 Atlas Carbon, LLC | Gillette, WY | Chemical Manufacturing325998 | — | ● ACTIVE |
 Big Lost Meadery LLC | Gillette, WY | Beverage and Tobacco Product Manufacturing312130 | — | ● ACTIVE |
 Chemical Consultants LLC | Gillette, WY | Chemical Manufacturing325998 | — | ● ACTIVE |
 Equality State Farms LLC | Gillette, WY | Food Manufacturing311991 | — | ● ACTIVE |
 Legacy Innovations LLC | Rozet, WY | Plastics and Rubber Products Manufacturing326113 | — | ● ACTIVE |
 L & H Industrial INC | Gillette, WY | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
 Sixkings, LLC | Gillette, WY | Miscellaneous Manufacturing339114 | — | ● ACTIVE |
| HGHilight Gas Plant | Gillette, WY | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| NBNelson Brothers Mining Services LLC | Gillette, WY | Chemical Manufacturing325920 | — | ◇ UNVERIFIED |
| KKomatsu | Gillette, WY | Machinery Manufacturing333319 | — | ◐ LIKELY ACTIVE |
| KAKomatsu (formerly a and J Diesel Repair) | Gillette, WY | Machinery Manufacturing333618 | — | ◐ LIKELY ACTIVE |
| 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 |
| GFGillette Fill Plant | Gillette, WY | Chemical Manufacturing325120 | 1–19 | ◐ LIKELY ACTIVE |
| KMKoehler's Meat and Sausage Company | Gillette, WY | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| MSMining Services | Gillette, WY | Chemical Manufacturing325920 | 20–99 | ◐ LIKELY ACTIVE |
| TDTd Dragon LLC | Gillette, WY | Electrical Equipment, Appliance & Component Manufacturing335999 | — | ◐ LIKELY ACTIVE |
| 5B50 Buttes Plant | Campbell, WY | Chemical Manufacturing325120 | — | ◇ 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 |
| FUFort Union Activated Carbon Facility | Campbell, WY | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| FRFrank's Refrigeration: Indust | Gillette, WY | Beverage and Tobacco Product Manufacturing312113 | — | ◇ UNVERIFIED |
| GEGeneral Electric Company | Gillette, WY | Machinery Manufacturing333319 | — | ◇ UNVERIFIED |
| GHGillette Hot Plant Site | Campbell County, WY | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| HWHahn Welding: Industrial Drain | Gillette, WY | Machinery Manufacturing333992 | — | ◇ UNVERIFIED |
| JGJ G Specialty Welding LLC | Gilltte, WY | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| KLKdmj, LLC | Gillette, WY | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| LSLimitless Shops & Land LLC | Gillette, WY | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| MMMobiscreen Ms 16d | Gillette, WY | Machinery Manufacturing333131 | — | ◇ UNVERIFIED |
| PAPortable Asphalt Plant (ct-1042) | Campbell County, WY | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| PHPortable Hot Mix Asphalt Plant | Campbell, WY | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| WMWyoming Machinery Company: in | Gillette, WY | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
