The Johnstown Chiefs which is in Pennsylvania has been operating since 1987.
Johnstown, Pennsylvania 19872010 
The Johnstown Chiefs were a minor league ice hockey team located in Johnstown, Pennsylvania, that played in the ECHL. The team was founded in 1987 in the All-American Hockey League, and moved to the East Coast Hockey League (now "ECHL") when that league was formed. The Chiefs relocated to Greenville, South Carolina, following the completion of the 2010 season. 
