| DID'agostino Iron Works | East Rochester | NY | — | ◇ UNVERIFIED |
| DMDaher-tli Manufacturing | Abingdon | VA | — | ◇ UNVERIFIED |
| DIDakota, Inc. | East Grand Forks | MN | — | ◇ UNVERIFIED |
| DIDalco Industries | Billings | MT | — | ◇ UNVERIFIED |
| DIDalco Industries, INC. | Denver | CO | — | ◇ UNVERIFIED |
| DBDale Brisco INC. | Fowler | CA | — | ◇ UNVERIFIED |
| DADalton Ag Products | Lenox | IA | — | ◇ UNVERIFIED |
| DAD and R Concrete Construction L.L.C. | Williston | ND | — | ◇ UNVERIFIED |
| DADaniel Alfred Candelaria, an Individual | Lathrop | CA | — | ◇ UNVERIFIED |
| DLDaniel Lang | Roseburg | OR | — | ◇ UNVERIFIED |
| DSDan's Steel Company | Salem | OR | — | ◇ UNVERIFIED |
| DSDan's Steel Company INC | Salem | OR | — | ◇ UNVERIFIED |
| DMDark Metal Machine Works | Oakland | CA | — | ◇ UNVERIFIED |
| DMDavid Marx, CO | Kenner | LA | — | ◇ UNVERIFIED |
| DRDavid Rosa, an Individual | Lathrop | CA | — | ◇ UNVERIFIED |
| DWDavid Whitlow Dba Whitco Steel Fabricators | Adamsville | TN | — | ◇ UNVERIFIED |
| DWDavid Williams | Pompano Beach | FL | — | ◇ UNVERIFIED |
| DFDavis Fabricators, INC. | Oak Harbor | OH | — | ◇ UNVERIFIED |
| DVDavis Vault CO. | Baton Rouge | LA | — | ◇ UNVERIFIED |
| DODawkins On-site LLC | Gregory | TX | — | ◇ UNVERIFIED |
| DEDawn Enterprises, LLC | Manchester | CT | — | ◇ UNVERIFIED |
 Dayton Superior | Valparaiso | IN | — | ◇ UNVERIFIED |
| Dayton Superior Corporation | New Braunfels | TX | — | ◇ UNVERIFIED |
| DCDba Cornick Concrete Products | Pekin | IL | — | ◇ UNVERIFIED |
| DBDb Building Fasteners INC | Ontario | CA | — | ◇ UNVERIFIED |
| DADBM Associates, LLC | Lakeland | FL | — | ◇ UNVERIFIED |
| DPDbs Prestress | Dayton | OH | — | ◇ UNVERIFIED |
| DBD B Western INC | North Bend | OR | — | ◇ UNVERIFIED |
| DSDCH Service Solutions LLC | Clarkesville | GA | — | ◇ UNVERIFIED |
| DCD. Clement, INC. | Dunstable | MA | — | ◇ UNVERIFIED |
| DDD&d Dumpster CORP | Bronx | NY | — | ◇ UNVERIFIED |
| DED&D Electric Motor Pump & Machine, Inc. | Moses Lake | WA | — | ◇ UNVERIFIED |
| DMD&d Mobile Welding and Fabrication, INC. | Fort Pierce | FL | — | ◇ UNVERIFIED |
| DBDeam-ron Building Systems LLC | Lodiburg | KY | — | ◇ UNVERIFIED |
| DCDecatur Concrete Recycling CO | Decatur | IL | — | ◇ UNVERIFIED |
| DHDectile Harkus Construction | Butler | PA | — | ◇ UNVERIFIED |
| DIDedoes Innovative Manufacturing INC | Fowlerville | MI | — | ◇ UNVERIFIED |
| DADeere and Company | Paton | IA | — | ◇ UNVERIFIED |
| DCDeere & CO | Coal Valley | IL | — | ◇ UNVERIFIED |
| DCDeere & Company | Horicon | WI | — | ◇ UNVERIFIED |
| DDDegeorge Driveways | Largo | FL | — | ◇ UNVERIFIED |
| DVDeihl Vault & Precast, INC. | Orangeville | PA | — | ◇ UNVERIFIED |
| DFDelco Fabrication LLC | New Orleans | LA | — | ◇ UNVERIFIED |
| DCDelgado Concrete Products | San Antonio | TX | — | ◇ UNVERIFIED |
| DMDel Monaco Brothers Industries | Sands Point | NY | — | ◇ UNVERIFIED |
| DLDe Loera LLC | Los Angeles | CA | — | ◇ UNVERIFIED |
| DFDelta Fabrication, LLC | Greenville | MS | — | ◇ UNVERIFIED |
| DFDelta Fabrication & Machine, INC. | Daingerfield | TX | — | ◇ UNVERIFIED |
| DIDelta Ironworks INC | Prunedale | CA | — | ◇ UNVERIFIED |
| DEDelwood Equipment LTD | — | WV | — | ◇ UNVERIFIED |
| DCDemag Cranes and Components CORP. (1318535255) | Solon | OH | — | ◇ UNVERIFIED |
