Bally Technologies, Inc. is a manufacturer of slot machines and other gaming technology based in Las Vegas, Nevada. It is the descendant and continuation of the original Bally Manufacturing Corporation of Chicago.

Bally Technologies was founded in 1968 as “Advanced Patent Technologies”. It eventually changed its name to “Alliance Gaming Corporation” and acquired, in 1996, “Bally Gaming International” (a former division of the Bally Manufacturing Corporation), which it decided to run as a subsidiary under the name “Bally Gaming and Systems”. In 2006, the entire Alliance Gaming Corporation organization was officially renamed Bally Technologies Inc.