| Transit agency | City | Vehicles operated directly | Website |
|---|---|---|---|
| Indianapolis and Marion County Public Transportation | Indianapolis | 135 | Official site |
| Northern Indiana Commuter Transportation District | Chesterton | 70 | Official site |
| South Bend Public Transportation Corporation | South Bend | 57 | Official site |
| Greater Lafayette Public Transportation Corporation | Lafayette | 52 | Official site |
| Fort Wayne Public Transportation Corporation | Fort Wayne | 40 | Official site |
| Muncie Indiana Transit System | Muncie | 36 | Official site |
| Bloomington Public Transportation Corporation | Bloomington | 34 | Official site |
| City of Kokomo | Kokomo | 30 | Official site |
| City of Evansville | Evansville | 28 | Official site |
| Gary Public Transportation Corporation | Gary | 20 | Official site |
| Kankakee-Iroquois Regional Planning Commission | Monon | 18 | Official site |
| City of Anderson | Anderson | 12 | Official site |
| City of Columbus | Columbus | 10 | Official site |
| City of Terre Haute | Terre Haute | 10 | Official site |
| City of Richmond | Richmond | 8 | Official site |
| City of Marion | Marion | 7 | Official site |
| City of Michigan | Michigan City | 7 | Official site |
| North Township of Lake County | Hammond | 6 | Official site |
| City of Bedford | Bedford | 5 | Official site |
| City of Seymour | Seymour | 5 | Official site |
| City of La Porte, Indiana | La Porte | 4 | Official site |
| City of East Chicago | East Chicago | 3 | Official site |
| City of Huntingburg | Huntingburg | 3 | Official site |
| Madison County Council of Governments | Anderson | 2 | Official site |
| City of Washington | Washington | 1 | Official site |
| Central Indiana Regional Transportation Authority | Indianapolis | 0 | Official site |
| City of Valparaiso | Valparaiso | 0 | Official site |
| Hamilton County | Noblesville | 0 | Official site |
| Michiana Area Council of Governments | South Bend | 0 | Official site |
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.