| Business | Phone |
| Decatur County Assessor 150 Courthouse Sq # 105, Greensburg 47240 | (812) 663-4868 |
| Decatur County Auditor 150 Courthouse Sq # 133, Greensburg 47240 | (812) 663-2570 |
| Decatur County Treasurer 150 Courthouse Sq # 138, Greensburg 47240 | (812) 663-4190 |