Among local agencies, municipal governments (cities, boroughs, and townships) were involved in the most Right-to-Know Law appeals in 2016: 53%.
If you include local police departments and fire departments, that percentage jumps to 63%.
Among commonwealth agencies, the Department of Corrections (38.7%) was involved in more appeals than any other in 2016. The vast majority of DOC appeals were filed by inmates.
The Pennsylvania State Police were involved in 6.8% of commonwealth agency appeals, followed by the Dept. of Transportation (5.9%), the Dept. of Environmental Protection (5.9%), the Board of Probation and Parole (3.8%), the Dept. of Human Services (3.1%), the Philadelphia Parking Authority* (3.0%), and the Dept. of State (2.8%).
* The Philadelphia Parking Authority is a commonwealth agency pursuant to the statute which created it.