 DGG Industries, Inc. | Attleboro | MA | — | ◇ UNVERIFIED |
| DSDh Steel Products, LLC | Erie | PA | — | ◇ UNVERIFIED |
| DEDiamante Enterprises, INC. | San Antonio | TX | — | ◇ UNVERIFIED |
| DCDiameters Corporation | Chicago Heights | IL | — | ◇ 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 |
| 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 |
| DIDi-cor Industries, INC. | Bristol | CT | — | ◇ UNVERIFIED |
| DSDie Stampco INC | Bay City | MI | — | ◇ UNVERIFIED |
| DDDig Dog LLC | Costa Mesa | CA | — | ◇ UNVERIFIED |
| DHDi Highway Sign & Structure Corporation | New York Mills | NY | — | ◇ UNVERIFIED |
| DLDik & Lu 2365 LLC | Denver | CO | — | ◇ UNVERIFIED |
| DFDill Fabrication Company, Inc. | Greenville | SC | — | ◇ UNVERIFIED |
| DLDiMax, LLC | Temecula | CA | — | ◇ UNVERIFIED |
| DMDimensional Machine Works LLC | Houston | TX | — | ◇ UNVERIFIED |
| DSDimic Steel Tech, INC. | Upland | CA | — | ◇ UNVERIFIED |
| DPDi Primo Fabricators INC - Watson Industrial Park | Saint Louis | MO | — | ◇ UNVERIFIED |
| DSDirect Source Supply INC. | Mamaroneck | NY | — | ◇ UNVERIFIED |
| DIDirtBound Inc. | Center City | MN | — | ◇ UNVERIFIED |
| DNDistribution Now | Carson | CA | — | ◇ UNVERIFIED |
| DWDistrict Welding co., LLC | Oceanside | CA | — | ◇ UNVERIFIED |
| DMDittrich Mechanical - Fabrication INC | Mankato | MN | — | ◇ UNVERIFIED |
| DIDiversico Industries, INC. | Minneapolis | MN | — | ◇ UNVERIFIED |
| DFDiversified Fabrication & Accessories LLC | Sebring | FL | — | ◇ UNVERIFIED |
| DHDiversified Holdings of Dallas, INC. | Dallas | NC | — | ◇ UNVERIFIED |
| DMDiversified Metal Fabricators INC | Ferndale | MI | — | ◇ UNVERIFIED |
| DPDiversified Products INC | Bend | OR | — | ◇ UNVERIFIED |
| DPDiversified Products Mfg | Jacksonville | FL | — | ◇ UNVERIFIED |
| DSDiversified Steel Fabricators, INC. | Montgomery | AL | — | ◇ UNVERIFIED |
| DSDiversified Systems of Jax | Jacksonville | FL | — | ◇ UNVERIFIED |
| DWDiversified Welding Works INC | Vancouver | WA | — | ◇ UNVERIFIED |
| D5Division 5 | Winston Salem | NC | — | ◇ UNVERIFIED |
| D5Division 5 Fabricators, INC. | Russellville | KY | — | ◇ UNVERIFIED |
| D5Division 5 Florida, INC. | Starke | FL | — | ◇ UNVERIFIED |
| D5Division 5, INC. | Winston | GA | — | ◇ UNVERIFIED |
| D8Division 8 CO INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| DMDixie Marketing and Playground Equipment, INC. | Falkville | AL | — | ◇ UNVERIFIED |
| DMDixie Metal Products LLC | Memphis | TN | — | ◇ UNVERIFIED |
| DTDixie Trailer and Truck Equipment | Ashland | VA | — | ◇ UNVERIFIED |
| DEDjb Enterprises LTD. | Phoenix | AZ | — | ◇ UNVERIFIED |
| DIDkoroza, INC | Hialeah | FL | — | ◇ UNVERIFIED |
| DMDLC Manufacturing & Fabrication, Inc. | New Ulm | MN | — | ◇ UNVERIFIED |
| DLD & L Fabricating, INC. | Phoenix | AZ | — | ◇ UNVERIFIED |
| DGDLT Group, Inc. | Highland | MI | — | ◇ UNVERIFIED |
| DMDLT Manufacturing, Inc. | Dallas | TX | — | ◇ UNVERIFIED |
| DGDmc Global | Mount Braddock | PA | — | ◇ UNVERIFIED |
