◇ UNVERIFIED |
| DFDialed-In Fabrication LLC | Van Buren | AR | — | ◇ UNVERIFIED |
| DEDiamante Enterprises, INC. | San Antonio | TX | — | ◇ UNVERIFIED |
| DCDiameters Corporation | Chicago Heights | IL | — | ◇ UNVERIFIED |
| DIDiamondback Industries, LLC | Lexington | NC | — | ◇ UNVERIFIED |
 Diamondback Manufacturing LLC | Orem | UT | — | ◇ UNVERIFIED |
| DEDiamond Environmental Services LP | Banning | CA | — | ◇ UNVERIFIED |
| DEDiamond Eye Manufacturing LLC | Athena | OR | — | ◇ UNVERIFIED |
| DIDiamond Industries, INC. | Milwaukee | WI | — | ◇ UNVERIFIED |
| DMDiamond Manufacturing CORP C/o | San Leandro | CA | — | ◇ UNVERIFIED |
| DMDiamond Metal Products INC | Ham Lake | MN | — | ◇ UNVERIFIED |
| DMDiamond Metals Distribution INC. | Cleveland | OH | — | ◇ UNVERIFIED |
| DPDiamond Pacific | Barstow | CA | — | ◇ UNVERIFIED |
| DPDiamond Precision Products | Johnson Creek | WI | — | ◇ UNVERIFIED |
| DRDiamond Roller CO | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| DWDiamond Welding INC | Honolulu | HI | — | ◇ UNVERIFIED |
| DWDiamond Wire Spring Company | Tyler | TX | — | ◇ UNVERIFIED |
| DRDiaz Roofing and Sheet Metal | Violet | LA | — | ◇ UNVERIFIED |
| DMDice Mold & Engineering, INC. | Itasca | IL | — | ◇ UNVERIFIED |
| DTDickerson Tool & Engineering LLC. | Chillicothe | MO | — | ◇ UNVERIFIED |
| DIDi-cor Industries, INC. | Bristol | CT | — | ◇ 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 |
| 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 |
| 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 |
| DCDim CORP Dba Edma CO | Monticello | MN | — | ◇ UNVERIFIED |
| DMDimensional Machine Works LLC | Houston | TX | — | ◇ UNVERIFIED |
| DIDimension Industries, INC. | Columbia Station | OH | — | ◇ UNVERIFIED |
| DMDimension Machinery Company, LLC | Fullerton | CA | — | ◇ UNVERIFIED |
| DSDimic Steel Tech, INC. | Upland | CA | — | ◇ UNVERIFIED |
| DEDinan Engineering, INC | Morgan Hill | CA | — | ◇ UNVERIFIED |
| DPDi Primo Fabricators INC - Watson Industrial Park | Saint Louis | MO | — | ◇ UNVERIFIED |
| DMDirect Manufacturing and Design LLC | Snook | TX | — | ◇ UNVERIFIED |
| DMDirect Manufacturing and Design LLC | Caldwell | TX | — | ◇ UNVERIFIED |
| DSDirect Source Supply INC. | Mamaroneck | NY | — | ◇ UNVERIFIED |
| DTDirect Tank Services | Lone Star | TX | — | ◇ UNVERIFIED |
| DIDirtBound Inc. | Center City | MN | — | ◇ UNVERIFIED |
| DIDiscount Iron Fence & Gate, INC. | Cerritos | CA | — | ◇ UNVERIFIED |
| DIDistinctive Iron LLC | Elk River | MN | — | ◇ UNVERIFIED |
| DWDistrict Welding co., LLC | Oceanside | CA | — | ◇ UNVERIFIED |
| DMDittrich Mechanical - Fabrication INC | Mankato | MN | — | ◇ UNVERIFIED |
