| FSFiltration Systems Products | Fredericktown | MO | — | ◇ UNVERIFIED |
| FMFine Metal Roof Tech LLC | Murray | UT | — | ◇ UNVERIFIED |
| FHFirst Heating & Cooling LLC | New Canaan | CT | — | ◇ UNVERIFIED |
| FHFirst Heating & Cooling LLC | Bridgeport | CT | — | ◇ UNVERIFIED |
| FPFirst Process Steel, INC. | Tulsa | OK | — | ◇ UNVERIFIED |
| FIFischer Industries, INC. | Mequon | WI | — | ◇ UNVERIFIED |
| FIFlashco INC | Santa Rosa | CA | — | ◇ UNVERIFIED |
| FBFlashing By Design INC | Wyoming | MN | — | ◇ UNVERIFIED |
 Fleming Industries | Chicopee | MA | — | ◇ UNVERIFIED |
| FSFlexible Staffing of Georgia, INC. | Suwanee | GA | — | ◇ UNVERIFIED |
| FCFlextronics Campus Addition Blk a Lot 2 | Plano | TX | — | ◇ UNVERIFIED |
| FSFlorida Storm Panel Supply LLC | Opa Locka | FL | — | ◇ UNVERIFIED |
| FSFlutes Sheet Metal, INC. | Ridgeway | VA | — | ◇ UNVERIFIED |
| F5Fm 539 Plant | La Vernia | TX | — | ◇ UNVERIFIED |
| FFFmc Foodtech | Lakeland | FL | — | ◇ UNVERIFIED |
| FNFmc - Norco Properties | Middleport | NY | — | ◇ UNVERIFIED |
| FDFNA Distribution LLC | Burleson | TX | — | ◇ UNVERIFIED |
| FMFocus Manufacturing Services | Ogden | UT | — | ◇ UNVERIFIED |
| FPFoothills Powder Coating | Golden | CO | — | ◇ UNVERIFIED |
| FSForbes Steel, INC | Phelan | CA | — | ◇ UNVERIFIED |
| FPForest Park Sheet Metal Works, INC. | Atlanta | GA | — | ◇ UNVERIFIED |
| FIFormet, INC. | Laredo | TX | — | ◇ UNVERIFIED |
| FSFortitude Specialty Metal | Houston | TX | — | ◇ UNVERIFIED |
| FMFoust Metal Works, INC. | Morristown | TN | — | ◇ UNVERIFIED |
| FFFratelli Fabrication LLC | Schenectady | NY | — | ◇ UNVERIFIED |
| FNFred Nelson Fabrication | Azusa | CA | — | ◇ UNVERIFIED |
| FGFreedom Gutters LLC | Castle Rock | CO | — | ◇ UNVERIFIED |
| FCFrench Creek Sales LLC | Guys Mills | PA | — | ◇ UNVERIFIED |
| FAFresh Air Manufacturing | Meridian | ID | — | ◇ UNVERIFIED |
| FHFriedl Holdings LLC | Greeley | CO | — | ◇ UNVERIFIED |
| FBFriedman Bag CO INC Polyethyl | Los Angeles | CA | — | ◇ UNVERIFIED |
| FSFtb & Son INC | Garden Grove | CA | — | ◇ UNVERIFIED |
| FDFull-fledged Distribution INC | Waite Park | MN | — | ◇ UNVERIFIED |
| FHFulton Haley Metal Products, INC. | Bay Minette | AL | — | ◇ UNVERIFIED |
| FMFundamental Motorsports | Long Beach | CA | — | ◇ UNVERIFIED |
| FGFuture Group USA LLC | Somerset | NJ | — | ◇ UNVERIFIED |
| FBFutureguard Building Products, INC. | Auburn | ME | — | ◇ UNVERIFIED |
| GIGadutex, INC. | Houston | TX | — | ◇ UNVERIFIED |
| GKGallagher Kaiser | Roanoke | IN | — | ◇ UNVERIFIED |
| GAGamma Aerospace | Mansfield | TX | — | ◇ UNVERIFIED |
| GMGammons Metal and Manufacturing Company, INC. | Indianapolis | IN | — | ◇ UNVERIFIED |
| GMGardner Mfg CO | Horicon | WI | — | ◇ UNVERIFIED |
| GIGarfam Industries, INC. | Houston | TX | — | ◇ UNVERIFIED |
| GUGarmat USA INC | Englewood | CO | — | ◇ UNVERIFIED |
| GCGarner-smith Company* | Memphis | TN | — | ◇ UNVERIFIED |
| GSGates & Sons (was Karl W Schmidt Assoc I | Denver | CO | — | ◇ UNVERIFIED |
| GPGateway Precision Technologies LLC | Covington | KY | — | ◇ UNVERIFIED |
| GBG B Enterprises Arlington | Arlington | WA | — | ◇ UNVERIFIED |
| GIGch International | Louisville | KY | — | ◇ UNVERIFIED |
| GDG D Roberts | Columbus | WI | — | ◇ UNVERIFIED |
| GAGeneral Awning CO. | Brooklyn Heights | OH | — | ◇ UNVERIFIED |
| GSGeneral Sheet Metal of Thomasville, INC. | Thomasville | AL | — | ◇ UNVERIFIED |
| GGGeorgia Gutters, INC. | East Point | GA | — | ◇ UNVERIFIED |
| GRGerard Roofing Technologies | Brea | CA | — | ◇ UNVERIFIED |
| GIGERK Investments LLC | Phoenix | AZ | — | ◇ UNVERIFIED |
| GMGerome Manufacturing CO INC | Uniontown | PA | — | ◇ UNVERIFIED |
| GWGestamp Wind Towers Us, INC. | Amarillo | TX | — | ◇ UNVERIFIED |
| GMGh Metal Solutions, INC. | Fort Payne | AL | — | ◇ UNVERIFIED |
| GMGibson Mechanical INC. | Whitestone | NY | — | ◇ UNVERIFIED |
| GMGibson Mech. INC. | Whitestone | NY | — | ◇ UNVERIFIED |
| GWGibson Welding Sheetmetal & Vent, INC. | Destin | FL | — | ◇ UNVERIFIED |
| GCGieske Custom Metal Fabricators | Kansas City | MO | — | ◇ UNVERIFIED |
| GBGilliland Brothers Sheet Metal | Phenix City | AL | — | ◇ UNVERIFIED |
| GGivenchy | Beverly Hills | CA | — | ◇ UNVERIFIED |
| GSGj&j Sheet Metal Fabrication | Menifee | CA | — | ◇ UNVERIFIED |
| GJG & J Solutions, INC. | Woodbine | NJ | — | ◇ UNVERIFIED |
| GHGlasco Heating & Air Conditioning, INC. | South Windsor | CT | — | ◇ UNVERIFIED |
| GSGlobal Staffing Solutions, LLC | East Longmeadow | MA | — | ◇ UNVERIFIED |
| GNGlobe Newspaper CO | Boston | MA | — | ◇ UNVERIFIED |
| GNGm Nameplate INC Auburn | Auburn | WA | — | ◇ UNVERIFIED |
 Goergen-Mackwirth Co., Inc. | Buffalo | NY | — | ◇ UNVERIFIED |
| GSGolden Steel, INC. | New York | NY | — | ◇ UNVERIFIED |
| GUGomax USA L.l.c. | Middletown | DE | — | ◇ UNVERIFIED |
| GVGood View Metals | Apollo | PA | — | ◇ UNVERIFIED |
| GSGordon Sheet Metal INC | Kailua Kona | HI | — | ◇ UNVERIFIED |
| GPGp Precision, INC. | Hackettstown | NJ | — | ◇ UNVERIFIED |
| GIGrabek Iron Works, Inc. | Crown Point | IN | — | ◇ UNVERIFIED |
| GSGranite State Cover & Canvas, Inc. | Plaistow | NH | — | ◇ UNVERIFIED |
| GCGray Canvasworks LLC | Rockport | ME | — | ◇ UNVERIFIED |
| GPGrayd 'a' Precision Metal Fabrications | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| GWGreater Wisconsin Sheet Metal, INC | Plymouth | WI | — | ◇ UNVERIFIED |
| GLGreat Lakes Manufacturing | Corry | PA | — | ◇ UNVERIFIED |
 Greenheck Fan CORP | Schofield | WI | — | ◇ UNVERIFIED |
| GMGreenwood Manufacturing INC. | Houston | TX | — | ◇ UNVERIFIED |
| GMGregory Metal Fabrication | Crandall | GA | — | ◇ UNVERIFIED |
| GZGreg Zimont | Panama City Beach | FL | — | ◇ UNVERIFIED |
| GVGSA Ventures LLC | Foley | AL | — | ◇ UNVERIFIED |
| GSGuch Sheet Metal and Ac INC | Stuart | FL | — | ◇ UNVERIFIED |
| GAGuernsey Architectural Solutions, INC. | Boca Raton | FL | — | ◇ UNVERIFIED |
| GCGulf Coast Sailing, INC. | Saint Petersburg | FL | — | ◇ UNVERIFIED |
| GCGulf Coast Signs of Sarasota | Sarasota | FL | — | ◇ UNVERIFIED |
| GCGulf Coast Supply & Manufacturing LLC | Sebring | FL | — | ◇ UNVERIFIED |
| GCGulf Coast Supply & Manufacturing, LLC | Montgomery | AL | — | ◇ UNVERIFIED |
| GMGutierrez Manufacturing INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| GSGuttermans Supply Corporation of America | Portland | OR | — | ◇ UNVERIFIED |
| HSHaida Sheet Metal LLC | Battle Ground | WA | — | ◇ UNVERIFIED |
| HIHaimetal INC | Sun Valley | CA | — | ◇ UNVERIFIED |
| HMHall's Mechanical Services LLC | Fieldale | VA | — | ◇ UNVERIFIED |
| HSHalls Sheet Metal Fabrication Inc | Galena | OH | — | ◇ UNVERIFIED |
| HWHamlin Welding and Fabricating LLC | Melbourne | FL | — | ◇ UNVERIFIED |
