| HGHilight Gas Plant | Gillette | WY | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| NBNelson Brothers Mining Services LLC | Gillette | WY | Chemical Manufacturing325920 | — | ◇ UNVERIFIED |
| CCCampbell County Concrete (re-181) | Gillette | WY | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CCaterpillar (cat) | Gillette | WY | Machinery Manufacturing333131 | — | ◇ UNVERIFIED |
| HAHillcrest Auto Body | Gillette | WY | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| JGJoy Global Gillette Wy | Gillette | WY | Machinery Manufacturing333131 | — | ◇ UNVERIFIED |
| NENalco Energy Services LP | Gillette | WY | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| VEViking Explosives LLC | Gillette | WY | Chemical Manufacturing325920 | — | ◇ UNVERIFIED |
| BIBGS Inc. | Gillette | WY | Plastics and Rubber Products Manufacturing326211 | — | ◇ UNVERIFIED |
| EHEnergyCS Holdings, LLC | Gillette | WY | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| FSFairmont Supply CO | Gillette | WY | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| FRFrank's Refrigeration: Indust | Gillette | WY | Beverage and Tobacco Product Manufacturing312113 | — | ◇ UNVERIFIED |
| GEGeneral Electric Company | Gillette | WY | Machinery Manufacturing333319 | — | ◇ UNVERIFIED |
| HWHahn Welding: Industrial Drain | Gillette | WY | Machinery Manufacturing333992 | — | ◇ UNVERIFIED |
| KLKdmj, LLC | Gillette | WY | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| LSLimitless Shops & Land LLC | Gillette | WY | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| LPLng Plant | Gillette | WY | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| MMMobiscreen Ms 16d | Gillette | WY | Machinery Manufacturing333131 | — | ◇ UNVERIFIED |
| RCRex - Coal Based Activated Ca | Gillette | WY | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| SISvr Industries LLC | Gillette | NJ | Nonmetallic Mineral Product Manufacturing327110 | — | ◇ UNVERIFIED |
| WMWyoming Machinery Company: in | Gillette | WY | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
