| 30th | 2027 | Toronto | Canada Catalysis Division — CCD | https://www.nam30.org |
| 31st | 2029 | Philadelphia | Catalysis Club of Philadelphia — CCP (60th Anniversary) | |
| 32nd | 2031 | TBD | Mexican Academy of Catalysis — MAC | |
| 33rd | 2033 | TBD | Southwest Catalysis Society — SWCS | |
| 34th | 2035 | TBD | Pacific Coast Catalysis Society — PCCS | |
| 35th | 2037 | TBD | Michigan Catalysis Society — MCS | |
| 36th | 2039 | TBD | Tri-State Catalysis Society — TSCS (70th Anniversary) | |
| 37th | 2041 | TBD | Pittsburgh-Cleveland Catalysis Society — P‑CCS | |
| 38th | 2043 | TBD | Rocky Mountain Catalysis Society — RMCS | |