| FMFabco Mfg., Inc. | Hudson | MA | — | ◇ UNVERIFIED |
| FIFabcon INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| FIFabex, INC. | Zachary | LA | — | ◇ UNVERIFIED |
| FMFab Masters, INC. | Russellville | AL | — | ◇ UNVERIFIED |
| FIFab-masters, INC. | Janesville | WI | — | ◇ UNVERIFIED |
| FIFabmax INC | Wood Dale | IL | — | ◇ UNVERIFIED |
 Fabricated Components, INC | Stroudsburg | PA | — | ◇ UNVERIFIED |
| FMFabricated Metals CO. | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| FMFabricated Metals Corp. | Chesterton | IN | — | ◇ UNVERIFIED |
| FMFabricated Metals INC | San Leandro | CA | — | ◇ UNVERIFIED |
| FMFabricated Metals LLC | Chesterton | IN | — | ◇ UNVERIFIED |
| FMFabricated Metal Solutions Inc | Medfield | MA | — | ◇ UNVERIFIED |
| FTFabricated Tube Products | Carrollton | TX | — | ◇ UNVERIFIED |
| FMFabricating Machinery & Equipment INC. | Wood Dale | IL | — | ◇ UNVERIFIED |
| FAFabrication Associates, Inc. | Charlotte | NC | — | ◇ UNVERIFIED |
| FSFabrication Shop | Topeka | KS | — | ◇ UNVERIFIED |
| FIFabrico INC. | Tulsa | OK | — | ◇ UNVERIFIED |
| FIFabrico Incorporated | Champlin | MN | — | ◇ UNVERIFIED |
| FIFabricraft INC | Bristol | TN | — | ◇ UNVERIFIED |
| FCFabristeel Corporation | Greensboro | NC | — | ◇ UNVERIFIED |
| FMFabritech Manufacturing LLC | Morristown | TN | — | ◇ UNVERIFIED |
| FIFab-rite, INC. | La Vista | NE | — | ◇ UNVERIFIED |
| FIFabsouth, INC. | Troy | TN | — | ◇ UNVERIFIED |
| FCFab-tec Corporation, INC. | Lyburn | WV | — | ◇ UNVERIFIED |
| FMFab-tech Machining, LLC | Millville | UT | — | ◇ UNVERIFIED |
| FTFab Tech Manufacturing INC | Prineville | OR | — | ◇ UNVERIFIED |
| FTFab Tech Manufacturing INC | Redmond | OR | — | ◇ UNVERIFIED |
| FMFabtec Manufacturing, INC. | Franklin Park | IL | — | ◇ UNVERIFIED |
| FMFabtek Manufacturing, INC. | Tulsa | OK | — | ◇ UNVERIFIED |
| FTFab Tek Metal Processing INC | Eugene | OR | — | ◇ UNVERIFIED |
| FTFab Tool Works LLC | Humboldt | TN | — | ◇ UNVERIFIED |
| FCFabtron Corporation | Auburn | IN | — | ◇ UNVERIFIED |
| FMFabwest Manufacturing | Temecula | CA | — | ◇ UNVERIFIED |
| FFFab-worx Fabricators, LLC | Port Allen | LA | — | ◇ UNVERIFIED |
| FSFactory Sales & Engineering INC | Vacherie | LA | — | ◇ UNVERIFIED |
| FAF & a Fabricating, INC | Battle Creek | MI | — | ◇ UNVERIFIED |
| FSFahrenheit Services Air Conditioning & Refrigeration inc | Miami | FL | — | ◇ UNVERIFIED |
| FIFairchild Industires Inc. | Winchester | CT | — | ◇ UNVERIFIED |
| FMFairchild Machine Shop, INC. | Ashland | KY | — | ◇ UNVERIFIED |
| FSFairfield Steel Works LLC | Shelton | CT | — | ◇ UNVERIFIED |
| FFFalcon Fabrication, INC. | Laceys Spring | AL | — | ◇ UNVERIFIED |
| FMFalcon Machine INC | Ramsey | MN | — | ◇ UNVERIFIED |
| FSFalcon Steel Company | Fort Worth | TX | — | ◇ UNVERIFIED |
| FTFalcon Tool & Design | Yorktown | VA | — | ◇ UNVERIFIED |
 Falk Precision INC. | East Syracuse | NY | — | ◇ UNVERIFIED |
| FRFalk Renew Prager | Saint Rose | LA | — | ◇ UNVERIFIED |
| FSFamco Svc & Mach | Punxsutawney | PA | — | ◇ UNVERIFIED |
