| DTDavis Trailer & Truck Equipment | Little Rock | AR | — | ◇ UNVERIFIED |
 Dayton Superior Corporation | Birmingham | AL | — | ◇ UNVERIFIED |
| DSDelta Steel Company INC | Jackson | MS | — | ◇ UNVERIFIED |
| DWDerby Welding and Machine Co., INC. | Louisville | KY | — | ◇ UNVERIFIED |
| DCD-g Custom Chrome LLC | Cincinnati | OH | — | ◇ UNVERIFIED |
| DIDiebold INC | Sumter | SC | — | ◇ UNVERIFIED |
| DDDillon Decanter & Machine INC | Eleanor | WV | — | ◇ UNVERIFIED |
| DFDiversified Fabricating INC | Oneonta | AL | — | ◇ UNVERIFIED |
| DIDiversified Industries INC | Troutville | VA | — | ◇ UNVERIFIED |
| DSDiversified Steel Fabricators, INC. | Wetumpka | AL | — | ◇ UNVERIFIED |
| D5Division 5, LLC (dba Structural Steel of Carolina) | Hickory | NC | — | ◇ UNVERIFIED |
| DSDixie Southern Industrial INC | Auburndale | FL | — | ◇ UNVERIFIED |
| DJD & J Metal Products, INC. | Memphis | TN | — | ◇ UNVERIFIED |
| DEDoor Engineering & Manufacturing | Kasota | MN | — | ◇ UNVERIFIED |
| DPDragon Products | La Porte | TX | — | ◇ UNVERIFIED |
| DBDs Brown\lewis Engineering Division | Chaska | MN | — | ◇ UNVERIFIED |
| DCDuroweld CO INC | Lake Bluff | IL | — | ◇ UNVERIFIED |
| DCDuvinge Corporation | Hagerstown | MD | — | ◇ UNVERIFIED |
| DEDynamic Enterprises INC | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| DIDynamic Industries INC | New Iberia | LA | — | ◇ UNVERIFIED |
| DIDynamic Industries INC - Lake Charles Facility | Lake Charles | LA | — | ◇ UNVERIFIED |
 Dynamic Industries - Topside West Yard | New Iberia | LA | — | ◇ UNVERIFIED |
| DODynamic Offshore Contractors INC | New Iberia | LA | — | ◇ UNVERIFIED |
| DWDynamic West Virginia - Site 1 | Morgantown | WV | — | ◇ UNVERIFIED |
| ESEaglespan Steel Structures | Fort Collins | CO | — | ◇ UNVERIFIED |
| ETEagle Tubular Products INC | Alton | IL | — | ◇ UNVERIFIED |
| ECEastern Cast Hardware CO INC | West Springfield | MA | — | ◇ UNVERIFIED |
| EIEastpointe Industries | Muskogee | OK | — | ◇ UNVERIFIED |
| EIEckel Industries Noise Control Technologies | Cambridge | MA | — | ◇ UNVERIFIED |
| EFEdsco Fasteners | Denton | TX | — | ◇ UNVERIFIED |
| EOEdwards Ornamental Iron INC | Jacksonville | FL | — | ◇ UNVERIFIED |
| EPEga Products INC | Brookfield | WI | — | ◇ UNVERIFIED |
| ESElm Solutions CORP | Seattle | WA | — | ◇ UNVERIFIED |
| EMEmats Manufacturing, LLC | Cedar Bluff | VA | — | ◇ UNVERIFIED |
| EFEmerson Fabrication Group LLC | Oneonta | AL | — | ◇ UNVERIFIED |
| EMEmerson Mfg / Dmd Mfg | Pender | NE | — | ◇ UNVERIFIED |
| EFEmmerson Fabrication Group LLC | Oneonta | AL | — | ◇ UNVERIFIED |
| EIEmpire Industrial Fabricators CORP | Albany | NY | — | ◇ UNVERIFIED |
| ECEnerfab CORP | Cincinnati | OH | — | ◇ UNVERIFIED |
| EEEnglert Engineering Co* | Nashville | TN | — | ◇ UNVERIFIED |
| EIEnglish Ironworks INC. | Sarasota | FL | — | ◇ UNVERIFIED |
| EOEnsley Ornamental Iron Company INC | Birmingham | AL | — | ◇ UNVERIFIED |
| EIEnvirex, INC | Madison | IN | — | ◇ UNVERIFIED |
| EIEnvirofab INC. | Cleveland | OH | — | ◇ UNVERIFIED |
 Equipment Fabricators INC | Pell City | AL | — | ◇ UNVERIFIED |
| EFEta Fabrication, INC. | Avilla | IN | — | ◇ UNVERIFIED |
| ECEutectic Corporation | Menomonee Falls | WI | — | ◇ UNVERIFIED |
| EFExcel Fabrication INC. | Paramount | CA | — | ◇ UNVERIFIED |
| EMExpress Metal Fabricators Llc-st George Steel Division | Murray | UT | — | ◇ UNVERIFIED |
| ESExpress Scale Parts | Shawnee | KS | — | ◇ UNVERIFIED |
