| Public Transit Authority | City | External link |
| Transportation Management Association of Chester County | West Chester, Pennsylvania | https://tmacc.org/ |
| Pottstown Area Rapid Transit | Pottstown, Pennsylvania | http://pottstownarearapidtransit.com/ |
| Red Rose Transit Authority | Lancaster, Pennsylvania | http://www.redrosetransit.com/ |
| Westmoreland County Transit Authority | Greensburg, Pennsylvania | https://www.westmorelandtransit.com/ |
| Berks Area Regional Transportation Authority | Reading, Pennsylvania | http://www.bartabus.com |
| Mid County Transit Authority | Kittanning, Pennsylvania | https://www.tandctransit.com/ |
| Beaver County Transit Authority | Rochester, Pennsylvania | http://www.bcta.com |
| Centre Area Transportation Authority | State College, Pennsylvania | http://www.catabus.com |
| Indiana County Transit Authority | Indiana, Pennsylvania | https://www.indigobus.com |
| LANta | Allentown, Pennsylvania | http://www.lantabus.com |
| Perry County Transportation Authority | Newport, Pennsylvania | |
| North Central Pennsylvania Area Transportation Authority | Johnsonburg, Pennsylvania | http://www.rideata.com |
| Monroe County Transportation Authority | Scotrun, Pennsylvania | |
| Moon Transportation Authority | Coraopolis, Pennsylvania | |
| Freedom Transit | Washington, Pennsylvania | https://www.freedom-transit.org |
| BeST Transit | Athens, Pennsylvania | http://www.gobesttransit.com |
| Upper Merion Transportation Authority | King of Prussia, Pennsylvania | |
| Adams County Transit Authority | Gettysburg, Pennsylvania | |
| Allegheny County Port Authority | Pittsburgh, Pennsylvania | https://www.rideprt.org/ |
| Dubois Falls Creek Sandy Township Joint Transportation Authority | Dubois, Pennsylvania | |
| Erie Metropolitan Transit Authority | Erie, Pennsylvania | http://www.emtaerie.com |
| County of Lackawanna Transit System | Scranton, Pennsylvania | http://coltsbus.com |
| Luzerne County Transportation Authority | Kingston, Pennsylvania | http://www.lctabus.com |
| Southeastern Pennsylvania Transportation Authority | Philadelphia, Pennsylvania | http://www.septa.org |
| Capital Area Transit | Harrisburg, Pennsylvania | http://www.cattransit.com |
| New Castle Area Transit Authority | New Castle, Pennsylvania | |
| Susquehanna Regional Transportation Authority | York, Pennsylvania | http://www.rabbittransit.org/ |
| Altoona Metro Transit | Altoona, Pennsylvania | http://www.amtran.org |
| Kutztown Transportation Authority | Kutztown, Pennsylvania | |
| Warren County Transit Authority | Warren, Pennsylvania | |
| Cambria County Transit Authority | Johnstown, Pennsylvania | https://www.camtranbus.com |
| Mid Mon Valley Transit Authority | Charleroi, Pennsylvania | |
| Crawford Area Transportation Authority | Meadville, Pennsylvania | |
| Frazer Transportation Authority | Tarentum, Pennsylvania | |
| Butler Transit Authority | Butler, Pennsylvania | |
| Lebanon County Transit Authority | Lebanon, Pennsylvania | https://lebanontransit.org |
| Schuylkill Transportation System | St. Clair, Pennsylvania | https://go-sts.com |
| Lower Anthracite Transportation System | Mount Carmel, Pennsylvania | |
| River Valley Transit |
Williamsport, Pennsylvania |
https://www.ridervt.com |
| Mercer County Community Transit |
Hermitage, Pennsylvania |
http://www.mcrcog.com/mcct.php |
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