1. The Eastern Alliance is divided into three divisions, 15 teams.
(1) Southeast Branch
Atlanta Hawk, Charlotte Hornet, Miami Heat, Orlando Magic, Washington Wizards.
(2) Atlantic Division
Boston Celtics, Brooklyn Nets, new york Knicks, Philadelphia 76ers, Toronto Raptors.
(3) Central Branch
Chicago Bulls, Cleveland Cavaliers, Detroit Pistons, Indiana Pacers, Milwaukee Bucks
Second, Western Union is also divided into three divisions, 15 team.
(1) Southwest Branch
Dallas Mavericks, Houston Rockets, Memphis Grizzlies, New Orleans Pelicans, San Antonio Spurs.
(2) Northwest Division
Denver Nuggets, Minnesota Timberwolves, Oklahoma City Thunder, Portland Trailblazers, Utah Jazz
(3) Pacific Division
Golden State Warriors, Los Angeles Clippers, Los Angeles Lakers, Phoenix Suns, Sacramento Kings
Disappearing NBA teams:
Anderson Packers (1949–1950), Baltimore Bullets (1947–1954), Chicago Bucks (1946–1950).
Pittsburgh Ironman Team (1946- 1947), Providence Steam Roller Team (1946- 1949), Hebgen Redskins Team (1949-1949).