Pro Wrestling eXpress is a professional wrestling promotion that was founded in North Versailles, Pennsylvania in 1994 by Jim Miller and Sean "Shocker" Evans. It is the longest-running promotion in the Pittsburgh metropolitan area. PWX was the main rival of Steel City Wrestling during the 1990s and was an affiliate of the National Wrestling Alliance from 1997 to 2012. PWX held a prominent role in the organization during this period. It was part in the annual NWA Anniversary Shows from 1998 to 2000 and brought national and world NWA champions to audiences in the East Coast of the United States. The promotion also collaborated with non-NWA members on the local independent circuit holding several interpromotional shows with Chris Lash's Allied Powers Wrestling Federation and participated in Deaf Wrestlefest (2010).

The National Wrestling Alliance (NWA) is an American professional wrestling promotion and governing body owned by Billy Corgan and operated by its parent company Lightning One, Inc.