We service and repair all types of slot machines. Serial #'s 30000 to 90000 manufactured: ALPHA 2 Pro Series™ Jumbo V55 from Bally Technologies The company is based in las vegas, nevada, and was founded in 1968 under the name advanced patent technology. How to identify bally slot machines . Urcomped's slot machine finder is a product of the urcomped community where we have received uploads from thousands of members that have tagged pictures, videos, slot machines, and casinos of over 3,000 different slot machines at hundereds of casinos. Midwest slots selling quality slot machines since 1995. Not only do they make slot machines, but they used to be one of the biggest pinball machine companies in the world, too. 3 reels, hold and draw; How to identify bally slot machines and forecast your finances, reduce risk, spot trends, and increase security. The subscriber implicitly how to identify bally slot machines gives his authorization to the processing of any personal ...