| DBDavis Boat Works INC | Newport News | VA | — | ◇ UNVERIFIED |
| DIDavis Iron Works Operations | Hewitt | TX | — | ◇ UNVERIFIED |
| DTDavis Trailer & Truck Equipment | Little Rock | AR | — | ◇ UNVERIFIED |
 Dayton Superior Corporation | Birmingham | AL | — | ◇ UNVERIFIED |
| DWDeck West INC. | Stockton | CA | — | ◇ UNVERIFIED |
| DSDelta Steel Company INC | Jackson | MS | — | ◇ UNVERIFIED |
| DWDerby Welding and Machine Co., INC. | Louisville | KY | — | ◇ UNVERIFIED |
| DTDetroit Tool Engineering | Lebanon | MO | — | ◇ 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 |
| DLDiversified Lancaster | Lancaster | NY | — | ◇ 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 |
| DTDover Tubular Alloys INC | Dover | NJ | — | ◇ UNVERIFIED |
| DPDragon Products | La Porte | TX | — | ◇ UNVERIFIED |
| DBDs Brown\lewis Engineering Division | Chaska | MN | — | ◇ UNVERIFIED |
| DPDuco Pipe Manufacturing Facility | Houston | TX | — | ◇ UNVERIFIED |
| DCDuroweld CO INC | Lake Bluff | IL | — | ◇ 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 |
| EAEaton Aviation Corporation | Aurora | CO | — | ◇ UNVERIFIED |
| EIEckel Industries Noise Control Technologies | Cambridge | MA | — | ◇ UNVERIFIED |
| EFEdsco Fasteners | Denton | TX | — | ◇ 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 |
| EIEnersys INC | Sumter | SC | — | ◇ UNVERIFIED |
| EEEnglert Engineering Co* | Nashville | TN | — | ◇ 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 |
| EHEvans Houston CORP | Houston | TX | — | ◇ UNVERIFIED |
| EFExcel Fabrication INC. | Paramount | CA | — | ◇ UNVERIFIED |
| EMExpress Metal Fabricators Llc-st George Steel Division | Murray | UT | — | ◇ UNVERIFIED |
| ESExpress Scale Parts | Shawnee | KS | — | ◇ UNVERIFIED |
| FPFabricated Products of Tampa, INC. | Tampa | FL | — | ◇ UNVERIFIED |
| FCFactory Company International INC the | Spokane | WA | — | ◇ UNVERIFIED |
| FPFairlead Precision Manufacturing & Integration | Portsmouth | VA | — | ◇ UNVERIFIED |
| FRFaith Regional Health Services | Norfolk | NE | — | ◇ UNVERIFIED |
| FTFargo Tank Company | Fargo | ND | — | ◇ UNVERIFIED |
| FAFarr Air Pollution Control | Jonesboro | AR | — | ◇ UNVERIFIED |
| FFFast Fabricator INC Dba Water Works Mfg | Olivehurst | CA | — | ◇ UNVERIFIED |
| FFFerguson Facility #3314 | Theodore | AL | — | ◇ UNVERIFIED |
| FRFerrell-ross Roll Manufacturing | Hereford | TX | — | ◇ UNVERIFIED |
 Fiba Technologies INC | Louisville | KY | — | ◇ UNVERIFIED |
| Fiba Technologies INC | Millbury | MA | — | ◇ UNVERIFIED |
| FFibrebond | Edelstein | IL | — | ◇ UNVERIFIED |
| FMFidelity Manufacturing LLC | Ocala | FL | — | ◇ UNVERIFIED |
| FLFischer Lime & Cement Garage | Memphis | TN | — | ◇ UNVERIFIED |
| FLFisher & Ludlow Inc/saegertown | Saegertown | PA | — | ◇ UNVERIFIED |
| FMFlorida Metal Products | Jacksonville | FL | — | ◇ UNVERIFIED |
| FMFluid Marine LLC | Auburn | WA | — | ◇ UNVERIFIED |
| FSFmt Shipyard & Repair LLC - Universal Services & Associates | Belle Chasse | LA | — | ◇ UNVERIFIED |
| FAFormerly Automatic Lawn Sprinkler | Farmingdale | NY | — | ◇ UNVERIFIED |
| FMFormer Mrp LLC ( Bldg-2 ( Njdep Isra Case# 20160039)) | South Plainfield | NJ | — | ◇ UNVERIFIED |
| FSFritz Structural Steel INC | Valley Head | AL | — | ◇ UNVERIFIED |
| FGFrontier Gratings, LLC | Fort Payne | AL | — | ◇ UNVERIFIED |
| FRFront Range Steel INC | Wellington | CO | — | ◇ UNVERIFIED |
| FEFulton Equipment | Toledo | OH | — | ◇ UNVERIFIED |
| FMFwm Mechanical INC | Taylor | LA | — | ◇ UNVERIFIED |
| GFGadsden Fabrication INC | Gadsden | AL | — | ◇ UNVERIFIED |
| GIGa Ind | Cranberry Township | PA | — | ◇ UNVERIFIED |
| GIGa Industries, Mars Facility Stormwater | Mars | PA | — | ◇ UNVERIFIED |
| GIGalbreath, Incorporated | Mansfield | TX | — | ◇ UNVERIFIED |
| GAGalfab Acquisitions, LLC | Winamac | IN | — | ◇ UNVERIFIED |
| GSGambone Steel Company, INC. | Eagleville | PA | — | ◇ UNVERIFIED |
| GIGarbe Iron Works INC | Aurora | IL | — | ◇ UNVERIFIED |
| GCGardner Cryogenics | Bethlehem | PA | — | ◇ UNVERIFIED |
| GCGateway Company-graham | Saint Louis | MO | — | ◇ UNVERIFIED |
| GDGator Dock and Marine | Sanford | FL | — | ◇ UNVERIFIED |
| GFGeismar Fabrication Facility | Geismar | LA | — | ◇ UNVERIFIED |
| GEGem Equipment & Mfg | Roanoke | IL | — | ◇ UNVERIFIED |
| GFGem Fabrication | Renton | WA | — | ◇ UNVERIFIED |
| GIGencor Industries INC | Marquette | IA | — | ◇ UNVERIFIED |
| GAGeneral Atomics Ems Division, Tupelo | Shannon | MS | — | ◇ UNVERIFIED |
| GFGeneral Fabricators INC - New Iberia Facility | New Iberia | LA | — | ◇ UNVERIFIED |
| GSGeneral Saw Company | Tampa | FL | — | ◇ UNVERIFIED |
| GSGeneral Steel Products | Everett | MA | — | ◇ UNVERIFIED |
| GMGenerant Mfg/meadville | Meadville | PA | — | ◇ UNVERIFIED |
| GIGeorgia-steel INC | Macon | GA | — | ◇ UNVERIFIED |
