The Pennsylvania Department of State has released a list of candidates who turned in nomination petitions for offices ranging from party committee to governor. The list - which contains contact information for the candidates as well as updated developments on their campaign statuses (withdrawals, nomination challenges, ballot order) - can be accessed here.
A special FREE feature that will interest election attorneys and others working on petition challenges: the actual nomination petitions can be downloaded easily at that site.
The list does not include candidates running for committeeperson in Philadelphia. That list will be forthcoming here, according to the Officer of the Philadelphia City Commissioners.