Williams Pinball machines are manufactured by WMS industries. WMS is an American company based in Illinois and is makers of electronic gaming and amusement equipment. Their two main subsidiaries are WMS gaming and Orion gaming. Williams Manufacturing Company (WMS) was founded in the year 1943 by Harry E Williams initially as Williams Electronics, Inc. Williams initially started their manufacturing business as makers of pinball tables. The first few products from the company stable were fortune-telling machines, electro-mechanical game, a novelty machine and pinball conversions. Williams was a Stanford graduate, who later on successfully developed the tilt mechanism for the pinball machines.