| PBPeerless Block & Brick Company | Saint Albans | WV | Nonmetallic Mineral Product Manufacturing327000 | 20-99 | ● ACTIVE |
| RBRhodes Brick & Block Inc | Saint Albans | WV | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ● ACTIVE |
| AWArmstrong World Industries INC - Millwood Facility | Millwood | WV | Nonmetallic Mineral Product Manufacturing327993 | 20-99 | ◐ LIKELY ACTIVE |
| BGBlenko Glass CO INC | Milton | WV | Nonmetallic Mineral Product Manufacturing327212 | 20-99 | ◐ LIKELY ACTIVE |
| PWPaul Wissmach Glass Company INC | Paden City | WV | Nonmetallic Mineral Product Manufacturing327211 | 20-99 | ◐ LIKELY ACTIVE |
| CSClaxton Smith & Sons Concrete Company | Poca | WV | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| CFConcrete Fabricators, INC. | Wheeling | WV | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| SPSilicon Processors, Inc., Parkersburg | Parkersburg | WV | Nonmetallic Mineral Product Manufacturing327992 | 20-99 | ◐ LIKELY ACTIVE |
| CCCarr Concrete | Williamstown | WV | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| CSCentral Supply - Barboursville Location | Barboursville | WV | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| CSCentral Supply - Saltwell Location | Bridgeport | WV | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| CMCP&P Martinsburg | Martinsburg | WV | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| RBRhodes Brick & Block Inc | St Albans | WV | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| CSCountertop Solutions LLC | Martinsburg | WV | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◇ UNVERIFIED |