| 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 | |
| Holy Ground A Corporation Sole | DOR | SPT-2025-17 | SPT | |
| James Achten | DOR | IT-2025-15 | IT - Income Tax | |
| Jeffrey L. Smith | DOR | IT-2024-54 | IT - Income Tax | |
| Owen H. Orndorff | DOR | IT-2024-52 | IT - Income Tax | |
| Robert L. Roberts | DOR | IT-2024-53 | IT - Income Tax | |
| The Little Store | DOR | IT-2025-6 | IT - Income Tax | |
| Yellowstone Film Ranch | DOR | IT-2024-81 | IT-Income Tax |