| Pinball |  O'Boy | 1939 | Chicago Coin Machine Co. IL, USA |
| Pinball | Ocean Park | 1939 | Chicago Coin Machine Co. IL, USA |
| Pinball | Pace Maker Model 316 | 1939 | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | Pace's Races Gold Award | 1939 | Pace Mfg. Co. Chicago, IL, USA |
| Slot Machine | Pace's Reels | 1939 | Pace Mfg. Co. Chicago, IL, USA |
| Pinball | Pacemaker Model 325 | 1939 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | Pacemaker Model 333 | 1939 | Bally Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Pastime | 1939 | Star Mfg. & Sales Co. Kansas City, MO, USA |
| Trade Stimulator | Penny Pack | 1939 | Daval Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Pick-A-Pack | 1939 | Baker Novelty Co., Inc. Chicago, IL, USA |
| Pinball | Pick-Em | 1939 | Bally Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Pitch-A-Penny | 1939 | Kenyon, Inc. |
| Trade Stimulator | Pleasure Island | 1939 | Kenyon, Inc. |
| Trade Stimulator | Profit Sharing - Pencil Vendor | 1939 | Robbins & Co., D. Brooklyn, NY, USA |
| Coin-op Misc. game | Pull-A-Ball | 1939 | Winner Sales Co. Chicago, IL, USA |
| Trade Stimulator | Punch Ball | 1939 | Noorwood Mfg. Co. Chicago, IL, USA |
| Non-Coin Game | Punch-A-Ball | 1939 | Genco, Inc. Chicago, IL, USA |
| Trade Stimulator | Puritan Baby Vendor | 1939 | Devices Mfg. Sales Co. Chicago, IL, USA |
| Pinball | Pyramid | 1939 | Gottlieb & Co., D. Chicago, IL, USA |
| Slot Machine | Q.T. Bell Handload | 1939 | Mills Novelty Co. Chicago, IL, USA |
| Trade Stimulator | Rainbow Pencil Vender | 1939 | Bally Mfg. Co. Chicago, IL, USA |
| Gun game | Ray-o-Lite | 1939 | Seeburg Corp., J.P. Chicago, IL, USA |
| Trade Stimulator | Reel Poker | 1939 | Western Products, Inc. Chicago, IL, USA |
| Trade Stimulator | Rex | 1939 | Daval Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Ristaurant | 1939 | Ristaucrat Mfg. Co. Kaukauna, WI, USA |
| Slot Machine | Rocket Slug Proof Bell | 1939 | Pace Mfg. Co. Chicago, IL, USA |
| Slot Machine | Rol-A-Top Hand Loaded Twin Jack Pot | 1939 | Watling Mfg. Co. Chicago, IL, USA |
| Coin-op Misc. game | Rola-Ball | 1939 | Rola-Ball Vending Machine Co. St. Louis, MO, USA |
| Trade Stimulator | Roll-A-Way | 1939 | Withey Co., B.A. Chicago, IL, USA |
| Trade Stimulator | Roll-Em | 1939 | Norris Mfg. Co. Columbus, OH, USA |
| Pinball | Roller Derby Model 360 | 1939 | Bally Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Royal Flush | 1939 | Hunts Club, Inc. Chicago, IL, USA |
| Slot Machine | Royal Flush Model 340 | 1939 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | Scoop | 1939 | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | Sheffler Star | 1939 | Mills Novelty Co. Chicago, IL, USA |
| Trade Stimulator | Shimmer Dice | 1939 | Liberty Mfg. Co. Council Bluffs, IA, USA |
| Trade Stimulator | Shoot-A-Pack | 1939 | Fay Automatic Machine Co. San Francisco, CA, USA |
| Trade Stimulator | Shoot-A-Pak | 1939 | ABT Mfg. Co. Adler Bechtol Tratsch Chicago, IL, USA |
| Bowler | Skee Jump | 1939 | Scientific Machine Corp. Brooklyn, NY, USA |
| Coin-op Misc. game | Smash Hitler | 1939 | British American Novelty Co. London, England |
