| AWArmstrong World Industries INC - Millwood Facility | Millwood | 20–99 | ● ACTIVE |
 Greer Industries, INC. | Riverton | — | ● ACTIVE |
| OBOmnis Building Technologies, LLC | Morgantown | — | ● ACTIVE |
 X-mat Ccc LLC | Bluefield | — | ● ACTIVE |
 W.a. Wilson & Sons, INC. | Wheeling | — | ◐ LIKELY ACTIVE |
| AUArgos USA - Martinsburg | Martinsburg | — | ◐ LIKELY ACTIVE |
| CBContinental Brick - Martinsburg Facility | Martinsburg | — | ◐ LIKELY ACTIVE |
| EUEuroptec Usa, INC. | Clarksburg | — | ◐ LIKELY ACTIVE |
| FTFiesta Tableware Company | Newell | 100–499 | ◐ LIKELY ACTIVE |
| SISaint-gobain/norton Ind. Ceramics CORP. - Corhart Refractories | Buckhannon | — | ◐ LIKELY ACTIVE |
| CSCentral Supply Company of West Virginia | Bridgeport | — | ◇ UNVERIFIED |
| CGCertainteed Gypsum | Proctor | — | ◇ UNVERIFIED |
| PWPaul Wissmach Glass Company INC | Paden City | — | ◇ UNVERIFIED |
| SFSuperior Fibers LLC | Reedsville | — | ◇ UNVERIFIED |
| FAFenton Art Glass | Williamstown | — | ◐ LIKELY ACTIVE |
| BCBoxley Concrete Products of Va INC | Summersville | — | ◐ LIKELY ACTIVE |
| CSCentral Supply Company of West Virginia - Westover Plant | Westover | — | ◐ LIKELY ACTIVE |
| CGCertainTeed Gypsum West Virginia | Proctor | 100–499 | ◐ LIKELY ACTIVE |
| HLHomer Laughlin China | Newell | — | ◐ LIKELY ACTIVE |
| KIKnauf Insulation Plant 12 | Inwood | 100–499 | ◐ LIKELY ACTIVE |
| MRMetsch Refractories | Chester | — | ◐ LIKELY ACTIVE |
| PBPeerless Block & Brick Company | Saint Albans | 20–99 | ◐ LIKELY ACTIVE |
| SPSilicon Processors, Inc., Parkersburg | Parkersburg | — | ◐ LIKELY ACTIVE |
| ECEagle Carbon, INC | Oak Hill | — | ◐ LIKELY ACTIVE |
| GCGrahams Concrete Supply | Culloden | — | ◐ LIKELY ACTIVE |
| Greer Industries, INC. Dba Greer Lime Company | Riverton | — | ◐ LIKELY ACTIVE |
| RURoxul USA Inc., Ran Facility | Ranson | — | ◐ LIKELY ACTIVE |
| SCSmith Concrete Company - Charleston Plant | Charleston | — | ◐ LIKELY ACTIVE |
| VGVariety Glass | Beech Bottom | — | ◐ LIKELY ACTIVE |
| ATAdams Trucking & Supply INC | Barboursville | — | ◇ UNVERIFIED |
| AFAgc Flat Glass North America, Inc., Bridgeport | Rosemont | — | ◇ UNVERIFIED |
| BIBardon, INC. Dba Aggregate Indust.-mar, Maysville | Maysville | — | ◇ UNVERIFIED |
| BGBlenko Glass CO INC | Milton | — | ◇ UNVERIFIED |
| CSCentral Supply Company of Wv - Princeton Plant | Princeton | — | ◇ UNVERIFIED |
| CMClassic Marble CO | Nettie | — | ◇ UNVERIFIED |
| CPConcrete Pipe & Precast Llc-martinsburg Precast Plant | Martinsburg | — | ◇ UNVERIFIED |
| CWCsc Westover Rmc | Morgantown | — | ◇ UNVERIFIED |
| CICyclops Industry INC | South Charleston | — | ◇ UNVERIFIED |
| EAEastern Asphalt Products, LLC | Sprague | — | ◇ UNVERIFIED |
| ETEastern Tank & Utility Services INC | Bluefield | — | ◇ UNVERIFIED |
| EVEastern Vault Company INC | Princeton | — | ◇ UNVERIFIED |
| EGEast Gulf Preparation Plant | Rhodell | — | ◇ UNVERIFIED |
| ESE & S Ready Mix | Shinnston | — | ◇ UNVERIFIED |
| FMFairfax Materials, Inc., Ours Quarry | Arthur | — | ◇ UNVERIFIED |
| FMFairfax Materials, Inc., Scherr Plant | New Creek | — | ◇ UNVERIFIED |
| FMFarifax Materials, Inc., Cabins/bean's Quarry | Cabins | — | ◇ UNVERIFIED |
| FSFoster Supply INC | Charleston | — | ◇ UNVERIFIED |
| GTGolden Triangle Construction Co., Inc., Mt. Storm | Mount Storm | — | ◇ UNVERIFIED |
| GGGreen Global | New Haven | — | ◇ UNVERIFIED |
| HMHeidelberg Materials Northeast Llc- Wheeling Plant Hau | Mcmechen | — | ◇ UNVERIFIED |
