Participating Organizations (POs), Qualified Security Assessors (QSAs), Approved Scanning Vendors (ASVs), PIN Transaction Security (PTS) group members, PCI Professionals (PCIP), Payment Application QSAs (PA QSAs), Internal Security Assessors (ISA), Qualified Integrators and Resellers (QIR) and Point to Point Encryption Assessors (P2PE) – or anyone interested in becoming a Participating Organization or learning more about our programs.