Since 1975, PSI proudly serves the following communities consisting of over 640,000 residents as well as hundreds of thousands of additional visitors across 2,836 square miles with over 70,000 emergency calls completed annually.
Since 1976
Since 1977
Since 1978
Since 1979
Since 1980
Since 1982
Since 1985
Since 1986
Since 1987
Since 1989
Since 1990
Since 1992
Since 1994
Since 1995
Since 1996
Since 1998
Since 1999
Since 2000
Since 2002
Since 2004
Since 2011
Since 2012
Since 2013
Since 2018
Since 2019
Since 2020