The North Iowa Bulls are a Tier II junior ice hockey team in the North American Hockey League (NAHL). They play their home games at the Mason City Multipurpose Arena in Mason City, Iowa. The organization also operates a Tier III junior team in the North American 3 Hockey League (NA3HL) that was known as the North Iowa Bulls from 2011 to 2021 before the club relocated from Amarillo, Texas. The Bulls were coached by Todd Sanden, who has been with the North Iowa team since its inception in 2011. The Bulls are now coached by Nick Bruneteau.
In 2019, owners of the North Iowa Bulls, F&S Management Company LLC, acquired the Amarillo Bulls of the North American Hockey League (NAHL) and the North Iowa Bulls gained a Tier II affiliation. On March 5, 2021, it was announced that the Amarillo team would relocate to Mason City starting in the 2021âÂÂ22 season as the North Iowa Bulls. Todd Sanden remained the head coach and general manager of the North Iowa Bulls after joining the NAHL. On March 18, 2026, it was announced that the North Iowa Bulls would relocate to Houston, Texas, becoming the Houston Bulls beginning in the 2026-27 season.
The Bulls have advanced a number of players on to higher levels of junior hockey including the North American Hockey League, as well as NCAA Division I, NCAA Division III and ACHA college programs.