| Transit agency | City | Vehicles operated directly | Website |
|---|---|---|---|
| City of Casper | Casper | 24 | Official site |
| Southern Teton Area Rapid Transit | Jackson | 22 | Official site |
| University of Wyoming | Laramie | 15 | Official site |
| The City of Cheyenne | Cheyenne | 14 | Official site |
| Fremont County Association of Governments | Riverton | 9 | Official site |
| Sweetwater County Transit Authority | Rock Springs | 6 | Official site |
| Shoshone and Arapaho Tribes | Fort Washakie | 5 | — |
Largest first by vehicles operated directly, as each employer reports it to its federal registry.
Source: Federal Transit Administration, National Transit Database 2024 — Reporter Agency Information. Data captured September 30, 2026.