| DIDelta-Ray Industries, Inc. | Bridgeport | CT | — | ◇ UNVERIFIED |
| DTDelta Trailer, INC. | Houston | TX | — | ◇ UNVERIFIED |
| DMDempster Machine Shop Incorporated | Knoxville | TN | — | ◇ UNVERIFIED |
| DPDenham Plastics LLC | Salinas | CA | — | ◇ UNVERIFIED |
| DMDennie's Manufacturing INC. | Canandaigua | NY | — | ◇ UNVERIFIED |
| DMDennie's Manufacturing INC. | Canandaigua | NY | — | ◇ UNVERIFIED |
| DADENO Amalgamated, LLC | Dayton | OH | — | ◇ UNVERIFIED |
| DDero/everlast | Fridley | MN | — | ◇ UNVERIFIED |
| DLDesemco, LLC | Marietta | GA | — | ◇ UNVERIFIED |
| DPDesert Plastering L.l.c. | North Las Vegas | NV | — | ◇ UNVERIFIED |
| DPDesert Precision Products, LLC | Kingman | AZ | — | ◇ UNVERIFIED |
| DMDeshler's Machine Shop | Bangor | PA | — | ◇ UNVERIFIED |
| DCDesign Corrugating CO | Oakdale | CA | — | ◇ UNVERIFIED |
| DCDesign Corrugating Company | Taylorville | IL | — | ◇ UNVERIFIED |
 Design Engineering | Simi Valley | CA | — | ◇ UNVERIFIED |
| DEDesign Enterprizes, LLC | Westminster | MD | — | ◇ UNVERIFIED |
| DSDesigner Sinks | Hanover | MA | — | ◇ UNVERIFIED |
| DFDesign Fab, INC. | Baton Rouge | LA | — | ◇ UNVERIFIED |
| DSDesign Shapes in Steel | South El Monte | CA | — | ◇ UNVERIFIED |
| DMDesignTech Manufacturing LLC | Stanley | WI | — | ◇ UNVERIFIED |
| DTDesign-tek Tool & Plastics, INC. | Ogden | UT | — | ◇ UNVERIFIED |
| DTDesign Tool & Engineering INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| DMDes Machine Shop, CORP. | Roswell | GA | — | ◇ UNVERIFIED |
| DMDetayl Manufacturing Co., INC. | Zieglersville | PA | — | ◇ UNVERIFIED |
 Detroit Edge Tool Company | Roseville | MI | — | ◇ UNVERIFIED |
| DTDetroit Tubing Mill INC | Detroit | MI | — | ◇ UNVERIFIED |
| DBDevries Bar Grinding INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| DLDewzen LLC | Nashua | NH | — | ◇ UNVERIFIED |
| DMDexter Magnetic Materials Division | Richardson | TX | — | ◇ UNVERIFIED |
| DPD&g Precision Manufacturing, INC. | Eden | WI | — | ◇ UNVERIFIED |
| DGDh Gibbs & Company, INC | Salt Lake City | UT | — | ◇ UNVERIFIED |
| DHD H Machine, INC. | Orange Cove | CA | — | ◇ UNVERIFIED |
| DMD&h Manufacturing | Fremont | CA | — | ◇ UNVERIFIED |
| DFDialed-In Fabrication LLC | Van Buren | AR | — | ◇ UNVERIFIED |
| DCDiameters Corporation | Chicago Heights | IL | — | ◇ UNVERIFIED |
| DIDiamondback Industries, LLC | Lexington | NC | — | ◇ UNVERIFIED |
 Diamondback Manufacturing LLC | Orem | UT | — | ◇ UNVERIFIED |
| DEDiamond Environmental Services LP | Banning | CA | — | ◇ 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 |
| DPDiamond Precision Products | Johnson Creek | WI | — | ◇ UNVERIFIED |
| DWDiamond Wire Spring Company | Tyler | TX | — | ◇ UNVERIFIED |
| DMDice Mold & Engineering, INC. | Itasca | IL | — | ◇ UNVERIFIED |
| DADie and Tool Products, INC. | Hayward | CA | — | ◇ UNVERIFIED |
| DDieform,LLC | Chino | CA | — | ◇ UNVERIFIED |
| DMDie Max of Rochester Inc. | Rochester | NY | — | ◇ UNVERIFIED |
| DTDiemold Tool INC | Shakopee | MN | — | ◇ UNVERIFIED |
| DCDiesel Cast Welding INC | Blaine | MN | — | ◇ UNVERIFIED |
