| EEEnglert Engineering Co* | Nashville | TN | — | ◇ UNVERIFIED |
| ESEnnis Steel Industries, INC. | Fort Worth | TX | — | ◇ UNVERIFIED |
| EAEnterprise Air, LLC | Lindon | UT | — | ◇ UNVERIFIED |
| EFEnterprise Fabricators CO INC | Milwaukie | OR | — | ◇ UNVERIFIED |
| EIEnvirex, INC | Madison | IN | — | ◇ UNVERIFIED |
| EHE.p Homiek Sheet Metal | Union | NJ | — | ◇ UNVERIFIED |
| EMEQ Metal Arts, Inc. | Quebradillas | PR | — | ◇ UNVERIFIED |
 Equipment Fabricators INC | Pell City | AL | — | ◇ UNVERIFIED |
| ESEsmark Steel | Vanport | PA | — | ◇ UNVERIFIED |
| EFEta Fabrication, INC. | Avilla | IN | — | ◇ UNVERIFIED |
| ECEvco Corporation | Tarentum | PA | — | ◇ UNVERIFIED |
| ESExcel Sheet Metal INC | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| EIExcelsior, INC. | Clovis | CA | — | ◇ UNVERIFIED |
| EEExeter Engineering | Exeter | CA | — | ◇ UNVERIFIED |
| EIExor Ironworks, Inc. | Des Moines | WA | — | ◇ UNVERIFIED |
| EPExoTech Properties LLC | Kurten | TX | — | ◇ UNVERIFIED |
| EMExpress Metal Fabricators, LLC | Locust Grove | OK | — | ◇ UNVERIFIED |
| ESExtreme Stainless LLC | Cassville | MO | — | ◇ UNVERIFIED |
 Extreme Steel, INC. | Manassas | VA | — | ◇ UNVERIFIED |
| ECEz Carrier, LLC | Mounds | OK | — | ◇ UNVERIFIED |
| EMEz Manufacturing Company, LLC | Clayton | DE | — | ◇ UNVERIFIED |
| FIFabco INC | Altoona | PA | — | ◇ UNVERIFIED |
| FIFabco Industries, INC. | Bastrop | LA | — | ◇ UNVERIFIED |
| FIFABCO/L.C., Inc. | La Porte | IN | — | ◇ UNVERIFIED |
| FLFabco, LLC | Houston | TX | — | ◇ UNVERIFIED |
| FLFabco, LLC | San Antonio | TX | — | ◇ UNVERIFIED |
| FMFab Masters, INC. | Russellville | AL | — | ◇ UNVERIFIED |
 Fabricated Components, INC | Stroudsburg | PA | — | ◇ UNVERIFIED |
| FMFabricated Metals Corp. | Chesterton | IN | — | ◇ UNVERIFIED |
| FMFabricated Metals LLC | Chesterton | IN | — | ◇ UNVERIFIED |
| FMFabricated Metal Solutions Inc | Medfield | MA | — | ◇ UNVERIFIED |
| FPFabricated Products of Tampa, INC. | Tampa | FL | — | ◇ UNVERIFIED |
| FSFabrication Shop | Topeka | KS | — | ◇ UNVERIFIED |
| FIFabrico INC. | Tulsa | OK | — | ◇ UNVERIFIED |
| FIFabricraft INC | Bristol | TN | — | ◇ UNVERIFIED |
| FCFabristeel Corporation | Greensboro | NC | — | ◇ UNVERIFIED |
| FIFab-rite, INC. | La Vista | NE | — | ◇ UNVERIFIED |
| FTFab Tech Manufacturing INC | Redmond | OR | — | ◇ UNVERIFIED |
| FTFab Tech Manufacturing INC | Prineville | OR | — | ◇ UNVERIFIED |
| FMFabtek Manufacturing, INC. | Tulsa | OK | — | ◇ UNVERIFIED |
| FMFabwest Manufacturing | Temecula | CA | — | ◇ UNVERIFIED |
| FFFab-worx Fabricators, LLC | Port Allen | LA | — | ◇ UNVERIFIED |
| FCFactory Company International INC the | Spokane | WA | — | ◇ UNVERIFIED |
| FSFairfield Steel Works LLC | Shelton | CT | — | ◇ UNVERIFIED |
| FIFairlead Integrated | Portsmouth | VA | — | ◇ UNVERIFIED |
| FPFairlead Precision Manufacturing & Integration | Portsmouth | VA | — | ◇ UNVERIFIED |
| FSFalcon Steel Company | Fort Worth | TX | — | ◇ UNVERIFIED |
| FMFannco Metal Buildings & Components | Clovis | CA | — | ◇ UNVERIFIED |
| FAFarr Apc | Jonesboro | AR | — | ◇ UNVERIFIED |
| FSFarwest Steel Post Tensioning Company | Portland | OR | — | ◇ UNVERIFIED |
| FLFast Lane Processing & Fabrication LLC | Milliken | CO | — | ◇ UNVERIFIED |
