The National Wrestling League, headquartered out of Hagerstown, Maryland, was founded by Dick Caricofe in 1988, and has held professional wrestling events throughout the US and overseas in Guam, Saipan, Pohnpei, Hawaiian Islands, Palau, and the Marshall Islands. WWE and TNA superstar Mick Foley won his very first professional wrestling championship when he captured the NWL heavyweight title on the island of Guam in 1991. The SPWTC is also the home of the HOUSE of PAIN Wrestling Federation, founded by John Rambo in 1997. The HoPWF holds bi-weekly events in Pennsylvania and West Virginia, along with evening events at the NWL's Superior Pro Wrestling Training Center in Hagerstown, Maryland.
- NWL Heavyweight Championship
- NWL Cruiserweight Championship
- NWL Tag Team Championship
- NWL Women's Championship
- NWL Midget Championship