Keystone service systems, INC. (KSS) provides residential and related support services for families and individuals who experience intellectual disability, mental illness, or other behavioral challenges throughout central pennsylvania and the state of delaware. KSS AIMS to create opportunities so that ALL people CAN be valued, contributing members of their community. KSS' comprehensive systems of care provide a range of services from hourly supports to residential services provided 24 hours PER day, seven DAYS PER week.