| DIDenison Industries of California | Denison | TX | — | ◇ UNVERIFIED |
| DMDennie's Manufacturing INC. | Canandaigua | NY | — | ◇ UNVERIFIED |
| DMDennie's Manufacturing INC. | Canandaigua | NY | — | ◇ UNVERIFIED |
| DSDenning Sheet Metal, INC | Columbia Falls | MT | — | ◇ UNVERIFIED |
| DDDennis Doerr Dba Shafer Metal Fab | Shafer | MN | — | ◇ UNVERIFIED |
| DFDennis Filges Company, INC. | Chicora | PA | — | ◇ UNVERIFIED |
| DADennison Automatics | Nunica | MI | — | ◇ UNVERIFIED |
| DADENO Amalgamated, LLC | Dayton | OH | — | ◇ UNVERIFIED |
| DNDe Nora North America INC | Somerset | NJ | — | ◇ UNVERIFIED |
| DADenso Air Systems | Battle Creek | MI | — | ◇ UNVERIFIED |
| DMDenso Manufacturing Michigan INC | Battle Creek | MI | — | ◇ UNVERIFIED |
| DIDent II, LLC | Las Vegas | NV | — | ◇ UNVERIFIED |
| DWDentoni's Welding Works, INC. | Stockton | CA | — | ◇ UNVERIFIED |
| DPDenver Plastics Colorado | Hudson | CO | — | ◇ UNVERIFIED |
| DPDenver Plastics Ne | Wahoo | NE | — | ◇ UNVERIFIED |
| DODepartment of Defense | Corpus Christi | TX | — | ◇ UNVERIFIED |
| DODepartment of Veterans Affairs 3d Printing Laboratory | North Charleston | SC | — | ◇ UNVERIFIED |
| DPDependable Plastics and Pattern | Fairfield | CA | — | ◇ UNVERIFIED |
| DDero/everlast | Fridley | MN | — | ◇ UNVERIFIED |
| DPDesai Precision Duburring INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| DADeschaine and Roy, INC. | Upland | CA | — | ◇ UNVERIFIED |
| DCDeschner Corporation | Santa Ana | CA | — | ◇ 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 |
| DADesign and Fabricating INC | Cokato | MN | — | ◇ UNVERIFIED |
| DADesign and Fabricating INC | Cokato | MN | — | ◇ UNVERIFIED |
| DBDesign By Built to Last, INC | Venice | FL | — | ◇ UNVERIFIED |
| DBDesign By Initiative LLC | Newnan | GA | — | ◇ UNVERIFIED |
| DCDesign Corrugating CO | Oakdale | CA | — | ◇ UNVERIFIED |
| DCDesign Corrugating Company | Taylorville | IL | — | ◇ UNVERIFIED |
 Design Engineering | Simi Valley | CA | — | ◇ UNVERIFIED |
| Design Engineering & Manufacturing CO | Braham | MN | — | ◇ UNVERIFIED |
| DEDesign Enterprizes, LLC | Westminster | MD | — | ◇ UNVERIFIED |
| DSDesigner Sinks | Hanover | MA | — | ◇ UNVERIFIED |
| DSDesigners Sash & Door | Perris | CA | — | ◇ UNVERIFIED |
| DFDesign Fab, INC. | Baton Rouge | LA | — | ◇ UNVERIFIED |
| DMDesign Machine | Sacramento | CA | — | ◇ UNVERIFIED |
| DPDesign Plastics INC. | Omaha | NE | — | ◇ UNVERIFIED |
| DFDesigns for Tomorrow, INC. | Saint Louis | MO | — | ◇ UNVERIFIED |
| DSDesign Shapes in Steel | South El Monte | CA | — | ◇ UNVERIFIED |
| DMDesignTech Manufacturing LLC | Stanley | WI | — | ◇ UNVERIFIED |
| DTDesign Tek Holdings, LLC | Pleasant View | UT | — | ◇ UNVERIFIED |
| DTDesign-tek Tool & Plastics, INC. | Ogden | UT | — | ◇ UNVERIFIED |
| DTDesign Tool & Engineering INC | Minneapolis | MN | — | ◇ UNVERIFIED |
 DESJ Phillips, LLC | Halifax | PA | — | ◇ UNVERIFIED |
| DMDes Machine Shop, CORP. | Roswell | GA | — | ◇ UNVERIFIED |
| DSD.E. Smith Inc | Des Moines | IA | — | ◇ UNVERIFIED |
| DMDetayl Manufacturing Co., INC. | Zieglersville | PA | — | ◇ UNVERIFIED |
| DBDeterman Brownie INC - Nassau St | Minneapolis | MN | — | ◇ UNVERIFIED |
