| DFDog Fabrication and Design LLC | Mooresville | NC | — | ◇ UNVERIFIED |
| DSDoing Steel, INC. | Stillwater | OK | — | ◇ UNVERIFIED |
| DFDonald F. Deaven INC. | Newark | DE | — | ◇ UNVERIFIED |
| DFDonald F. Deaven INC. | Wilmington | DE | — | ◇ UNVERIFIED |
| DFDonald F. Deaven, INC. | Middletown | DE | — | ◇ UNVERIFIED |
| DLDonald L Farmer INC Dba Farmers Tractor & Equipment CO. | Porterville | CA | — | ◇ UNVERIFIED |
| DWDonald W Ramos | Albuquerque | NM | — | ◇ UNVERIFIED |
| DTDon't Trip Enterprises | Signal Hill | CA | — | ◇ UNVERIFIED |
| DSDose Steelworks, Inc | Story City | IA | — | ◇ UNVERIFIED |
| DSDothan Steel Fabricators LLC | Dothan | AL | — | ◇ UNVERIFIED |
| DADouble a Metal Fabrication INC | Roseburg | OR | — | ◇ UNVERIFIED |
| DUDouble U INC. | Salt Lake City | UT | — | ◇ UNVERIFIED |
| DSDoudney Sheet Metal Works INC. | Miami | FL | — | ◇ UNVERIFIED |
| DWDove Welding & Fabrication, INC. | Hampton | VA | — | ◇ UNVERIFIED |
| DEDown East Machines & Engineering | Mechanic Falls | ME | — | ◇ UNVERIFIED |
| DEDragon Esp Ltd- Steel Plate Manufacturing Plant | Provo | UT | — | ◇ UNVERIFIED |
| DPDragon Products, LTD | Los Fresnos | TX | — | ◇ UNVERIFIED |
| DMDraper Metals, INC. | West Bridgewater | MA | — | ◇ UNVERIFIED |
| DHDrapery Hardware By Jema | North Hollywood | CA | — | ◇ UNVERIFIED |
| DMDrexel Metals, INC. | Elkridge | MD | — | ◇ UNVERIFIED |
| DIDreyfus-courtney, INC. | Broussard | LA | — | ◇ UNVERIFIED |
| DTDrilltec Technologies | Houston | TX | — | ◇ UNVERIFIED |
| DLDriver Leasing | Amarillo | TX | — | ◇ UNVERIFIED |
| DADrm Associates, INC. | Manchester | MD | — | ◇ UNVERIFIED |
| DFDRT Fabrication LLC | Gilbert | AZ | — | ◇ UNVERIFIED |
| DKDrut Kustom Welding and Fabrication, LLC | Provo | UT | — | ◇ UNVERIFIED |
| DUDsi Underground Systems INC | Louisville | KY | — | ◇ UNVERIFIED |
| DSD&S Services LLC | Hampton | VA | — | ◇ UNVERIFIED |
| DHDuckshin Housing America Factory | Athens | GA | — | ◇ UNVERIFIED |
| DSDuluth Steel Fabricators INC | Duluth | MN | — | ◇ UNVERIFIED |
| DADunnottar Advanced Materials Lc | American Fork | UT | — | ◇ UNVERIFIED |
| DADunnottar Advanced Materials Lc | American Fork | UT | — | ◇ UNVERIFIED |
 Duramax Marine Industries | Norwalk | OH | — | ◇ UNVERIFIED |
 Duratech Industries | Bangor | WI | — | ◇ UNVERIFIED |
| DFDustmx Fab, LLC | Sunrise | FL | — | ◇ UNVERIFIED |
| DMDwiggins Metal Masters, INC. | Mocksville | NC | — | ◇ UNVERIFIED |
| DLDxvl LLC | Shoreview | MN | — | ◇ UNVERIFIED |
| DIDyadic Iron Works INC | Portland | OR | — | ◇ UNVERIFIED |
| DODyersburg Ornamental Iron | Dyersburg | TN | — | ◇ UNVERIFIED |
| DADynamic Air Technology INC | Pomona | CA | — | ◇ UNVERIFIED |
 Dynamic Industries | Ingleside | TX | — | ◇ UNVERIFIED |
| DMDynamic Metal Processing Corporation | Hyde Park | PA | — | ◇ UNVERIFIED |
| EFEab Fabrication | Quincy | MI | — | ◇ UNVERIFIED |
| ECEads Cooling Solutions, LLC | Catoosa | OK | — | ◇ UNVERIFIED |
| EKEagleburgmann Ke | Lakeside | CA | — | ◇ UNVERIFIED |
| ECEagle Cap Industries LLC | Yamhill | OR | — | ◇ UNVERIFIED |
| EFEagle Fab INC. | Cartersville | GA | — | ◇ UNVERIFIED |
| ESEaglespan Steel Structures, INC. | Johnstown | CO | — | ◇ UNVERIFIED |
| ETEagle Tanks INC | Aumsville | OR | — | ◇ UNVERIFIED |
| EWEagle Welding & Fabricating, INC. | Willoughby | OH | — | ◇ UNVERIFIED |