| FEFamous Enterprises, INC. | Mount Vernon | OH | — | ◇ UNVERIFIED |
| FIFanmar INC. | Bedford Park | IL | — | ◇ UNVERIFIED |
| FMFannco Metal Buildings & Components | Clovis | CA | — | ◇ UNVERIFIED |
| FMFarmer Mold and Machine Works, INC | Saint Petersburg | FL | — | ◇ UNVERIFIED |
| FSFarwest Steel Post Tensioning Company | Portland | OR | — | ◇ UNVERIFIED |
| FMFasco Machine Works | Joplin | MO | — | ◇ UNVERIFIED |
| FIFashion, INC. | Ottawa | KS | — | ◇ UNVERIFIED |
| FMFasken Machining & Welding | Carthage | MO | — | ◇ UNVERIFIED |
| FMFassett Manufacturing CO. | Wendel | PA | — | ◇ UNVERIFIED |
| FEFastener Express | Santa Ana | CA | — | ◇ UNVERIFIED |
| FIFastest INC | Saint Paul | MN | — | ◇ UNVERIFIED |
| FIFastest INC | Roseville | MN | — | ◇ UNVERIFIED |
| FLFast Lane Processing & Fabrication LLC | Milliken | CO | — | ◇ UNVERIFIED |
| FTFast Truss Connection | Miami | FL | — | ◇ UNVERIFIED |
| FAFathom and Form, LLC | Los Angeles | CA | — | ◇ UNVERIFIED |
| FMFaulkner Machine CO INC | Zimmerman | MN | — | ◇ UNVERIFIED |
| FSFaust Sheet Metal Works, INC. | Lewes | DE | — | ◇ 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 |
| FIFehrs Industrial Manufacturing INC. | Seminole | TX | — | ◇ UNVERIFIED |
| FBFelker Brothers CORP | Plover | WI | — | ◇ UNVERIFIED |
| FMFelton Machine Co, INC. | Niagara Falls | NY | — | ◇ UNVERIFIED |
| FHFemco Holdings, LLC | Gladewater | TX | — | ◇ UNVERIFIED |
| FHFemco Holdings, LLC | Punxsutawney | PA | — | ◇ UNVERIFIED |
| FSFenix Storefront & Signs LLC | Corona | NY | — | ◇ UNVERIFIED |
| FMFerbrous Manufacturing INC | Buffalo | NY | — | ◇ UNVERIFIED |
| FFFergerson Fire and Fabrication 1767 | Pflugerville | TX | — | ◇ UNVERIFIED |
| FEFerguson Enterprises LLC #2778 | South Holland | IL | — | ◇ UNVERIFIED |
| FFFerguson Fire and Fabrication 1760 | Chicopee | MA | — | ◇ UNVERIFIED |
| FFFerguson Fire & Fabrication Facility 0728 | Houston | TX | — | ◇ UNVERIFIED |
| FFFerguson Fire & Fabrication (facility 2567) | Guntersville | AL | — | ◇ UNVERIFIED |
| FFFerguson Fire & Fabrication INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| FFFerguson Fire - Fabrication INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| FBFerraro Bros INC | Maspeth | NY | — | ◇ UNVERIFIED |
| FIFerrofab INC. | Hamlet | NC | — | ◇ UNVERIFIED |
| FIFerro INC | West Valley | UT | — | ◇ UNVERIFIED |
| FOFerus Outdoors LLC | Huntersville | NC | — | ◇ UNVERIFIED |
| FLFf5x LLC | Morgantown | WV | — | ◇ UNVERIFIED |
| FFF. F. Screw Products INC | Southington | CT | — | ◇ UNVERIFIED |
| FFF & F Sheet Metal and Fabrication, L.L.C. | Tiffin | OH | — | ◇ UNVERIFIED |
| FLFibracan, LLC | Tucson | AZ | — | ◇ UNVERIFIED |
| FFFick Foundry Company | Tacoma | WA | — | ◇ UNVERIFIED |
| FMField Maintenance Shop #2 (fms #2) | Albany | WY | — | ◇ 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 |
| FMFine Metal Roof Tech LLC | Murray | UT | — | ◇ UNVERIFIED |
| FAFinishline Auto Repair Inc | Aurora | CO | — | ◇ UNVERIFIED |
| FLFinish Line Powder Coating | Yakima | WA | — | ◇ UNVERIFIED |