| DADeMoss Ag Inc. | Rushville | IL | — | ◇ UNVERIFIED |
| DSDemuth Steel Products, INC. | Mount Joy | PA | — | ◇ UNVERIFIED |
| DMDenbeste Manufacturing INC | Bakersfield | CA | — | ◇ UNVERIFIED |
| DIDenios INC | Okolona | KY | — | ◇ UNVERIFIED |
| DRDennis R. Maxwell | Auburndale | FL | — | ◇ UNVERIFIED |
| DBDenpak Bldg Products INC | Adams Cnty | CO | — | ◇ UNVERIFIED |
| DWDentoni's Welding Works INC | Stockton | CA | — | ◇ UNVERIFIED |
| DWDentoni's Welding Works, INC. | Stockton | CA | — | ◇ UNVERIFIED |
| DBDependable Bagging Co., INC. | Harahan | LA | — | ◇ UNVERIFIED |
| DBDependable Bagging Company, Inc/louisiana Blending | New Orleans | LA | — | ◇ UNVERIFIED |
| DADepottey Acquisitions Dba Econ-o-line Abrasive Prod INC | Grand Haven | MI | — | ◇ UNVERIFIED |
| DMDerco Manufacturing, INC. | Waupun | WI | — | ◇ UNVERIFIED |
| DRDe Rosa Enterprises INC | Escondido | CA | — | ◇ UNVERIFIED |
| DHDerouin Holdings, LLC | Richmond | CA | — | ◇ UNVERIFIED |
| DCDesert Concrete, LLC | North Las Vegas | NV | — | ◇ UNVERIFIED |
| DTDesert Tanks | Lubbock | TX | — | ◇ UNVERIFIED |
| DHDesign Hardware | Mesquite | TX | — | ◇ UNVERIFIED |
| DPDesign Precast & Pipe, INC. | Arnaudville | LA | — | ◇ UNVERIFIED |
| DSDe Steel, INC | Calhan | CO | — | ◇ UNVERIFIED |
| DTDetroit Tool & Metal Products | Fort Madison | IA | — | ◇ UNVERIFIED |
| DCDfw Cast Stone | Royse City | TX | — | ◇ UNVERIFIED |
 DGG Industries, Inc. | Attleboro | MA | — | ◇ UNVERIFIED |
| DSDh Steel Products, LLC | Erie | PA | — | ◇ UNVERIFIED |
| DWDiamond Welding INC | Honolulu | HI | — | ◇ UNVERIFIED |
| DCDiaz Construction | Bogart | GA | — | ◇ UNVERIFIED |
| DRDiaz Roofing and Sheet Metal | Violet | LA | — | ◇ UNVERIFIED |
| DCDick Casey Concrete CO | Carbondale | CO | — | ◇ UNVERIFIED |
| DIDi-cor Industries, INC. | Bristol | CT | — | ◇ UNVERIFIED |
| DSDie Stampco INC | Bay City | MI | — | ◇ UNVERIFIED |
| DIDi-ferraro, INC Dba Totowa Concrete Products | Wayne | NJ | — | ◇ UNVERIFIED |
| DSDimensional Stoneworks LLC | Overland Park | KS | — | ◇ UNVERIFIED |
| DPDi Primo Fabricators INC - Watson Industrial Park | Saint Louis | MO | — | ◇ UNVERIFIED |
| DSDirect Source Supply INC. | Mamaroneck | NY | — | ◇ UNVERIFIED |
| DCDiversified Concrete Cutting INC | Sacramento | CA | — | ◇ UNVERIFIED |
| DHDiversified Holdings of Dallas, INC. | Dallas | NC | — | ◇ UNVERIFIED |
| DSDiversified Steel Fabricators, INC. | Montgomery | AL | — | ◇ UNVERIFIED |
| DDiversitech | Columbus | TX | — | ◇ UNVERIFIED |
| DCDiversitech Corporation | Conyers | GA | — | ◇ UNVERIFIED |
| D5Division 5 Florida, INC. | Starke | FL | — | ◇ UNVERIFIED |
| D5Division 5, INC. | Winston | GA | — | ◇ UNVERIFIED |
| DCDixie Chopper | Fillmore | IN | — | ◇ UNVERIFIED |
| DPDixie Precast, INC. | Austell | GA | — | ◇ UNVERIFIED |
| DJD & J Architectural Precast, INC. | Fort Myers | FL | — | ◇ UNVERIFIED |
| DEDjb Enterprises LTD. | Phoenix | AZ | — | ◇ UNVERIFIED |
| DLD & L Fabricating, INC. | Phoenix | AZ | — | ◇ UNVERIFIED |
| DPD.l.s. Prestressed INC. | Hallandale Beach | FL | — | ◇ UNVERIFIED |
| DGDLT Group, Inc. | Highland | MI | — | ◇ UNVERIFIED |
| DCD&m Concrete Pumping | San Leandro | CA | — | ◇ UNVERIFIED |
| DSD.m.s. Shredding, INC. | Hanover Township | PA | — | ◇ UNVERIFIED |
