| Appellant | Respondent | Case No. | Type | County |
| Billings Generation, INC | DOR | IT-2024-41 | IT - Income Tax | |
| DOR | Phillips 66 Company | SPT-2025-10 | SPT | |
| Frank & Monica McCourt | DOR | IT-2025-6 | IT - Income Tax | |
| Jeffrey L. Smith | DOR | IT-2024-54 | IT - Income Tax | |
| Kristin Evans | DOR | IT-2025-24 | IT - Income Tax | |
| Memp Properties LLC | DOR | PT-2025-18 | PT - Property Tax | Butte-Silver Bow |
| Owen H. Orndorff | DOR | IT-2024-52 | IT - Income Tax | |
| Robert L. Roberts | DOR | IT-2024-53 | IT - Income Tax | |
| Robert J. and Patricia A. Thul | DOR | PT-2025-19 | PT - Property Tax | Cascade |
| Robert J. and Patricia A. Thul | DOR | PT-2025-20 | PT - Property Tax | Cascade |
| Thomas A. Jr. and Carol L. Angland | DOR | PT-2025-21 | PT - Property Tax | Meagher |
| Thomas A. Jr. and Carol L. Angland | DOR | PT-2025-22 | PT - Property Tax | Cascade |
| Timothy M. Boland Living Trust | DOR | PT-2025-23 | PT - Property | Cascade |
| Yellowstone Film Ranch | DOR | IT-2024-81 | IT-Income Tax |