 Cfoam LLC | Triadelphia, WV | Electrical Equipment, Appliance & Component Manufacturing335991 | 20–99 | ● ACTIVE |
| OCOhio Coatings CO. | Yorkville, OH | Primary Metal Manufacturing331111 | 20–99 | ● ACTIVE |
 10-42 Tactical LLC | Wheeling, WV | Leather and Allied Product Manufacturing316210 | — | ● ACTIVE |
 Hanger Prosthetics & Orthotics, INC. | Wheeling, WV | Miscellaneous Manufacturing339113 | — | ● ACTIVE |
 W.a. Wilson & Sons, INC. | Wheeling, WV | Nonmetallic Mineral Product Manufacturing327211 | — | ◐ LIKELY ACTIVE |
| HWHighline Warren Northeast | Glen Dale, WV | Petroleum and Coal Products Manufacturing324191 | — | ◐ LIKELY ACTIVE |
| LPLeveltek Processing INC | Benwood, WV | Primary Metal Manufacturing331221 | 20–99 | ◐ LIKELY ACTIVE |
| SPSilgan Plastics | Triadelphia, WV | Plastics and Rubber Products Manufacturing326160 | 100–499 | ◐ LIKELY ACTIVE |
| WNWestlake Natrium Llc, Westlake Natrium | Proctor, WV | Chemical Manufacturing325110 | — | ◐ LIKELY ACTIVE |
| SISwisher Intl INC | Wheeling, WV | Beverage and Tobacco Product Manufacturing312230 | — | ◐ LIKELY ACTIVE |
| ANAllied Nutrients | Martins Ferry, OH | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| CGCertainteed Gypsum | Proctor, WV | Nonmetallic Mineral Product Manufacturing327420 | — | ◇ UNVERIFIED |
| NCNail City Bronze INC | Wheeling, WV | Primary Metal Manufacturing331523 | — | ◇ UNVERIFIED |
| TKT K Innovation, INC. | Wheeling, WV | Fabricated Metal Product Manufacturing332510 | — | ◐ LIKELY ACTIVE |
| CGCertainTeed Gypsum West Virginia | Proctor, WV | Nonmetallic Mineral Product Manufacturing327420 | 100–499 | ◐ LIKELY ACTIVE |
| CLCovestro LLC | Proctor, WV | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| TPTekni Plex | Triadelphia, WV | Paper Manufacturing322225 | — | ◐ LIKELY ACTIVE |
| TMTri-state Machine | Wheeling, WV | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| TMTri-state Machine INC | Wheeling, WV | Fabricated Metal Product Manufacturing332312 | 20–99 | ◐ LIKELY ACTIVE |
| WBWilson Blacktop Corporation | Martins Ferry, OH | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| CFCentre Foundry & Machine CO. Wheeling | Wheeling, WV | Primary Metal Manufacturing331410 | — | ◐ LIKELY ACTIVE |
| ESElementis Specialties - New Martinsville Plant | Proctor, WV | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| LPLash Paving, INC. | Martins Ferry, OH | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| RCRain Cii Carbon LLC | Moundsville, WV | Petroleum and Coal Products Manufacturing324199 | — | ◐ LIKELY ACTIVE |
| AIAes Industries INC | Wheeling, WV | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| BHBellaire Harbor Service LLC | Bellaire, OH | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| BGBethlehem Gear & Machine CO | Wheeling, WV | Machinery Manufacturing333612 | — | ◇ UNVERIFIED |
| CICamforge, INC. | Cameron, WV | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
| CMCapitol Manufacturing Lansing Facility | Lansing, OH | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| CKCarl Kelly Paving, Mcmechen | Mcmechen, WV | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CCColumbian Chemcials Company | Proctor, WV | Chemical Manufacturing325182 | — | ◇ UNVERIFIED |
| CCColumbian Chemicals Company | Proctor, WV | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| CIConsol Innovations LLC | Triadelphia, WV | Petroleum and Coal Products Manufacturing324199 | — | ◇ UNVERIFIED |
| CSCrummitt & Son Vault CORP. | Martins Ferry, OH | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| CMCustom Marble CORP | Wheeling, WV | Plastics and Rubber Products Manufacturing326191 | — | ◇ UNVERIFIED |
| DIDte Indy Coke LLC | Moundsville, WV | Petroleum and Coal Products Manufacturing324199 | — | ◇ UNVERIFIED |
| FWFeralloy Wheeling | Wheeling, WV | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| GLGrove Lawn & Marine | Triadelphia, WV | Machinery Manufacturing333112 | — | ◇ UNVERIFIED |
| HMHeidelberg Materials Northeast Llc- Wheeling Plant Hau | Mcmechen, WV | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| HNHoneywell National Priority List Cleanup | Moundsville, WV | Chemical Manufacturing325181 | — | ◇ UNVERIFIED |
| IBIron Bay Model CO | Wheeling, WV | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| KPKelly Paving, Inc., Benwood Plant | Mcmechen, WV | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| KBKlug Bros INC | Moundsville, WV | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| LALiquid Asset Disposal INC | Wheeling, WV | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| MSMountain Supply and Service Wheeling | Wheeling, WV | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| MMMull Machine CO | Wheeling, WV | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| NINiebergall Ice Company | Wheeling, WV | Beverage and Tobacco Product Manufacturing312113 | — | ◇ UNVERIFIED |
| NANls Asphalt, INC. (genset) | Martins Ferry, OH | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| OCOlin Chemicals | Moundsville, WV | Chemical Manufacturing325181 | — | ◇ UNVERIFIED |
| OCOlin CORP - Moundsville Plant | Moundsville, WV | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
