| FRFerrell-ross Roll Manufacturing INC. | Hereford | TX | — | ◇ UNVERIFIED |
| FIFerrofab INC. | Hamlet | NC | — | ◇ UNVERIFIED |
| FIFerro INC | West Valley | UT | — | ◇ UNVERIFIED |
| FOFerus Outdoors LLC | Huntersville | NC | — | ◇ UNVERIFIED |
| FFF & F Sheet Metal and Fabrication, L.L.C. | Tiffin | OH | — | ◇ UNVERIFIED |
| FFF & F Sheet Metal and Fabrication, L.L.C. | Tiffin | OH | — | ◇ UNVERIFIED |
| FLFibracan, LLC | Tucson | AZ | — | ◇ UNVERIFIED |
| FCFibrebond Corporation Dba International Supply Company | Edelstein | IL | — | ◇ UNVERIFIED |
| FFFick Foundry Company | Tacoma | WA | — | ◇ UNVERIFIED |
| FMFife Metal Fabricating INC | Redding | CA | — | ◇ UNVERIFIED |
| FDFifty Door Partners, LLC. | New Windsor | NY | — | ◇ UNVERIFIED |
| FAFincher and Sons Pipe and Steel | Caddo | OK | — | ◇ UNVERIFIED |
| FMFindlay Machine and Tool INC | Findlay | OH | — | ◇ 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 |
| FTFinishing Technologies INC. | Tulsa | OK | — | ◇ UNVERIFIED |
| FLFinish Line Powder Coating | Yakima | WA | — | ◇ UNVERIFIED |
| FSFinkles Studio | Rockport | TX | — | ◇ UNVERIFIED |
| FSFino's Screen & Aluminum Company | Port Saint Lucie | FL | — | ◇ UNVERIFIED |
| FFFireball Fab and Metal Sales LLC | Little Canada | MN | — | ◇ UNVERIFIED |
 Fireblast Global INC Dba Fireblast 451 INC | Murrieta | CA | — | ◇ UNVERIFIED |
| FMFirelands Manufacturing, LLC | Plymouth | OH | — | ◇ UNVERIFIED |
| FFFireside Fabrication LLC | Thomson | GA | — | ◇ UNVERIFIED |
| FEFirst Electronics Company | Boston | MA | — | ◇ UNVERIFIED |
| FHFirst Heating & Cooling LLC | Bridgeport | CT | — | ◇ UNVERIFIED |
| FHFirst Heating & Cooling LLC | New Canaan | CT | — | ◇ UNVERIFIED |
| FOFirst Oceanic LLC, a California limited liability company | Oceanside | CA | — | ◇ UNVERIFIED |
| FOFirst Oceanic LLC, a California limited liability company | Oceanside | CA | — | ◇ UNVERIFIED |
| FPFirst Process Steel, INC. | Tulsa | OK | — | ◇ UNVERIFIED |
| FRFirst Rate Industries, LTD | Saint Marys | OH | — | ◇ UNVERIFIED |
| FSFirst Source Fabricating, Inc. | Cincinnati | OH | — | ◇ UNVERIFIED |
| FIFischer Industries, INC. | Mequon | WI | — | ◇ UNVERIFIED |
| FSFischer Steel CORP | Memphis | TN | — | ◇ UNVERIFIED |
| FHFisher Hamilton INC. Columbus Street | Two Rivers | WI | — | ◇ UNVERIFIED |
| FMFisher Metal Fabricating, LLC | Walbridge | OH | — | ◇ UNVERIFIED |
| FMFisher Metal Products INC | Visalia | CA | — | ◇ UNVERIFIED |
| FFFishing for Gold INC Dba Bishops Jewelry Gallery | Fairbanks | AK | — | ◇ UNVERIFIED |
| FFFissori Fabrication LLC | Azle | TX | — | ◇ UNVERIFIED |
| FPFive-M Property LLC | Shelby Township | MI | — | ◇ UNVERIFIED |
| FSFive Star Industries, INC. | Macomb | MI | — | ◇ UNVERIFIED |
| FMFixture Manufacturing Corp-winner Road | Kansas City | MO | — | ◇ UNVERIFIED |
| FFF-k Fab Group, LLC | Belle Chasse | LA | — | ◇ UNVERIFIED |
| FGFlambeaux Gas & Electric Lights, LLC | Westwego | LA | — | ◇ UNVERIFIED |
| FIFlashco INC | Santa Rosa | CA | — | ◇ UNVERIFIED |
| FMFlashco Manufacturing Inc' | Woodland | WA | — | ◇ UNVERIFIED |
| FBFlashing By Design, Inc | North Branch | MN | — | ◇ UNVERIFIED |
| FBFlashing By Design INC | Wyoming | MN | — | ◇ UNVERIFIED |
| FTFlatlands Threading Co. Inc. | Oklahoma City | OK | — | ◇ UNVERIFIED |
