| Slot Machine |  Royal Draw Model 370 | 1940 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | Santa Anita Model 385 | 1940 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | Sara-Suzy | 1940 | Stoner Mfg. Corp. Aurora, IL, USA |
| Pinball | Score Card | 1940 | Gottlieb & Co., D. Chicago, IL, USA |
| Pinball | Score-A-Line | 1940 | Gottlieb & Co., D. Chicago, IL, USA |
| Trade Stimulator | Seven Grand | 1940 | Withey Mfg. Co. Chicago, IL, USA |
| Slot Machine | Silver Moon Chief | 1940 | Jennings & Co., O.D. Chicago, IL, USA |
| Bowler | Skee-Ball-Ette | 1940 | Gottlieb & Co., D. Chicago, IL, USA |
| Bowler | Ski-Ball | 1940 | Evans & Co., H.C. Chicago, IL, USA |
| Trade Stimulator | Skill Test | 1940 | Bennett & Co. IL, USA |
| Gun game | Sky Battle | 1940 | Bally Mfg. Co. Chicago, IL, USA |
| Gun game | Sky Fighter | 1940 | International Mutoscope Reel Co., Inc. New York, NY, USA |
| Trade Stimulator | Sparks Champion | 1940 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Sparks Champion Discreet | 1940 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Sparks Champion Sports | 1940 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Sparks Champion Sports Discreet | 1940 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Spin-O | 1940 | Chase Vending Machine Co. MI, USA |
| Trade Stimulator | Spin-O | 1940 | Spin-O Sales Co. Minneapolis, MN, USA |
| Pinball | Spinning Reels | 1940 | Mills Novelty Co. Chicago, IL, USA |
| Coin-op Misc. game | Spitfire | 1940 | Scientific Machine Corp. Brooklyn, NY, USA |
| Pinball | Sport Event | 1940 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | Sport King Model 367 | 1940 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | Sport Special Model 371 | 1940 | Bally Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Star American Eagle | 1940 | Daval Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Star American Eagle Gum Vendor | 1940 | Daval Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Steve Brodie | 1940 | Brodie Co., M. CA, USA |
| Slot Machine | Sugar King | 1940 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Pinball | Summer Time | 1940 | Gottlieb & Co., D. Chicago, IL, USA |
| Slot Machine | Summertime | 1940 | Keeney & Sons, Inc. Chicago, IL, USA |
| Gun game | Super Ray-o-Lite Rifle Range | 1940 | Seeburg Corp., J.P. Chicago, IL, USA |
| Trade Stimulator | Sweet Music | 1940 | Jennings & Co., O.D. Chicago, IL, USA |
| Bowler | Ten Pins | 1940 | Rock-Ola Mfg. Corp. Chicago, IL, USA |
| Bat game | Texas Leaguer | 1940 | Keeney & Co., J.H. Chicago, IL, USA |
| Pinball | The Champ | 1940 | Gottlieb & Co., D. Chicago, IL, USA |
| Trade Stimulator | The Dough Boy! Cigarette-Reel model | 1940 | Bennett & Co. IL, USA |
| Trade Stimulator | The Dough Boy! Number-Reel model | 1940 | Bennett & Co. IL, USA |
| Strength Tester | The Heart-O-Meter | 1940 | Unknown USA |
| Pinball | Three Cherries | 1940 | Buckley Mfg. Co. Chicago, IL, USA |
| Pinball | Three Score | 1940 | Gottlieb & Co., D. Chicago, IL, USA |
| Trade Stimulator | Tokette | 1940 | Bennett & Co. IL, USA |
