| Williams Electronic Games, Inc., a subsidiary of WMS Inc. (1985-1999) | 3634 |
| Bally Manufacturing Corporation (1931-1983) | 3099 |
| D. Gottlieb & Co. (1931-1977) | 2335 |
| Williams Electronics, Inc. (1967-1985) | 2066 |
| Midway Mfg. Co., a subsidiary of WMS Industries, Inc. (1988-1999) | 1866 |
| D. Gottlieb & Co., a Columbia Pictures Industries Company (1977-1983) | 871 |
| Data East USA, Inc. (1987-1994) | 775 |
| Premier Technology (1984-1996) | 586 |
| Stern Electronics, Inc. (1977-1984) | 411 |
| Stern Pinball, Inc. (1999-) | 371 |
| Williams Electronic Manufacturing Co. (1958-1967) | 369 |
| Williams Manufacturing Company (1944-1958) | 299 |
| Sega Pinball, Inc. (American) | 179 |
| Bally Midway Mfg. Co. (1983-1988) | 152 |
| Chicago Coin Machine Mfg. Co. (1932-1977) | 142 |
| Zaccaria (Bologna, Italy) (1974-1987) | 67 |
| Atari, Inc. (1976-1983) | 62 |
| Game Plan, Inc. (1978-1985) | 58 |
| United Mfg. Co. (1942-1962) | 26 |
| Capcom Coin-Op, Inc. (1995 - 12/9/1996) | 26 |
| Alvin G. and Company (1992-1994) | 22 |
| Recel S. A. (Madrid, Spain) (1974-1986) | 18 |
| Fascination Int., Inc. (1977-1979) | 17 |
| Allied Leisure Industries, Inc. (1972-1979) | 16 |
| Genco Mfg. Co. (1931-1957) | 15 |
| Mylstar Electronics, Inc. (1983-1984) | 13 |
| Brunswick Mfg. Co. (1932-1980) | 12 |
| Segasa d.b.a. Sonic (Spain) | 10 |
| Segasa (Spain) (1972-1986) | 9 |
| Playmatic (Barcelona, Spain) (1974-1985) | 8 |
| Rapid Pinball (Kent Town, S.A.) | 7 |
| Exhibit Supply Co. (1932-1957) | 7 |
| The Valley Company, Subsidiary of Walter Kidde & Co., Inc. (1978) | 7 |
| J. H. Keeney and Co. Inc. (1931-1964) | 7 |
| Stoner Mfg. Co. (1933-1941) | 6 |
| Midway Manufacturing Co. (1959-1978) | 6 |
| Artists and Creators Guild Inc. (1932) | 5 |
| Briarwood, Div. Of Brunswick Mfg. Co. (1976-1977) | 4 |
| Interflip S. A. (Spain) (1975) | 4 |
| Pacific Amusement Mfg. Co. (1932-1937) | 4 |
| O. D. Jennings and Co. (1932-1938) | 4 |
| Wico Corp. (1977-1984) | 4 |
| International Concepts (1989) | 3 |
| Pinball Manufacturing Inc., a division of Illinois Pinball Inc. (2007-2007) | 3 |
| Rock-ola Mfg. Corp. (1932-1938) | 3 |
| Mirco Games, Inc. (1975-1978) | 3 |
| Mills Novelty Company (1932-1942) | 3 |
| Universal Industries (1949-1951) | 3 |
| Century Consolidated Industries Company | 2 |
| Grand Products Inc. (1986) | 2 |