| EMEandi Metal Works INC | Oakland | CA | — | ◇ UNVERIFIED |
| EOE&a Ornamental Iron INC | Escondido | CA | — | ◇ UNVERIFIED |
| EQE.a. Quirin Machine Shop, INC. | Saint Clair | PA | — | ◇ UNVERIFIED |
 Earthquake Protection Systems | Richmond | CA | — | ◇ UNVERIFIED |
| ESEarth & Structure INC | Fairfield | ID | — | ◇ UNVERIFIED |
| EAEast Ave Brake & Wheel | Chico | CA | — | ◇ UNVERIFIED |
| EMEastbay Metal LLC | Lynn | MA | — | ◇ UNVERIFIED |
| ECEast Coast Metal Structures CORP. | Plantation | FL | — | ◇ UNVERIFIED |
| ECEast Coast Metal Structures CORP. | Fort Lauderdale | FL | — | ◇ UNVERIFIED |
| ECEast Coast Steel Fabrication INC. | Chesapeake | VA | — | ◇ UNVERIFIED |
| ECEast Coast Steel Fabricators INC. | Chesapeake | VA | — | ◇ UNVERIFIED |
| ECEastern Carver County Schools | Chaska | MN | — | ◇ UNVERIFIED |
| EMEastern Michigan Industries | Warren | MI | — | ◇ UNVERIFIED |
| EIEbsco Industries, INC. | Fernley | NV | — | ◇ UNVERIFIED |
| ECEcb Corporation | West Sacramento | CA | — | ◇ UNVERIFIED |
| EHE.c. Harms Metal Fabricators, INC. | Princeville | IL | — | ◇ UNVERIFIED |
| EDEclipse Design | Petaluma | CA | — | ◇ UNVERIFIED |
| EMEc Metallizing INC. | Westbury | NY | — | ◇ UNVERIFIED |
| EIEconomy Iron, INC. | Melrose Park | IL | — | ◇ UNVERIFIED |
| EWEco Window Systems, LLC | Medley | FL | — | ◇ UNVERIFIED |
| EAEcp American Steel, LLC | Fort Wayne | IN | — | ◇ UNVERIFIED |
| EKEddie Kane Steel Products INC | Commerce | CA | — | ◇ UNVERIFIED |
| EFEdsco Fastners LLC D.b.a Cmc Anchoring Systems | Spanish Fork | UT | — | ◇ UNVERIFIED |
| EJEdwin J Neumeyer | Thermal | CA | — | ◇ UNVERIFIED |
| EIE-fab, INC. | Saginaw | TX | — | ◇ UNVERIFIED |
| EPEfficiency Production INC | Ionia | MI | — | ◇ UNVERIFIED |
| ESEfs Structures | Passaic | NJ | — | ◇ UNVERIFIED |
| EEEhresmann Engineering, INC. | Valley | NE | — | ◇ UNVERIFIED |
| EGEisen Group | Saint Charles | MO | — | ◇ UNVERIFIED |
| EGEisen Group Panel System | Saint Charles | MO | — | ◇ UNVERIFIED |
| ESEisenhart Steel Company, Incorporated | Hanover | PA | — | ◇ UNVERIFIED |
| EAEj Americas LLC | Tooele | UT | — | ◇ UNVERIFIED |
| EUEj USA INC - Syracuse Fabrication | Phoenix | NY | — | ◇ UNVERIFIED |
| EUEj Usa, Inc.- Youngstown Fabrication | Youngstown | OH | — | ◇ UNVERIFIED |
| ECEl Campo Sheet Metal, LLC | El Campo | TX | — | ◇ UNVERIFIED |
| ECElden Cylinder Testing INC | Taylor | MI | — | ◇ UNVERIFIED |
| ESElectro Scientific Industries Incorporated | Portland | OR | — | ◇ UNVERIFIED |
| EDElevated Design & Fab, LLC | Angels Camp | CA | — | ◇ UNVERIFIED |
| EIElias Iron Works | El Monte | CA | — | ◇ UNVERIFIED |
| EIEli Industries, Inc | Los Angeles | CA | — | ◇ UNVERIFIED |
| EIEli Industries INC | Chatsworth | CA | — | ◇ UNVERIFIED |
| ESEliou & Scopelitis Steel Fabrication | Hartsdale | NY | — | ◇ UNVERIFIED |
| EMElite Machine & Design, Inc. | Buffalo | NY | — | ◇ UNVERIFIED |
| EMElite Metal Decking, INC. | Lantana | FL | — | ◇ UNVERIFIED |
| EMElite Metal Fabricators, INC. | Newark | TX | — | ◇ UNVERIFIED |
| EIElixir Industries | Gardena | CA | — | ◇ UNVERIFIED |
| EBElko Blacksmith Shop | Elko | NV | — | ◇ UNVERIFIED |
| ERElk River Machine Company | Elk River | MN | — | ◇ UNVERIFIED |
| ECElliott Company | Fairfield | CA | — | ◇ UNVERIFIED |
| EPEl Paso Machine & Steel INC. | El Paso | TX | — | ◇ UNVERIFIED |
