| DLDaniels' Louver & Sheet Metal Company, INC. | Mobile | AL | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DSDaniels Sheet Metal | Orange Beach | AL | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DMDanny Music Sheet Metal | Lilburn | GA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DWDarrell W. Strunk Dba Strunk's Roofing & Home Impr | Lexington | KY | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DWDasco Welded Products, INC. | Waterbury | CT | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DADavid Alan Wright | Coos Bay | OR | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DWDavid W. Bonacci Dba American Rain Gutter | Sacramento | CA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DWDavid Wiest | Knoxville | TN | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DIDayco, INC. | Mobile | AL | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DUDayco USA INC. | Clearwater | FL | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DSDb2 Services | Kansas City | KS | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DBD & B Metal Roofing Supply INC. | Anniston | AL | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DDD & D Design Manufacturing INC. | Oklahoma City | OK | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| DSD&d Sheet Metal | Lutz | FL | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DIDds Industries INC | Fall River | MA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DMDefiance Metal Products | Bedford | PA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DYDelbert Young Sheet Metal Service | Ardmore | OK | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
 Dellinger Enterprises, LTD. | Belmont | NC | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DCDelta Consolidated, LLC | Harvey | LA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DMDelta Metals, LLC | Leon | IA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DSDelta Sheet Metal CORP. | New York | NY | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DSDenning Sheet Metal, INC | Columbia Falls | MT | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DDDennis Doerr Dba Shafer Metal Fab | Shafer | MN | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DFDennis Filges Company, INC. | Chicora | PA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DBDesign By Initiative LLC | Newnan | GA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DMDewitt Machine & Fabrication, INC. | Medford | ME | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DMD.F Metal Supply LLC | Sanford | FL | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DEDiamante Enterprises, INC. | San Antonio | TX | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DSDimic Steel Tech, INC. | Upland | CA | Primary Metal Manufacturing331420 | — | ◇ UNVERIFIED |
| DWDistrict Welding co., LLC | Oceanside | CA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DMDiversified Metal Fabricators INC | Ferndale | MI | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DPDiversified Products Mfg | Jacksonville | FL | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DSDiversified Systems of Jax | Jacksonville | FL | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| D5Division 5 Fabricators, INC. | Russellville | KY | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DIDkoroza, INC | Hialeah | FL | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DMDLC Manufacturing & Fabrication, Inc. | New Ulm | MN | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DMDLT Manufacturing, Inc. | Dallas | TX | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DID&m, INC | Fairmont | WV | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DMD M Sabia & CO | Oreland | PA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DBDon Bateman Sheet Metal Fabrication | Sapulpa | OK | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DCDoral Corporation | Milwaukee | WI | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DLDuctco, LLC | Bloomfield | CT | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DFDuct Fab, INC. | Houma | LA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DFDuct Fabrication Company, INC. | Oklahoma City | OK | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DSDuct Shop of Nc, INC. | Charlotte | NC | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DUDucts Unlimited INC. | Smyrna | DE | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DPDuel Products INC. | Wylie | TX | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DIDuray INC | Downey | CA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DDDuro Dyne Midwest | Hamilton | OH | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DPDur-red Prod. | Cudahy | CA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
