Welcome. You sound all set-up to OC in Pennsylvania, then... presuming you have a PA LTCF. Either way, you're good anywhere outside of Philadelphia, but with the PA LTCF, you're (legally) good to OC in Philadelphia as well.
Really, provided you have a PA LTCF or equivalent, PA laws are very non-restrictive regarding places off-limits to carry. Whether you'll get persecuted or not remains to be seen, but you're good to go from a legal standpoint.