| DID&m, INC | Fairmont | WV | — | ◇ UNVERIFIED |
| DMD M Sabia & CO | Oreland | PA | — | ◇ UNVERIFIED |
| DMDms Machinery & Fabrication | Groveton | NH | — | ◇ UNVERIFIED |
| DSD.m.s. Shredding, INC. | Hanover Township | PA | — | ◇ UNVERIFIED |
| DBD&n Bending CORP. | Romeo | MI | — | ◇ UNVERIFIED |
| DADo All Industries USA LTD | Glenburn | ND | — | ◇ UNVERIFIED |
| DSDogan Steel, INC. | Northport | AL | — | ◇ UNVERIFIED |
| DFDog Fabrication and Design LLC | Mooresville | NC | — | ◇ UNVERIFIED |
| DSDoing Steel, INC. | Stillwater | OK | — | ◇ UNVERIFIED |
| DMDoll Marine Metal Fabrication, INC. | Fort Lauderdale | FL | — | ◇ UNVERIFIED |
| DFDonald F. Deaven INC. | Newark | DE | — | ◇ UNVERIFIED |
| DFDonald F. Deaven INC. | Wilmington | DE | — | ◇ UNVERIFIED |
| DFDonald F. Deaven, INC. | Middletown | DE | — | ◇ UNVERIFIED |
| DWDonald W Ramos | Albuquerque | NM | — | ◇ UNVERIFIED |
| DBDon Bateman Sheet Metal Fabrication | Sapulpa | OK | — | ◇ UNVERIFIED |
| DMDoneright Metal Works | Beloit | WI | — | ◇ UNVERIFIED |
| DCDonna C. Pursell | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| DIDonnerite INC | New London | MN | — | ◇ UNVERIFIED |
| DTDon't Trip Enterprises | Signal Hill | CA | — | ◇ UNVERIFIED |
| DCDoral Corporation | Milwaukee | WI | — | ◇ UNVERIFIED |
| DCDoral Corporation | Milwaukee | WI | — | ◇ UNVERIFIED |
| DSDose Steelworks, Inc | Story City | IA | — | ◇ UNVERIFIED |
| DSDothan Steel Fabricators LLC | Dothan | AL | — | ◇ UNVERIFIED |
| DADouble a Metal Fabrication INC | Roseburg | OR | — | ◇ UNVERIFIED |
| DDDouble Diamond HCI LLC | Cheyenne | WY | — | ◇ UNVERIFIED |
| DWDove Welding & Fabrication, INC. | Hampton | VA | — | ◇ UNVERIFIED |
| DEDown East Machines & Engineering | Mechanic Falls | ME | — | ◇ UNVERIFIED |
| DMDpr Machine Shop INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| DMDraco MFG. Inc. | Davisburg | MI | — | ◇ UNVERIFIED |
| DPDragon Products, Limited Partnership | Lathrop | CA | — | ◇ UNVERIFIED |
| DPDragon Products, LTD | Los Fresnos | TX | — | ◇ UNVERIFIED |
| DMDraper Metals, INC. | West Bridgewater | MA | — | ◇ UNVERIFIED |
| DLDrei, LLC | Nampa | ID | — | ◇ UNVERIFIED |
| DDrewfab | West Harrison | IN | — | ◇ UNVERIFIED |
| DMDrexel Metals, INC. | Elkridge | MD | — | ◇ UNVERIFIED |
| DIDreyfus-courtney, INC. | Broussard | LA | — | ◇ UNVERIFIED |
| DFDriven Fabrication LLC. | White Lake | MI | — | ◇ UNVERIFIED |
| DPDriven Performance | Fresno | CA | — | ◇ UNVERIFIED |
| DLDriver Leasing | Amarillo | TX | — | ◇ UNVERIFIED |
| DADrm Associates, INC. | Manchester | MD | — | ◇ UNVERIFIED |
| DFDRT Fabrication LLC | Gilbert | AZ | — | ◇ UNVERIFIED |
| DUDsi Underground Systems INC | Louisville | KY | — | ◇ UNVERIFIED |
| DMDs Manufacturing INC | Pine Island | MN | — | ◇ UNVERIFIED |
| DSD & S Metal Designs INC | Sherwood | OR | — | ◇ UNVERIFIED |
| DPD-s Pipe & Steel Supply, LLC | Baltimore | MD | — | ◇ UNVERIFIED |
| DSD&S Services LLC | Hampton | VA | — | ◇ UNVERIFIED |
