| DPDiamond Pacific | Barstow | CA | — | ◇ 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 |
| DMDice Mold & Engineering, INC. | Itasca | IL | — | ◇ UNVERIFIED |
| DTDickerson Tool & Engineering LLC. | Chillicothe | MO | — | ◇ UNVERIFIED |
| DMDickey Metal Finishing LLC | Selmer | TN | — | ◇ UNVERIFIED |
| DFDickinson Fleet Service | Tampa | FL | — | ◇ 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 |
| DCDie Cast Prod INC | Gardena | 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 |
| DIDieomatic Incorporated | Battle Creek | MI | — | ◇ UNVERIFIED |
| DCDiesel Cast Welding INC | Blaine | MN | — | ◇ UNVERIFIED |
| DCDiesel Controls Inc. | Massillon | OH | — | ◇ UNVERIFIED |
| DSDie Stampco INC | Bay City | MI | — | ◇ UNVERIFIED |
| DTDie Tech Dba Bieganski Fabrication | Morgan Hill | CA | — | ◇ 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 |
| DSDimic Steel Tech, INC. | Upland | CA | — | ◇ UNVERIFIED |
| DEDinan Engineering, INC | Morgan Hill | CA | — | ◇ UNVERIFIED |
| DODi Oro Living, LLC. | Dalton Gardens | ID | — | ◇ UNVERIFIED |
| DDipsht | Sacramento | CA | — | ◇ UNVERIFIED |
| DEDirected Energy Consultants, LLC | Albuquerque | NM | — | ◇ UNVERIFIED |
| DMDirect Manufacturing and Design LLC | Caldwell | TX | — | ◇ UNVERIFIED |
| DMDirect Manufacturing and Design LLC | Snook | TX | — | ◇ UNVERIFIED |
| DIDirtBound Inc. | Center City | MN | — | ◇ UNVERIFIED |
| DODirtBound Offroad | Chisago City | MN | — | ◇ UNVERIFIED |
| DKDirt King Fabrication | San Diego | CA | — | ◇ UNVERIFIED |
| DCDiscover Casting, INC. | New York | NY | — | ◇ UNVERIFIED |
| DRDisc Replicator, INC. | Walnut | CA | — | ◇ UNVERIFIED |
| DWDisney Worldwide Services | Burbank | CA | — | ◇ UNVERIFIED |
| DWDistrict Welding co., LLC | Oceanside | CA | — | ◇ UNVERIFIED |
| DMDittrich Mechanical - Fabrication INC | Mankato | MN | — | ◇ UNVERIFIED |
| DWdiverse welding & fabrication | Gordonville | PA | — | ◇ UNVERIFIED |
| DDDiversified Diemakers Inc-hannibal Plant | Hannibal | MO | — | ◇ UNVERIFIED |
| DDDiversified Diemakers Inc-palmyra Plant | Palmyra | MO | — | ◇ UNVERIFIED |
| DFDiversified Fabrication & Accessories LLC | Sebring | FL | — | ◇ UNVERIFIED |
| DIDiversified Industrial Service Company | Liberal | KS | — | ◇ UNVERIFIED |
| DMDiversified Machine INC Dba Chassix INC | Howell | MI | — | ◇ UNVERIFIED |
| DMDiversified Machine & Welding, LLC | Findlay | OH | — | ◇ UNVERIFIED |
| DMDiversified Machining & Fabrication | Modesto | CA | — | ◇ UNVERIFIED |
| DMDiversified Metal Fabricators INC | Ferndale | 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 |
| DPDiversified Products INC | Bend | OR | — | ◇ UNVERIFIED |
| DPDiversified Products Mfg | Jacksonville | FL | — | ◇ UNVERIFIED |
| DSDiversified Services, INC. | Wichita | KS | — | ◇ UNVERIFIED |
| DSDiversified Structural Composites | Hickory | NC | — | ◇ UNVERIFIED |
| DSDiversified Systems of Jax | Jacksonville | FL | — | ◇ UNVERIFIED |
| DWDiversified Welding Works INC | Vancouver | WA | — | ◇ UNVERIFIED |
| DLDiversity-vuteq LLC | Blue Springs | MS | — | ◇ UNVERIFIED |
| DXDive Xtras | Everett | WA | — | ◇ UNVERIFIED |
| D5Division 5 | Winston Salem | NC | — | ◇ UNVERIFIED |
| D5Division 5 Fabricators, INC. | Russellville | KY | — | ◇ UNVERIFIED |
| D8Division 8 CO INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| DADixie Aerospace | Atlanta | GA | — | ◇ UNVERIFIED |
| DLDixieline Lumber | Dana Point | CA | — | ◇ UNVERIFIED |
| DMDixie Machine LLC | Holly | MI | — | ◇ UNVERIFIED |
| DMDixie Marketing and Playground Equipment, INC. | Falkville | AL | — | ◇ UNVERIFIED |
| DTDixie Trailer and Truck Equipment | Ashland | VA | — | ◇ UNVERIFIED |
| DBDixon & Birchfield, LLC | Grove City | OH | — | ◇ UNVERIFIED |
 D-j Engineering, INC. | Augusta | KS | — | ◇ UNVERIFIED |
| D-j Engineering INC - Bldg 4a (stormwater) | Augusta | KS | — | ◇ UNVERIFIED |
| D-j Engineering INC - Bldgs 5c & 5e (stormwater) | Augusta | KS | — | ◇ UNVERIFIED |
| D-j Engineering INC - East-1011 (stormwater) | Augusta | KS | — | ◇ UNVERIFIED |
| D-j Engineering INC - East-810 (stormwater) | Augusta | KS | — | ◇ 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 |
| DPDJM Plastics, Ltd. | Findlay | OH | — | ◇ UNVERIFIED |
| DIDk International Associates, INC. | Fort Lauderdale | FL | — | ◇ UNVERIFIED |
| DMDkk Machine INC | Gardena | CA | — | ◇ UNVERIFIED |
| DMDk Manufacturing Lancaster, INC. | Lancaster | OH | — | ◇ UNVERIFIED |