| FTFast Truss Connection | Miami | FL | — | ◇ UNVERIFIED |
| FAFathom and Form, LLC | Los Angeles | CA | — | ◇ UNVERIFIED |
| FIFcf INC | Shreveport | LA | — | ◇ UNVERIFIED |
| FLFe26 LLC | Gastonia | NC | — | ◇ UNVERIFIED |
| FMFederal Metals, INC | Tulsa | OK | — | ◇ UNVERIFIED |
| FSFederal Steel & Erection CO | East Alton | IL | — | ◇ UNVERIFIED |
| FWFeese Welding & Iron | Liberal | KS | — | ◇ UNVERIFIED |
| FSFenix Storefront & Signs LLC | Corona | NY | — | ◇ UNVERIFIED |
| FIFerrofab INC. | Hamlet | NC | — | ◇ UNVERIFIED |
| FLFibracan, LLC | Tucson | AZ | — | ◇ UNVERIFIED |
| FMFife Metal Fabricating INC | Redding | CA | — | ◇ UNVERIFIED |
| FFFine-Line Fabrications, LLC | Oostburg | WI | — | ◇ UNVERIFIED |
| FFFine-Line Fabrications, LLC | Oostburg | WI | — | ◇ UNVERIFIED |
| FFFine-Line Fabrications, LLC | Oostburg | WI | — | ◇ UNVERIFIED |
| FLFinish Line Powder Coating | Yakima | WA | — | ◇ UNVERIFIED |
| FSFinkles Studio | Rockport | TX | — | ◇ UNVERIFIED |
| FSFino's Screen & Aluminum Company | Port Saint Lucie | FL | — | ◇ UNVERIFIED |
 Fireblast Global INC Dba Fireblast 451 INC | Murrieta | CA | — | ◇ UNVERIFIED |
| FFFireside Fabrication LLC | Thomson | GA | — | ◇ UNVERIFIED |
| FRFirst Rate Industries, LTD | Saint Marys | OH | — | ◇ UNVERIFIED |
| FSFirst Source Fabricating, Inc. | Cincinnati | OH | — | ◇ UNVERIFIED |
| FSFischer Steel CORP | Memphis | TN | — | ◇ UNVERIFIED |
| FLFisher & Ludlow Inc/saegertown | Saegertown | PA | — | ◇ UNVERIFIED |
| FMFisher Metal Products INC | Visalia | CA | — | ◇ UNVERIFIED |
| FMFixture Manufacturing Corp-winner Road | Kansas City | MO | — | ◇ UNVERIFIED |
| FFF-k Fab Group, LLC | Belle Chasse | LA | — | ◇ UNVERIFIED |
| FBFlashing By Design, Inc | North Branch | MN | — | ◇ UNVERIFIED |
| FLFlexible Lifeline Systems, INC. | Chopin | LA | — | ◇ UNVERIFIED |
| FLF L Heughes & CO INC | Rochester | NY | — | ◇ UNVERIFIED |
| FMFlorida Metal Craft, INC. | Winter Garden | FL | — | ◇ UNVERIFIED |
| FMFlorida Metal Products | Jacksonville | FL | — | ◇ UNVERIFIED |
| FSFlotation Systems, INC. | Cullman | AL | — | ◇ UNVERIFIED |
| FLFmc2 LLC | Howell Township | NJ | — | ◇ UNVERIFIED |
| FMF & M Steel Fabricators INC | Vallejo | CA | — | ◇ UNVERIFIED |
| FSFmt Shipyard & Repair LLC - Universal Services & Associates | Belle Chasse | LA | — | ◇ UNVERIFIED |
| FFord-gelatt | Baton Rouge | LA | — | ◇ UNVERIFIED |
| FMFormer Mrp LLC ( Bldg-2 ( Njdep Isra Case# 20160039)) | South Plainfield | NJ | — | ◇ UNVERIFIED |
| FSFortitude Specialty Manufacturing, LLC | Houston | TX | — | ◇ UNVERIFIED |
| FPFort Peck Tech at Ans Industries | Poplar | MT | — | ◇ UNVERIFIED |
| FEForum Energy Technologies | Midland | TX | — | ◇ UNVERIFIED |
| FEForum Energy Technologies | Guthrie | OK | — | ◇ UNVERIFIED |
| FEForum Energy Technologies | Robstown | TX | — | ◇ UNVERIFIED |
| FAFought and Company, INC. | Salt Lake City | UT | — | ◇ UNVERIFIED |
| FSFour Star Erectors, INC | San Francisco | CA | — | ◇ UNVERIFIED |
| FSFour Star Erectors, INC. | Livermore | CA | — | ◇ UNVERIFIED |
| FSFour Star, INC. | Baton Rouge | LA | — | ◇ UNVERIFIED |
| FBFran Bearing CO | Mayfield | KY | — | ◇ UNVERIFIED |
| FFFrancom Fabrication, LLC | Blanding | UT | — | ◇ UNVERIFIED |
| FCFrank's Custom Stainless | Pittsburgh | PA | — | ◇ UNVERIFIED |
