| name | Hub | image | date Ceased operations | date Commenced operations | IATA Code | ICAO Code | city Headquarters | administrative division Headquarters | country Headquarters | continent Headquarters | Country | continent | Parent | number of aircrafts | number of destinations | Website |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bighorn Airways | Sheridan County Airport | 1947 | BHR | Sheridan, Wyoming | Wyoming | United States | Americas | United States | Americas | 20 | Website | |||||
| Centennial Airlines | 1987 | 1981 | BE | CNL | Laramie, Wyoming | Wyoming | United States | Americas | United States | Americas | Website | |||||
| Great Lakes Airlines | Denver International Airport |  | 1977 | ZK | GLA | Cheyenne, Wyoming | Wyoming | United States | Americas | United States | Americas | Great Lakes Airlines | 28 | 30 | Website |