| CLCustom Land Holding Company LLC | LaBelle | FL | — | ◇ UNVERIFIED |
| CMCustom Machining INC | Mount Sterling | KY | — | ◇ UNVERIFIED |
| CMCustom Manufacturing | Folkston | GA | — | ◇ UNVERIFIED |
 Custom Marine Components, INC. | Jacksonville | FL | — | ◇ UNVERIFIED |
| CMCustom Metal Products, INC. | Los Angeles (chatsworth Area) | CA | — | ◇ UNVERIFIED |
| CMCustom Metal Roofing, INC. | Murrayville | GA | — | ◇ UNVERIFIED |
| CMCustom Metal Specialties, INC. | Pinellas Park | FL | — | ◇ UNVERIFIED |
| CMCustom Metal Works, INC. | Rincon | GA | — | ◇ UNVERIFIED |
| CMCustom Molded Products | Phoenix | AZ | — | ◇ UNVERIFIED |
| COCustom Ornamental Iron INC | Blacksburg | VA | — | ◇ UNVERIFIED |
 Custom Products of Litchfield INC | Litchfield | MN | — | ◇ UNVERIFIED |
| CSCustom Sheet Metal, INC. | Gaithersburg | MD | — | ◇ UNVERIFIED |
| CSCustom Sheetmetal Services, INC. | Durham | NC | — | ◇ UNVERIFIED |
| CSCustom Stainless Steel Equipment Co. Inc. | LaBelle | FL | — | ◇ UNVERIFIED |
| CSCustom Stainless Steel INC | Shoreview | MN | — | ◇ UNVERIFIED |
| CSCustom Steel Fabricators, INC. | Randleman | NC | — | ◇ UNVERIFIED |
| CTCustom Tool & Design Company INC | Huntingdon | TN | — | ◇ UNVERIFIED |
| CWCustom Welding INC. | Frenchtown | NJ | — | ◇ UNVERIFIED |
| CACut Apart Metal Art | Aurora | CO | — | ◇ UNVERIFIED |
| CMCutters Machine Tool INC | Lexington | TN | — | ◇ UNVERIFIED |
| CECutting Edge Fabrication, INC. | Gastonia | NC | — | ◇ UNVERIFIED |
| CECutting Edge Manufacturing, INC. | Nampa | ID | — | ◇ UNVERIFIED |
| CICv International INC | Torrance | CA | — | ◇ UNVERIFIED |
| CLCW Laser and Fabrication LLC | Grandview | MO | — | ◇ UNVERIFIED |
| CPCw Precision Fabrication and Welding, INC. | Houston | TX | — | ◇ UNVERIFIED |
| CSCwp Sheet Metal, INC. | Geneva | FL | — | ◇ UNVERIFIED |
| CSCw Seahorn Enterprises LTD | Houston | TX | — | ◇ UNVERIFIED |
| CICyclops Iron Works | Mamaroneck | NY | — | ◇ UNVERIFIED |
| CMCygnet Manufacturing CO. INC | Oaks | PA | — | ◇ UNVERIFIED |
| CSCynergy Systems, INC. | Delray Beach | FL | — | ◇ UNVERIFIED |
| CFCypress Fabrication Services, L.L.C. | St Martinville | LA | — | ◇ UNVERIFIED |
| CTCzech Tool, INC. | Saegertown | PA | — | ◇ UNVERIFIED |
| DLD2h, LLC | Salem | OR | — | ◇ UNVERIFIED |
| DEDa Eun Pacific | Tamuning | GU | — | ◇ UNVERIFIED |
| DIDaktronics INC | Redwood Falls | MN | — | ◇ UNVERIFIED |
| DMDal Machine INC | Otsego | MN | — | ◇ UNVERIFIED |
| DIDalsin Industries INC | Bloomington | MN | — | ◇ UNVERIFIED |
| DMD&a Metal Fabrication INC | Van Nuys | CA | — | ◇ UNVERIFIED |
| DDDan Dee Air INC. | Hutchinson | KS | — | ◇ UNVERIFIED |
| DEDane Engineering INC | Brainerd | MN | — | ◇ UNVERIFIED |
 Dane Manufacturing | Waunakee | WI | — | ◇ UNVERIFIED |
| DDDaniel Dole, Artist Blacksmith | Berkeley | CA | — | ◇ UNVERIFIED |
| DKDaniel Kirsch | Woodburn | OR | — | ◇ UNVERIFIED |
| DLDaniels' Louver & Sheet Metal Company, INC. | Mobile | AL | — | ◇ UNVERIFIED |
| DSDaniels Sheet Metal | Orange Beach | AL | — | ◇ UNVERIFIED |
| DMDanny Music Sheet Metal | Lilburn | GA | — | ◇ UNVERIFIED |
| DEDanson Enterprises, LLC | Fort Collins | CO | — | ◇ UNVERIFIED |
| DFDarchuks Fabrication and Stainless Steel Works INC | Park Rapids | MN | — | ◇ UNVERIFIED |
| DMDarling Manufacturing CO. | Pender | NE | — | ◇ UNVERIFIED |
| DWDarrell W. Strunk Dba Strunk's Roofing & Home Impr | Lexington | KY | — | ◇ UNVERIFIED |
| DWDasco Welded Products, INC. | Waterbury | CT | — | ◇ UNVERIFIED |
| DMData Metalcraft INC | Chaska | MN | — | ◇ UNVERIFIED |
| DTDau Thermal Solutions NA | Macedon | NY | — | ◇ UNVERIFIED |
| DFDave's Flow Measurement, LLC | Fort Collins | CO | — | ◇ UNVERIFIED |
| DADavid Alan Wright | Coos Bay | OR | — | ◇ UNVERIFIED |
| DMDavid Maldonado | San Marcos | CA | — | ◇ UNVERIFIED |
| DWDavid W. Bonacci Dba American Rain Gutter | Sacramento | CA | — | ◇ UNVERIFIED |
| DWDavid Whitlow | Adamsville | TN | — | ◇ UNVERIFIED |
| DWDavid Wiest | Knoxville | TN | — | ◇ UNVERIFIED |
| DVDa Vinci Metal Works, LLC | Chula Vista | CA | — | ◇ UNVERIFIED |
| DGDavis Gregg Enterprises INC | Santee | CA | — | ◇ UNVERIFIED |
| DMDavis Metal & Powder Coating, LLC | Port Clinton | OH | — | ◇ UNVERIFIED |
| DIDayani Investments LLC | Las Vegas | NV | — | ◇ UNVERIFIED |
| DIDayco, INC. | Mobile | AL | — | ◇ UNVERIFIED |
| DUDayco USA INC. | Clearwater | FL | — | ◇ UNVERIFIED |
| DSDayton Steel Fabricators | Houston | TX | — | ◇ UNVERIFIED |
| DSDb2 Services | Kansas City | KS | — | ◇ UNVERIFIED |
| DBDb Building Fasteners INC | Ontario | CA | — | ◇ UNVERIFIED |
| DFD&b Fabrication Plus, INC. | Riverside | CA | — | ◇ UNVERIFIED |
| DBD & B Metal Roofing Supply INC. | Anniston | AL | — | ◇ UNVERIFIED |
| DMD&C Machine LLC | Mechanicsburg | PA | — | ◇ UNVERIFIED |
| DIDcs Industries LLC | Phoenix | AZ | — | ◇ UNVERIFIED |
| DRDDB Real Estate, LLC | Tifton | GA | — | ◇ UNVERIFIED |
| DDD & D Design Manufacturing INC. | Oklahoma City | OK | — | ◇ UNVERIFIED |
| DSD&d Sheet Metal | Lutz | FL | — | ◇ UNVERIFIED |
| DIDds Industries INC | Fall River | MA | — | ◇ UNVERIFIED |
| DMDdssaa Mfg., LLC | Salisbury | NC | — | ◇ UNVERIFIED |
| DWD&d Weld Fab, INC | Centerville | LA | — | ◇ UNVERIFIED |
| DDD & D Welding/fab INC. | Centerville | LA | — | ◇ UNVERIFIED |
| DADe Anza Contractors INC | Riverside | CA | — | ◇ UNVERIFIED |
| DMDecker Machine Works, INC | Ashfield | MA | — | ◇ UNVERIFIED |
| DMDefiance Metal Products | Bedford | PA | — | ◇ UNVERIFIED |
| DJDe Jong Iron Works | Orangeburg | NY | — | ◇ UNVERIFIED |
| DYDelbert Young Sheet Metal Service | Ardmore | OK | — | ◇ UNVERIFIED |
 Dellinger Enterprises, LTD. | Belmont | NC | — | ◇ UNVERIFIED |
| DCDelta Consolidated, LLC | Harvey | LA | — | ◇ UNVERIFIED |
| DMDelta Metals, LLC | Leon | IA | — | ◇ UNVERIFIED |
| DPDelta Pattern, INC. | South Gate | CA | — | ◇ UNVERIFIED |
| DSDelta Sheet Metal CORP. | New York | NY | — | ◇ UNVERIFIED |
| DTDelta Trailer, INC. | Houston | TX | — | ◇ UNVERIFIED |
| DWDeluxe Welding, INC. | Reno | NV | — | ◇ 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 |
| DBDenpak Building Products INC | Denver | CO | — | ◇ UNVERIFIED |
| DIDerlan INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| DDero/everlast | Fridley | MN | — | ◇ UNVERIFIED |
| DODesert Owl Forge LLC | Pahrump | NV | — | ◇ UNVERIFIED |
| DPDesert Plastering L.l.c. | North Las Vegas | NV | — | ◇ UNVERIFIED |
| DBDesign By Initiative LLC | Newnan | GA | — | ◇ UNVERIFIED |
