| BLBonasa LLC dba Equipment Depot Ohio, Inc - Vienna | Vienna | WV | Machinery Manufacturing333924 | 1-19 | ◐ LIKELY ACTIVE |
| BDBootleg Distilling | Martinsburg | WV | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| BEBoyers Equipment CO | Fairmont | WV | Machinery Manufacturing333111 | — | ◐ LIKELY ACTIVE |
| BMBruceton Mills | Bruceton Mills | WV | Wood Product Manufacturing321999 | 20-99 | ◐ LIKELY ACTIVE |
| BIBuckley Iron Works, LLC | Point Pleasant | WV | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| BRBulldog Rack Company, Weirton | Weirton | WV | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| BHBunker Hill, WV | Bunker Hill | WV | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| CBCallie Baby Bottle LLC | Bridgeport | WV | Food Manufacturing311999 | — | ◐ LIKELY ACTIVE |
| CMCanopy Marine Access | Wellsburg | WV | Fabricated Metal Product Manufacturing332510 | 20-99 | ◐ LIKELY ACTIVE |
| CSCapstone Spirits, LLC | Berkeley Springs | WV | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
Carbon Activated Corp - West Verginia | Mount Hope | WV | Chemical Manufacturing325998 | 20-99 | ◐ LIKELY ACTIVE |
| CCCarr Concrete | Williamstown | WV | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| CSCEC Steel | Maidsville | WV | Fabricated Metal Product Manufacturing332312 | 1-19 | ◐ LIKELY ACTIVE |
| CMCentral Machine Shop | South Charleston | WV | Fabricated Metal Product Manufacturing332710 | 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 |
| CRChestnut Ridge Winery, LLC | Spencer | WV | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| CAClarksburg Asphalt Company | Bridgeport | WV | Petroleum and Coal Products Manufacturing324121 | 1-19 | ◐ LIKELY ACTIVE |
| CSCMC Steel West Virginia | Martinsburg | WV | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| CSCNC Shop | Huntington | WV | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| CMCoal Miner's Beef Jerky Co, LLC | Princeton | WV | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| CRCold Run Valley Winery LLC | Berkeley Springs | WV | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| CWColumbia West Virginia Corporation | Craigsville | WV | Wood Product Manufacturing321211 | 100-499 | ◐ LIKELY ACTIVE |
| CMCompton Metals INC | Clarksburg | WV | Fabricated Metal Product Manufacturing332322 | — | ◐ LIKELY ACTIVE |
| CRCorhart Refractories | Buckhannon | WV | Nonmetallic Mineral Product Manufacturing327999 | 100-499 | ◐ LIKELY ACTIVE |
| CTCork's Turkey Knob Wines LLC | Hambleton | WV | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| CBCornerstone Building Brands St. Mary Extrusion | Saint Marys | WV | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| CRCountry Roads Distillery | Wheeling | WV | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| CFCox Family Winery | Bunker Hill | WV | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| CMCP&P Martinsburg | Martinsburg | WV | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
Crane 1 Services - Charleston | Nitro | WV | Machinery Manufacturing333923 | 1-19 | ◐ LIKELY ACTIVE |
| CCCSE Corporation - Beckley Office | Beckley | WV | Miscellaneous Manufacturing339113 | 1-19 | ◐ LIKELY ACTIVE |
| CMCustom Manufacturing Service | Princeton | WV | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| CSCytec Solvay Group Willow Island Plant | Willow Island | WV | Chemical Manufacturing325199 | 100-499 | ◐ LIKELY ACTIVE |
| DYDailey Yard | Dailey | WV | Wood Product Manufacturing321918 | 20-99 | ◐ LIKELY ACTIVE |
| DVDaniel Vineyards | Crab Orchard | WV | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| DUDelrin USA, LLC | Washington | WV | Chemical Manufacturing325211 | 100-499 | ◐ LIKELY ACTIVE |
| DCDelta Cooling Towers | Philippi | WV | Machinery Manufacturing333415 | 20-99 | ◐ LIKELY ACTIVE |
| DHD & H Custom Meats LLC | Blacksville | WV | Food Manufacturing311611 | — | ◐ LIKELY ACTIVE |
| DEDiamond Electric WV | Eleanor | WV | Transportation Equipment Manufacturing336320 | 100-499 | ◐ LIKELY ACTIVE |
| DLDingess Lumber Co. Inc. - Summersville | Summersville | WV | Wood Product Manufacturing321113 | 20-99 | ◐ LIKELY ACTIVE |
| DBDouble Barrel Distillery | Fort Ashby | WV | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| DRDry Run Spirits | Franklin | WV | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| DADudley Avenue | Parkersburg | WV | Furniture and Related Product Manufacturing337211 | 20-99 | ◐ LIKELY ACTIVE |
| ECEaton Corporation | Hurricane | WV | Electrical Equipment, Appliance & Component Manufacturing335311 | — | ◐ LIKELY ACTIVE |
| EUEcolab US20/21 | Martinsburg | WV | Chemical Manufacturing325611 | 100-499 | ◐ LIKELY ACTIVE |
| EUECO USA, LLC - Parkersburg | Parkersburg | WV | Chemical Manufacturing325180 | 20-99 | ◐ LIKELY ACTIVE |
| EGElemental Genesis Technologies INC | Morgantown | WV | Primary Metal Manufacturing331410 | — | ◐ LIKELY ACTIVE |
| ELElgin Lighting | Sophia | WV | Electrical Equipment, Appliance & Component Manufacturing335132 | 20-99 | ◐ LIKELY ACTIVE |
| EMElkhorn Mountain Distillery LLC | Moorefield | WV | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |