Voestalpine Railway Systems Nortrak LLC | Cheyenne | WY | Nonmetallic Mineral Product Manufacturing327390 | 100-499 | ● ACTIVE |
Vaughn Excavating and Construction, INC. | Cheyenne | WY | Nonmetallic Mineral Product Manufacturing327390 | — | ● ACTIVE |
| GPGeorgia Pacific Corporation | Lovell | WY | Nonmetallic Mineral Product Manufacturing327420 | — | ◐ LIKELY ACTIVE |
| MCMountain Cement CO | Laramie | WY | Nonmetallic Mineral Product Manufacturing327310 | — | ◐ LIKELY ACTIVE |
| BPBentonite Performance Minerals Plant | Aladdin | WY | Nonmetallic Mineral Product Manufacturing327999 | — | ◐ LIKELY ACTIVE |
| JLJonathon Lime Plant & Lime Kiln Dust Landfill (pete Lien & Sons Inc) | Albany County | WY | Nonmetallic Mineral Product Manufacturing327410 | — | ◐ LIKELY ACTIVE |
| CTCertain Teed Gypsum | Cody | WY | Nonmetallic Mineral Product Manufacturing327420 | — | ◐ LIKELY ACTIVE |
| FLFrannie Lime Plant (dakota Coal) | Frannie | WY | Nonmetallic Mineral Product Manufacturing327410 | — | ◐ LIKELY ACTIVE |
| BRBighorn Ready Mix | Greybull | WY | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CCCampbell County Concrete (re-181) | Gillette | WY | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CCetco | Lovell | WY | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| C3Croell 303 | Cheyenne | WY | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| KRKnife River Materials Yard | Casper | WY | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| LDLagoon Drive Ready Mix | Rock Springs | WY | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| MCMobile Concrete | Mills | WY | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| NCNewcastle Concrete Batch Plant | Newcastle | WY | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| PLPete Lien & Sons, INC. - Jonathon Lime Plant | Laramie | WY | Nonmetallic Mineral Product Manufacturing327410 | — | ◇ UNVERIFIED |
| TPTungsten Parts Wyoming | Laramie | WY | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| WDWayne Div Dakota Coal Frannie Lime Plant | Frannie | WY | Nonmetallic Mineral Product Manufacturing327410 | — | ◇ UNVERIFIED |
| 5D5 Diamond Ranch Company | Banner | WY | Nonmetallic Mineral Product Manufacturing327332 | — | ◐ LIKELY ACTIVE |
| CCheyenne (1046) | Cheyenne | WY | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| CCprdpc | Bar Nunn | WY | Nonmetallic Mineral Product Manufacturing327332 | 1-19 | ◐ LIKELY ACTIVE |
| RSRock Springs | Rock Springs | WY | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| SRSundance Region (9905) | Sundance | WY | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| WLWY010 Lovell Gypsum | Lovell | WY | Nonmetallic Mineral Product Manufacturing327420 | 100-499 | ◐ LIKELY ACTIVE |
| 1J1-11 Johnson Ross | Carbon | WY | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BHBig Horn Redi Mix | Powell | WY | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BHBig Horn Redi Mix | Cody | WY | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BHBig Horn Redi Mix | Thermopolis | WY | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BPBohringer Portable Concrete P | Cheyenne | WY | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BCBuffalo Concrete Batch Plant | Johnson | WY | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CMCasper/kaycee Mobile Grout Pl | Johnson County | WY | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CSCedar Spring Wind Farm | Converse | WY | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CMCentral Mix Batch Plant | Laramie County | WY | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CCCheyenne Concrete Batch Plant | Laramie | WY | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CCCody Concrete Batch Plant (ct-1557) | Park | WY | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CWCody Wallboard Plant | Park | WY | Nonmetallic Mineral Product Manufacturing327420 | — | ◇ UNVERIFIED |
| CPCollins Pit | Platte | WY | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CBConcrete Batch Plant | Jackson | WY | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CRCroell Redimix Plant | Torrington | WY | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CCt-621 | Fremont County | WY | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CCt-621 | Fremont | WY | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| D8Depatco 8035 Dry Batch Plant | Lincoln County | WY | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| EMExero Mills Cement Plant | Mills | WY | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| FBForterra Bar Nunn Precast Yard | Casper | WY | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| FLFrannie Lime Plant | Park | WY | Nonmetallic Mineral Product Manufacturing327410 | — | ◇ UNVERIFIED |
| GCGillette Concrete Batch Plant | Campbell | WY | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| GPGlenrock Portable Concrete Ba | Converse County | WY | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| GCGranite Canyon Quarry | Laramie | WY | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| IYImc-pocatello Yellowstone Rea | Park County | WY | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |