| Exhibition Name | Cycle | Date |
|---|---|---|
| OCASwiss Camping and Leisure Fair. OCA is the perfect meeting place for outdoor adventurers. With a wide range of equipment, various activities and an appealing atmosphere, it offers everything you need for an unforgettable camping experience | once a year | 04/09/2025 5 days |
| OFFASt. Gallen Spring Fair. Many attractions, special shows and highlights plus a wide range of products including local gourmet foods | once a year | 04/09/2025 5 days |
| OLMAThe largest Swiss Fair Agriculture and Food event. Olma is also a major popular festival: entertainment, shows, transmission of traditional knowledge... | once a year | 10/09/2025 11 days |
| OLDTIMERMESSE ST.GALLENVintage Cars Expo. Admire vintage cars and boats! | once a year | 10/26/2025 1 day |
| TIER & TECHNIKInternational Exhibition for Livestock, Agricultural Production, Specialty Crops and Agricultural Technologies in St. Gallen | once a year | 02/19/2026 4 days |