 Detroit Edge Tool Company | Roseville | MI | — | ◇ UNVERIFIED |
| DFDetroit Forming INC | Southfield | MI | — | ◇ UNVERIFIED |
| DFDetroit Forming INC | Aurora | IL | — | ◇ UNVERIFIED |
| DFDetroit Forming, INC. | Nash | TX | — | ◇ UNVERIFIED |
| DTDetroit Tubing Mill INC | Detroit | MI | — | ◇ UNVERIFIED |
| DCDeutsch CO Metal Components D | Gardena | CA | — | ◇ UNVERIFIED |
| DFDeutsch Fastner Company | Paramount | CA | — | ◇ UNVERIFIED |
| DEDevault Enterprises, INC | Broken Arrow | OK | — | ◇ UNVERIFIED |
| DDevco | Redlands | CA | — | ◇ UNVERIFIED |
| DRDevil Ray INC Dba Supra Alloys Castle Metals | Paramount | CA | — | ◇ UNVERIFIED |
| DMDevincenzi Metal Products | Burlingame | CA | — | ◇ UNVERIFIED |
| DMDevin Mfg., INC. | Arcade | NY | — | ◇ UNVERIFIED |
| DEDevore Engraving, Inc. | Canton | OH | — | ◇ UNVERIFIED |
| DBDevries Bar Grinding INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| DTDeWeyl Tool Co., Inc. | Petaluma | CA | — | ◇ UNVERIFIED |
| DMDewitt Machine & Fabrication, INC. | Medford | ME | — | ◇ UNVERIFIED |
| DLDewzen LLC | Nashua | NH | — | ◇ UNVERIFIED |
| DDDexter Distribution Center | Dexter | MI | — | ◇ UNVERIFIED |
| DMDexter Magnetic Materials Division | Richardson | TX | — | ◇ UNVERIFIED |
| DSDexter Stamping CO LLC | Jackson | MI | — | ◇ UNVERIFIED |
| DFD & F Corporation | Sterling Heights | MI | — | ◇ UNVERIFIED |
| DMD.F Metal Supply LLC | Sanford | FL | — | ◇ UNVERIFIED |
| DPDgc Plastic Moldings | East Enterprise | IN | — | ◇ UNVERIFIED |
| DFD&g Fiberglass | Sun Valley | CA | — | ◇ UNVERIFIED |
| DPD&g Precision Manufacturing, INC. | Eden | WI | — | ◇ UNVERIFIED |
| DBDh Blattner | Daggett | CA | — | ◇ UNVERIFIED |
| DGDh Gibbs & Company, INC | Salt Lake City | UT | — | ◇ UNVERIFIED |
| DHD H Machine, INC. | Orange Cove | CA | — | ◇ UNVERIFIED |
| DMD&h Manufacturing | Fremont | CA | — | ◇ UNVERIFIED |
| DHD & H Screw Products INC | Paramount | CA | — | ◇ UNVERIFIED |
| DTDh Technology INC | San Jose | CA | — | ◇ UNVERIFIED |
| DFDialed-In Fabrication LLC | Van Buren | AR | — | ◇ UNVERIFIED |
| DIDial Industries INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| DEDiamante Enterprises, INC. | San Antonio | TX | — | ◇ UNVERIFIED |
| DCDiameters Corporation | Chicago Heights | IL | — | ◇ UNVERIFIED |
| DDiamodent | Anaheim | CA | — | ◇ UNVERIFIED |
| DIDiamondback Industries, LLC | Lexington | NC | — | ◇ UNVERIFIED |
 Diamondback Manufacturing LLC | Orem | UT | — | ◇ UNVERIFIED |
| DBDiamond B, INC. | Cypress | CA | — | ◇ UNVERIFIED |
| DEDiamond Environmental Services LP | Banning | CA | — | ◇ UNVERIFIED |
| DEDiamond Eye Manufacturing LLC | Athena | OR | — | ◇ UNVERIFIED |
| DFDiamond Fiberglass Industrial Services | Victoria | TX | — | ◇ UNVERIFIED |
| DGDiamond Game Enterprises | Chatsworth | CA | — | ◇ UNVERIFIED |
| DIDiamond Industries, INC. | Milwaukee | WI | — | ◇ UNVERIFIED |
| DMDiamond Manufacturing CORP C/o | San Leandro | CA | — | ◇ UNVERIFIED |
| DMDiamond Metal Finishing | Houston | TX | — | ◇ UNVERIFIED |
| DMDiamond Metal Products INC | Ham Lake | MN | — | ◇ UNVERIFIED |
| DMDiamond Metals Distribution INC. | Cleveland | OH | — | ◇ UNVERIFIED |
| DMDiamond Mfg CORP | San Leandro | CA | — | ◇ UNVERIFIED |
