Institute for Legal, Legislative and Educational Action
http://www.fbi.gov/about-us/cjis/nics/general-information/participation-map This link will lead you to a map showing who uses NICS and which states are full POC (point of contact) with their own check system.
About now, you're asking, or maybe even rolling your eyes, why are talking about PICS again. You're probably familiar with the Burtner case from Butler County. The convoluted logic of the Pennsylvania State Police is priceless, and its scary as hell. If you're not familiar with Burtner, click here http://www.fandm.edu/politics/politically-uncorrected-column/the-elephant-in-the-room
So, how far away from the draconian regulations in California, another POC State, are we? Read this article and you decide http://freedomoutpost.com/2013/12/col-jon-lopey-retired-policeman-combat-vet-sheriff-top-secret-clearance-denied-firearm-purchase/
We're disgusted with the actions of the PSP, and fear that their logic is tragically linked to California. And all of this in the face of promises from Governor Corbett to reign in the State Police?