This is the year-to-year membership and makeup of the Premier Basketball League, including league divisional alignment and the circumstances of teams no longer in the league.
Alignments
2008
2009
2010
2011
*The Frost Heaves folded partway through the 2011 season.
2012
Defunct Teams/Failed Expansion
Arkansas Impact (2008) Augusta Groove (2008-09) Bridgeport, Connecticut Buffalo Dragons (2008-10) - sold to the management of the Buffalo Sharks of the ABA to form the Buffalo Stampede. Chicago Aztecas Chicago Throwbacks (2008-09) Dallas Defenders (2008) - ownership revoked mid-season, replaced by league-run replacement, folded when no outside owner could be found Detroit Panthers (2008-09) Jacksonville JAM - expelled by league Jacksonville SLAM (2008) - league-run replacement for JAM; folded when no outside owner could be found Lawton-Fort Sill Cavalry-(2009-11) left after losing in the controversial 2011 PBL Finals. Suspended operations. Mid-Michigan Destroyers (2009) Montreal Sasquatch (2009) Pee Dee Vipers (2014) Philadelphia Flight (2014) Quad City Riverhawks (2007-08) Reading Railers (2007-08) Rockford Fury (2007-08) - folded when the PBL instituted a "one team per owner" rule Southeast Asian All-Stars - announced by PBL, have not been heard from since and not on official website's team roster. Toronto Lazers - PBL announced a Toronto expansion team but the team did not join the league for the 2009 season. No update from the league on their status. Vermont Frost Heaves (2009-11) - folded from lack of funds.
Teams that left the PBL for another league
Battle Creek Knights - rejoined International Basketball League
Bluegrass Stallions- left under unspecified circumstances. Buffalo Stampede - removed by the league for failure to adhere to operating standards, joined Atlantic Coast Professional Basketball League Capitanes de Arecibo - rejoined Baloncesto Superior Nacional Dayton Air Strikers-(2011-12) joined International Basketball League, returned to PBL for 2012 season Halifax Rainmen (2009-11) - left after controversial 2011 playoffs for National Basketball League of Canada. Lafayette Legends - announced, never played a PBL game. Joined Independent Basketball Association (also never played). Maryland GreenHawks (2007-09) - joined Atlantic Coast Professional Basketball League as Washington GreenHawks, folded. Minnesota Ripknees (2007) - returned to American Basketball Association, folded shortly afterward. Quebec Kebs (2009-11) - left after controversial 2011 playoffs for National Basketball League of Canada Racine Storm (2014-16) - played three games in 2016 before leaving PBL; ceasing operations Saint John Mill Rats (2009-11) - left after controversial 2011 playoffs for National Basketball League of Canada