| GMGenuine Meats LLC | Riverton | WY | Food Manufacturing311611 | 1-19 | ◐ LIKELY ACTIVE |
| GBGruner Brothers Brewing | Casper | WY | Beverage and Tobacco Product Manufacturing312130 | 1-19 | ◐ LIKELY ACTIVE |
| JLJonathon Lime Plant & Lime Kiln Dust Landfill (pete Lien & Sons Inc) | Albany County | WY | Nonmetallic Mineral Product Manufacturing327410 | — | ◐ LIKELY ACTIVE |
| KKomatsu | Gillette | WY | Machinery Manufacturing333319 | — | ◐ LIKELY ACTIVE |
| KAKomatsu (formerly a and J Diesel Repair) | Gillette | WY | Machinery Manufacturing333618 | — | ◐ LIKELY ACTIVE |
| LMLockhart Meat Company | Jackson | WY | Food Manufacturing311611 | 1-19 | ◐ LIKELY ACTIVE |
| MEMccown Enterprises LLC | Lander | WY | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| RBRoadhouse Brewing Co. | Jackson | WY | Beverage and Tobacco Product Manufacturing312140 | 20-99 | ◐ LIKELY ACTIVE |
| SFSaratoga Forest Management | Saratoga | WY | Wood Product Manufacturing321113 | 20-99 | ◐ LIKELY ACTIVE |
| TMTommerup Machine Shop, INC. | Worland | WY | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| WIWotco INC | Mills | WY | Machinery Manufacturing333131 | — | ◐ LIKELY ACTIVE |
| WSWyoming Sugar Company | Worland | WY | Food Manufacturing311313 | 100-499 | ◐ LIKELY ACTIVE |
| ALAstaris LLC Kemmerer Plant | Kemmerer | WY | Petroleum and Coal Products Manufacturing324199 | — | ◐ LIKELY ACTIVE |
| ASAurum Standards Group | Laramie | WY | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
| CTCertain Teed Gypsum | Cody | WY | Nonmetallic Mineral Product Manufacturing327420 | — | ◐ LIKELY ACTIVE |
| CCetco | Lovell | WY | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| CRCheyenne Renewable Diesel Company LLC | Cheyenne | WY | Miscellaneous Manufacturing339999 | — | ◐ LIKELY ACTIVE |
| CFCustom Fiberglass Shop | Casper | WY | Plastics and Rubber Products Manufacturing326130 | — | ◐ LIKELY ACTIVE |
| EPEast Painter Facility | Uinta | WY | Chemical Manufacturing325120 | — | ◐ LIKELY ACTIVE |
| ESEcho Springs Gas Plant | Carbon | WY | Chemical Manufacturing325120 | — | ◐ LIKELY ACTIVE |
| FLFrannie Lime Plant (dakota Coal) | Frannie | WY | Nonmetallic Mineral Product Manufacturing327410 | — | ◐ LIKELY ACTIVE |
| HCHalliburton Casper Field Camp | Evansville | WY | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
| HCHalliburton Casper Field Camp | Evansville | WY | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
| HMHulett Mill | Crook | WY | Wood Product Manufacturing321113 | — | ◐ LIKELY ACTIVE |
| JGJoy Global Gillette Wy | Gillette | WY | Machinery Manufacturing333131 | — | ◐ LIKELY ACTIVE |
| KRKnife River Cheyenne | Cheyenne | WY | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| LDLagoon Drive Ready Mix | Rock Springs | WY | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| LMLegacy Molding Corporation | Riverton | WY | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
Louisiana-pacific Saratoga Sawmill | Saratoga | WY | Wood Product Manufacturing321113 | — | ◐ LIKELY ACTIVE |
| OBOregon Basin Gas Plant | Cody | WY | Chemical Manufacturing325120 | — | ◐ LIKELY ACTIVE |
| PLPete Lien & Sons, INC. - Jonathon Lime Plant | Laramie | WY | Nonmetallic Mineral Product Manufacturing327410 | — | ◐ LIKELY ACTIVE |
| POPeterbilt of Wyoming | Casper | WY | Fabricated Metal Product Manufacturing332919 | — | ◐ LIKELY ACTIVE |
| STSafariland/defense Technology | Casper | WY | Fabricated Metal Product Manufacturing332993 | — | ◐ LIKELY ACTIVE |
| SCSgl Carbon LLC | Evanston | WY | Electrical Equipment, Appliance & Component Manufacturing335991 | — | ◐ LIKELY ACTIVE |
| SCSimon - Cheyenne Asphalt - Mobile Bc Plant #3 | Cheyenne | WY | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| TITuboscope INC Rocky Mountain Coating Plant | Casper | WY | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| UTUnion Tank Car Company Evanston Facility | Evanston | WY | Transportation Equipment Manufacturing336992 | — | ◐ LIKELY ACTIVE |
| VNVae Nortrak Cheyenne Inc/north America INC | Cheyenne | WY | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| WDWayne Div Dakota Coal Frannie Lime Plant | Frannie | WY | Nonmetallic Mineral Product Manufacturing327410 | — | ◐ LIKELY ACTIVE |
| WSWestern States Asphalt | Cheyenne | WY | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| 4L44 Lumber and Timber | Encampment | WY | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| AGAir Gas--riverton | Riverton | WY | Machinery Manufacturing333992 | — | ◇ UNVERIFIED |
| ALAmerican Lafrance LLC | Casper | WY | Transportation Equipment Manufacturing336112 | — | ◇ UNVERIFIED |
| ARAntelope Refining | Douglas | WY | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| BEBenchmark Energy Products LLC | Rock Springs | WY | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| BRBighorn Ready Mix | Greybull | WY | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BOBobcat of Casper | Casper | WY | Machinery Manufacturing333618 | — | ◇ UNVERIFIED |
| BCBp Casper Former Refinery | Casper | WY | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| BLBuckingham Lumber | Buffalo | WY | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| CCCampbell County Concrete (re-181) | Gillette | WY | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |