Answer
WCW and TNA were the two wrestling federations where Scott Steiner headlined multiple pay-per-view events. Steiner was a prominent figure in WCW during the late 1990s and early 2000s, where he won the WCW World Heavyweight Championship on multiple occasions. He also had a successful tenure in TNA, where he held the TNA World Heavyweight Championship and was a prominent member of the Main Event Mafia stable.