Ten teams participated in the regular season and the Rockford IceHogs won the league title.
The Motor City Mechanics announced it would suspend operations for the 2006–07 season.
The Richmond Riverdogs relocated to Chicago to become the Chicago Hounds after missing opportunities to renew their lease at Richmond Coliseum.
The Missouri River Otters folded due to poor attendance, issues with Family Arena and steep workman's comp bill The Roanoke Valley Vipers folded due to poor attendance, complaints of ticket sales, criticism of owners and marketing and declining local interest in the area.
The Adirondack Frostbite suspended operations after failing to reach an agreement with the Glens Falls Civic Center.