| AIAc&s, Inc., Nitro | Nitro | WV | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| BMBrenntag Mid-south, INC | Nitro | WV | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| CRCatalyst Refiners, Inc., Nitro | Nitro | WV | Miscellaneous Manufacturing339991 | — | ◇ UNVERIFIED |
| CVChem Valley Machine | Nitro | WV | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| EIEnviromine, INC. | Nitro | WV | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| FEFike Enterprises INC | Nitro | WV | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| GLGreat Lakes Chemical CORP. | Nitro | WV | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| JCJohnson Controls INC | Nitro | WV | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| MCMaxim Crane Works LP | Nitro | WV | Machinery Manufacturing333923 | — | ◇ UNVERIFIED |
| MFMountaineer Fabricators INC | Nitro | WV | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| SPS&e Printing | Nitro | WV | Printing and Related Support Activities323120 | — | ◇ UNVERIFIED |
| SASolutia-ops at Flexsys Nitro | Nitro | WV | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| WVWest Virginia Group, Inc., Nitro | Nitro | WV | Fabricated Metal Product Manufacturing332439 | — | ◇ UNVERIFIED |
| ACAmerican Critical Power Systems LLC | Nitro | WV | Electrical Equipment, Appliance & Component Manufacturing335911 | — | ◇ UNVERIFIED |
| IFInternational Fiber Corporation | Nitro | WV | Chemical Manufacturing325221 | — | ◇ UNVERIFIED |
| MCMauser CORP | Nitro | WV | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| MCMonsanto CO Nitro | Nitro | WV | Plastics and Rubber Products Manufacturing326299 | — | ◇ UNVERIFIED |
| PBPoca Blending LLC | Nitro | WV | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
