In 1987, the company went public as WMS Industries, Inc. Williams Electronics was spun out as an independent company in 1981. was incorporated as a wholly owned subsidiary of Seeburg, which changed its name to Xcor International in 1977. In 1973, the company branched out into the coin-operated arcade video game market with its Pong clone Paddle Ball, eventually creating a number of video game classics, including Defender and Robotron: 2084. and reorganized as Williams Electronics Manufacturing Division. In 1964, Williams was acquired by jukebox manufacturer Seeburg Corp. Williams initially was a manufacturer of pinball machines. However, the company that became WMS Industries was formally founded in 1974 as Williams Electronics, Inc. WMS's predecessor was the Williams Manufacturing Company, founded in 1943 by Harry E. It was merged into Scientific Games in 2016. was an American electronic gaming and amusement manufacturer in Enterprise, Nevada. Pinball tables, Arcade games, Slot machines, online gambling, mobile gambling, gaming software/hardware development