| DWDiamond Wire Spring Company | Tyler | TX | — | ◇ 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 |
| 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 |
| 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 |
| DLDimensiontek LLC | Columbus | OH | — | ◇ UNVERIFIED |
| DEDinan Engineering, INC | Morgan Hill | CA | — | ◇ UNVERIFIED |
| DDipsht | Sacramento | CA | — | ◇ UNVERIFIED |
| DEDirected Energy Consultants, LLC | Albuquerque | NM | — | ◇ UNVERIFIED |
| DMDirect Manufacturing and Design LLC | Snook | TX | — | ◇ UNVERIFIED |
| DMDirect Manufacturing and Design LLC | Caldwell | TX | — | ◇ UNVERIFIED |
| DIDirtBound Inc. | Center City | MN | — | ◇ UNVERIFIED |
| DSDisplay Source Alliance, LLC | Mesquite | TX | — | ◇ UNVERIFIED |
| DMDittrich Mechanical - Fabrication INC | Mankato | MN | — | ◇ UNVERIFIED |
| DWdiverse welding & fabrication | Gordonville | PA | — | ◇ UNVERIFIED |
| DFDiversified Fabrication & Accessories LLC | Sebring | FL | — | ◇ UNVERIFIED |
| DIDiversified Industrial Service Company | Liberal | KS | — | ◇ UNVERIFIED |
| DMDiversified Machine & Welding, LLC | Findlay | OH | — | ◇ UNVERIFIED |
| DMDiversified Machining & Fabrication | Modesto | CA | — | ◇ UNVERIFIED |
| DMDiversified Metal Products, INC | Idaho Falls | ID | — | ◇ UNVERIFIED |
| DPDiversified Products INC | Bend | OR | — | ◇ UNVERIFIED |
| DSDiversified Services, INC. | Wichita | KS | — | ◇ UNVERIFIED |
| DWDiversified Welding Works INC | Vancouver | WA | — | ◇ UNVERIFIED |
| D5Division 5 | Winston Salem | NC | — | ◇ UNVERIFIED |
| DMDixie Machine LLC | Holly | MI | — | ◇ UNVERIFIED |
| DMDixie Marketing and Playground Equipment, INC. | Falkville | AL | — | ◇ UNVERIFIED |
| DTDixie Trailer and Truck Equipment | Ashland | VA | — | ◇ UNVERIFIED |
| DMDj Machine | North Andover | MA | — | ◇ UNVERIFIED |
| DJD & J Machinery, INC. | Clewiston | FL | — | ◇ UNVERIFIED |
| DMD&j Machine Works, INC. | Houston | TX | — | ◇ UNVERIFIED |
| DMDj Manufacturing INC. | Huntington | WV | — | ◇ UNVERIFIED |
| DIDk International Associates, INC. | Fort Lauderdale | FL | — | ◇ UNVERIFIED |
| DLDkmm, LLC | Commerce City | CO | — | ◇ UNVERIFIED |
| DPDk Powder Coating | Walnut Grove | MO | — | ◇ UNVERIFIED |
| DED.l.b. Enterprises, INC. | Washington | MI | — | ◇ UNVERIFIED |
| DMDl Machining, INC. | San Jose | CA | — | ◇ UNVERIFIED |
| DMDlss Manufacturing LLC | Burlington | NC | — | ◇ UNVERIFIED |
| DMDLT Machine, LLC | Pelham | NH | — | ◇ UNVERIFIED |
| DLD & L Tool, INC. | Waterbury | CT | — | ◇ UNVERIFIED |
| DRDLT Rental | Brighton | CO | — | ◇ UNVERIFIED |
| DLD L Wolfe Racecraft LLC | Mansfield | TX | — | ◇ UNVERIFIED |
| DMD&m Machine Shop INC. | Austell | GA | — | ◇ UNVERIFIED |
| DMD.m. Manufacturing, INC. | Beloit | WI | — | ◇ UNVERIFIED |
| DLDmmg, LLC | Pierceton | IN | — | ◇ UNVERIFIED |
| DADMS Acquisitions, Inc. | Commerce City | CO | — | ◇ UNVERIFIED |
| DCDms Corporation | Park Rapids | MN | — | ◇ UNVERIFIED |
| DMDms Machinery & Fabrication | Groveton | NH | — | ◇ UNVERIFIED |
| DRDms Rotary | Lake Zurich | IL | — | ◇ UNVERIFIED |
| DMD & M Tool, INC. | Meadville | PA | — | ◇ UNVERIFIED |
| DMD & M Tool & Machine Co. Inc. | Montgomery | PA | — | ◇ UNVERIFIED |
| DBDmz Builders | San Leandro | CA | — | ◇ UNVERIFIED |
| DBD&n Bending CORP. | Romeo | MI | — | ◇ UNVERIFIED |
| DPDN Precision Mfg LLC | El Sobrante | CA | — | ◇ UNVERIFIED |
| DIDnr Industries, INC. | Anaheim | CA | — | ◇ UNVERIFIED |
| DEDoco Engineering INC | Red Bluff | CA | — | ◇ UNVERIFIED |
| DDDoc's Dirt Work & Excavating LLC | Galesville | WI | — | ◇ UNVERIFIED |
| DMDoll Marine Metal Fabrication, INC. | Fort Lauderdale | FL | — | ◇ UNVERIFIED |
| DEDolphin Engineering | Los Angeles | CA | — | ◇ UNVERIFIED |
| DPDomar Precision INC | South Gate | CA | — | ◇ UNVERIFIED |
| DPDomer Precision INC | South Gate | CA | — | ◇ UNVERIFIED |
| DEDomestic Environmental Alternatives INC Dba Bathroom Machineries | Murphys | CA | — | ◇ UNVERIFIED |
| DCDonaldson Company, INC - Grinnell | Grinnell | IA | — | ◇ UNVERIFIED |
| DLDonaldson & Landry INC | Portland | OR | — | ◇ UNVERIFIED |
| DMDoneright Metal Works | Beloit | WI | — | ◇ UNVERIFIED |
| DTDongo Tool INC | St Anthony Village | MN | — | ◇ UNVERIFIED |
| DCDonna C. Pursell | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| DIDonner Industries INC | Lino Lakes | MN | — | ◇ UNVERIFIED |
| DIDonnerite INC | New London | MN | — | ◇ UNVERIFIED |
| DSDonovan Strategic Sourcing, LLC | Algonquin | IL | — | ◇ UNVERIFIED |
| DMDon's Machine Shop INC | Joplin | MO | — | ◇ UNVERIFIED |
| DLDoorblockade LLC | La Porte | IN | — | ◇ UNVERIFIED |
 Dormakaba USA INC | Steeleville | IL | — | ◇ UNVERIFIED |
| DEDorothy E Kadlec Dba Accuneering Company | Minneapolis | MN | — | ◇ UNVERIFIED |
| DDDouble Diamond HCI LLC | Cheyenne | WY | — | ◇ UNVERIFIED |
| DDDouble D Machine LLC | Yoder | IN | — | ◇ UNVERIFIED |
| DGDouble G Abrasives | Whippany | NJ | — | ◇ UNVERIFIED |
| DGDouble Gem Mobile Blasting | Pekin | IL | — | ◇ UNVERIFIED |
| DJDouble J Machine INC | Clackamas | OR | — | ◇ UNVERIFIED |
