30 takımı barındırır. 2 konferansta 5 erli gruplarda 3-3 olmak üzere 6 bölümde yer alırlar.
eastern conference
atlantic division: boston celtics, new jersey nets, new york knicks, philadelphia 76ers, toronto raptors
central division: chicago bulls, cleveland cavaliers, detroit pistons, indiana pacers, milwaukee bucks
southeast division: atlanta hawks, charlotte bobcats, miami heat, orlando magic, washington wizards
western conference
southwest division: dallas mavericks, houston rockets, memphis grizzlies, new orleans hornets, san antonio spurs
northwest division: denver nuggets, minnesota timberwolves, portland trail blazers, seattle supersonics, utah jazz
pacific division: golden state warriors, los angeles clippers, los angeles lakers, phoenix suns, sacramento kings
en çok şampiyon olan takımı 16 kez boston celtics'dir.
