| Bowler |  United's Gateway Arch | 1972 | Williams Electronics, Inc. Chicago, IL, USA |
| Bowler | United's Windy City | 1972 | Williams Electronics, Inc. Chicago, IL, USA |
| Gun game | Ambush Model 396 | 1973 | Williams Electronics, Inc. Chicago, IL, USA |
| Arcade Video game | Paddle-Ball | 1973 | Williams Electronics, Inc. Chicago, IL, USA |
| Arcade Video game | Pro Hockey | 1973 | Williams Electronics, Inc. Chicago, IL, USA |
| Arcade Video game | Pro Tennis | 1973 | Williams Electronics, Inc. Chicago, IL, USA |
| Bowler | United's Cape Cod | 1973 | Williams Electronics, Inc. Chicago, IL, USA |
| Bowler | United's Golden Triangle | 1973 | Williams Electronics, Inc. Chicago, IL, USA |
| Bowler | United's Twin Cities | 1973 | Williams Electronics, Inc. Chicago, IL, USA |
| Bat game | Upper Deck Model 423 | 1973 | Williams Electronics, Inc. Chicago, IL, USA |
| Slot Machine | Seeburg Stars & Bars 5-Coin multiplier | 1974 | Williams Electronics, Inc. Chicago, IL, USA |
| Bowler | United's Civic Center | 1974 | Williams Electronics, Inc. Chicago, IL, USA |
| Bowler | United's Granite | 1974 | Williams Electronics, Inc. Chicago, IL, USA |
| Bowler | United's Pinnacle | 1974 | Williams Electronics, Inc. Chicago, IL, USA |
| Bowler | United's Royal Hawaiian | 1974 | Williams Electronics, Inc. Chicago, IL, USA |
| Bowler | United's Unique | 1974 | Williams Electronics, Inc. Chicago, IL, USA |
| Bowler | United's Marquis | 1975 | Williams Electronics, Inc. Chicago, IL, USA |
| Bowler | United's Supreme | 1975 | Williams Electronics, Inc. Chicago, IL, USA |
| Bowler | United's Cavalier | 1976 | Williams Electronics, Inc. Chicago, IL, USA |
| Bowler | United's Seville | 1976 | Williams Electronics, Inc. Chicago, IL, USA |
| Bowler | United's Star Sapphire | 1976 | Williams Electronics, Inc. Chicago, IL, USA |
| Arcade Video game |  Road Champion | 1977 | Williams Electronics, Inc. Chicago, IL, USA |
| Bowler | United's Cherokee | 1977 | Williams Electronics, Inc. Chicago, IL, USA |
| Bowler | United's Nugget | 1977 | Williams Electronics, Inc. Chicago, IL, USA |
| Bowler | United's Thunderbird | 1977 | Williams Electronics, Inc. Chicago, IL, USA |
| Kiddie Ride | Musical See-Saw | 1978 | Williams Electronics, Inc. Chicago, IL, USA |
| Bowler | United's Casino | 1978 | Williams Electronics, Inc. Chicago, IL, USA |
| Pinball | Space Circus | 1979 | Williams Electronics, Inc. Chicago, IL, USA |
| Bowler | United's King Tut Model 1912 | 1979 | Williams Electronics, Inc. Chicago, IL, USA |
| Pinball | Algar | 1980 | Williams Electronics, Inc. Chicago, IL, USA |
| Arcade Video game | Defender | 1980 | Williams Electronics, Inc. Chicago, IL, USA |
| Pinball | Barracora | 1981 | Williams Electronics, Inc. Chicago, IL, USA |
| Pinball | Hyperball | 1981 | Williams Electronics, Inc. Chicago, IL, USA |
| Pinball | Jungle Lord | 1981 | Williams Electronics, Inc. Chicago, IL, USA |
| Arcade Video game | Make Trax | 1981 | Williams Electronics, Inc. Chicago, IL, USA |
| Pinball | Pharaoh Model 504 | 1981 | Williams Electronics, Inc. Chicago, IL, USA |
| Pinball | Solar Fire | 1981 | Williams Electronics, Inc. Chicago, IL, USA |
| Arcade Video game | Stargate | 1981 | Williams Electronics, Inc. Chicago, IL, USA |
| Arcade Video game | Bubbles | 1982 | Williams Electronics, Inc. Chicago, IL, USA |
| Pinball | Cosmic Gunfight | 1982 | Williams Electronics, Inc. Chicago, IL, USA |
