| CMCogar Manufacturing | Bolt | WV | Machinery Manufacturing333131 | — | ◇ UNVERIFIED |
| CSColonial Slitting Industries LLC | Weirton | WV | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| CCColumbian Chemcials Company | Proctor | WV | Chemical Manufacturing325182 | — | ◇ UNVERIFIED |
| CCColumbian Chemicals Company | Proctor | WV | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| CCColumbian Chemicals Company, Moundsville | Moundsville | WV | Chemical Manufacturing325182 | — | ◇ UNVERIFIED |
| CBCommercial Blast & Paint | Fraziers Bottom | WV | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| CPConcrete Pipe & Precast Llc-martinsburg Precast Plant | Martinsburg | WV | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| CCCongo Corporation | Chester | WV | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| CIConsol Innovations LLC | Triadelphia | WV | Petroleum and Coal Products Manufacturing324199 | — | ◇ UNVERIFIED |
| CCContinental Casket INC | Beckley | WV | Miscellaneous Manufacturing339995 | — | ◇ UNVERIFIED |
| CPContinental Plastic Containers | Newell | WV | Fabricated Metal Product Manufacturing332431 | — | ◇ UNVERIFIED |
| CSControlled Systems | Fairmont | WV | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| CMConveyor Mfg & Supply INC | Milton | WV | Machinery Manufacturing333922 | — | ◇ UNVERIFIED |
| CHCookes Hydraulic & Machine | Melville | WV | Machinery Manufacturing333513 | — | ◇ UNVERIFIED |
| CACooper Asphalt | Mill Creek | WV | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CMCreo Manufacturing America LLC | Middleway | WV | Chemical Manufacturing325992 | — | ◇ UNVERIFIED |
| CWCsc Westover Rmc | Morgantown | WV | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CACustom Applicators | Pettyville | WV | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| CMCustom Marble CORP | Wheeling | WV | Plastics and Rubber Products Manufacturing326191 | — | ◇ UNVERIFIED |
| CWC. W. Stickley and Sons, Inc., Fairmont Plant | Fairmont | WV | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CCCycle Center | Huntington | WV | Chemical Manufacturing325194 | — | ◇ UNVERIFIED |
| CICyclops Industry INC | South Charleston | WV | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| CICytec Industries, Willow Island Plant | Belmont | WV | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| DIDanser INC | Parkersburg | WV | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DCDevols Cycle Center | Parkersburg | WV | Electrical Equipment, Appliance & Component Manufacturing335312 | — | ◇ UNVERIFIED |
| DDDillon Decanter & Machine INC | Eleanor | WV | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| DFDill's Fire & Safety Equip | Ravenswood | WV | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| DIDixie-narco INC | Ranson | WV | Machinery Manufacturing333311 | — | ◇ UNVERIFIED |
| DTDixie Tractor | Princeton | WV | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| DMDj Mfg INC | Huntington | WV | Machinery Manufacturing333319 | — | ◇ UNVERIFIED |
| DLD & L Fabricators | Grafton | WV | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| DDDomestic Distribution Warehouse | Parkersburg | WV | Electrical Equipment, Appliance & Component Manufacturing335932 | — | ◇ UNVERIFIED |
| DSDomestic Synthetic Fuels I, Llc, Domestic Synth Fuels | Summit Point | WV | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| DHDownard Hydraulics INC | Princeton | WV | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| DBDravo Basic | Ravenswood | WV | Machinery Manufacturing333319 | — | ◇ UNVERIFIED |
| DIDte Indy Coke LLC | Moundsville | WV | Petroleum and Coal Products Manufacturing324199 | — | ◇ UNVERIFIED |
| DSDte Smith Branch, Llc, Pineville | Pineville | WV | Petroleum and Coal Products Manufacturing324199 | — | ◇ UNVERIFIED |
| DRDwr Research CO | Pennsboro | WV | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| DGDynamic Graphics | South Charleston | WV | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| DWDynamic West Virginia - Site 1 | Morgantown | WV | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| EBEarthgrains Baking CO INC | Rand | WV | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| EBEarthgrains Baking CO INC - Maintenance | Huntington | WV | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| EAEastern Asphalt Products, LLC | Sprague | WV | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| EAEastern Associated Coal, Llc, Federal #2 | Wana | WV | Petroleum and Coal Products Manufacturing324199 | — | ◇ UNVERIFIED |
| ESEastern Steel | Mount Hope | WV | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| ETEastern Tank & Utility Services INC | Bluefield | WV | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| EVEastern Vault Company INC | Princeton | WV | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| EGEast Gulf Preparation Plant | Rhodell | WV | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| EPEaston Printing | Parkersburg | WV | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| EAEd Arey & Son INC | Hodgesville | WV | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
