| FQFormer Quaker State Corporation, Congo Refinery | Newell | WV | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| FSFoster Supply INC | Charleston | WV | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| FMFreedom Motorsports | Princeton | WV | Machinery Manufacturing333996 | — | ◇ UNVERIFIED |
| GDGauley Development Corporation, Mt. Nebo | Mount Nebo | WV | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| GEGeneral Engineering CO | Fairmont | WV | Machinery Manufacturing333131 | — | ◇ UNVERIFIED |
| GPGeorgia Pacific CORP Hdwd Saw | Richwood | WV | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| GWGeorgia-pacific Wood Products LLC | Mount Hope | WV | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| GSGe Special Chemicals INC Lab | Morgantown | WV | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| GWGestamp West Virginia, Llc, South Charleston | S. Charleston | WV | Transportation Equipment Manufacturing336370 | — | ◇ UNVERIFIED |
| GRGibbs Rifle CO INC | Martinsburg | WV | Fabricated Metal Product Manufacturing332994 | — | ◇ UNVERIFIED |
| GIGilco International Lumber, LLC | Roderfield | WV | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| GIGilco International Lumber, Llc, Roderfield | Roderfield | WV | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| GCGlobal Const INC | Montgomery | WV | Primary Metal Manufacturing331419 | — | ◇ UNVERIFIED |
| GWGlyeco West Virginia INC - Recovery Solutions & Technologies INC | Nitro | WV | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| GPGodwin Pumps | Charleston | WV | Machinery Manufacturing333996 | — | ◇ UNVERIFIED |
| GTGolden Triangle Construction Co., Inc., Mt. Storm | Mt. Storm | WV | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| GCGoodrich Corporation Spencer Operations | Spencer | WV | Plastics and Rubber Products Manufacturing326299 | — | ◇ UNVERIFIED |
| GCGrant County Mulch, INC. | Bruceton Mills | WV | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| GLGreat Lakes Chemical CORP. | Nitro | WV | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| GVGreenbrier Valley Farm Ctr. INC. | Ronceverte | WV | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| GGGreen Global | New Haven | WV | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
 Greer Industries INC - Clarksburg Asphalt CO | Bridgeport | WV | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| Greer Industries, INC. D.b.a. Buckeye Asphalt Comp | Morgantown | WV | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| GLGrist Lumber CO | Smoot | WV | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| GLGrove Lawn & Marine | Triadelphia | WV | Machinery Manufacturing333112 | — | ◇ UNVERIFIED |
| HRHal-bow Rebuild & Repair Svc | Premier | WV | Machinery Manufacturing333992 | — | ◇ UNVERIFIED |
| HFHarbor Freight Tools USA INC #2919 | Buckhannon | WV | Fabricated Metal Product Manufacturing332216 | — | ◇ UNVERIFIED |
| HFHarbor Freight Tools USA INC #3083 | Summersville | WV | Machinery Manufacturing333514 | — | ◇ UNVERIFIED |
| HIHardrock INC | Shinnston | WV | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| HPHartland Planing Mill CO | Clarksburg | WV | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| HMHartley Manufacturing CO | Ravenswood | WV | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| HMHeidelberg Materials Northeast Llc- Wheeling Plant Hau | Mcmechen | WV | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| HMHino Motors Manufacturing | Williamstown | WV | Transportation Equipment Manufacturing336120 | — | ◇ UNVERIFIED |
| HMHino Motors Manufacturing Usa, INC. | Williamstown | WV | Electrical Equipment, Appliance & Component Manufacturing335931 | — | ◇ UNVERIFIED |
| HWHolistic Wv Farms I, LLC | Beaver | WV | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| HNHoneywell National Priority List Cleanup | Moundsville | WV | Chemical Manufacturing325181 | — | ◇ UNVERIFIED |
| HIHoudaille Ind INC Huntington D I | Huntington | WV | Transportation Equipment Manufacturing336399 | — | ◇ UNVERIFIED |
| HSHughes Supply CO | Pax | WV | Machinery Manufacturing333131 | — | ◇ UNVERIFIED |
| HSHughes Supply Company | Beckley | WV | Machinery Manufacturing333131 | — | ◇ UNVERIFIED |
| HCHydraulic Concepts | Princeton | WV | Machinery Manufacturing333319 | — | ◇ UNVERIFIED |
| HMHypar Machine Company, Richwood | Richwood | WV | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| IEIndustrial Electric CORP | Beckley | WV | Electrical Equipment, Appliance & Component Manufacturing335313 | — | ◇ UNVERIFIED |
| IRIndustrial Resource, INC. | Fairmont | WV | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| IWInstitute Wv Facility | Institute | WV | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| IHInter-state Hardwoods Co., Inc., Bartow | Bartow | WV | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| IBIron Bay Model CO | Wheeling | WV | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| IIIsco Industries LLC | Martinsburg | WV | Plastics and Rubber Products Manufacturing326122 | — | ◇ UNVERIFIED |
| IGItt Goulds Pumps | Huntington | WV | Machinery Manufacturing333914 | — | ◇ UNVERIFIED |
| IFItw Fleetwood-signode | Weirton | WV | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| IHIvs Hydro INC - Waverly Shop | Waverly | WV | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
