| Business | Phone |
| County Shop District 1 County Rd # 106, Madill 73446 | (580) 795-2793 |
| County Shop District 2 Highway 99 E # 10, Madill 73446 | (580) 795-2458 |
| Marshall County Commissioners 1 County Court House St # 106, Madill 73446 | (580) 795-3165 |
| Marshall County Community Svc Madill 73446 | (580) 795-7078 |
| Marshall County Election Board Court House, Madill 73446 | (580) 795-5460 |
| Marshall County Extension Center 102 N 4th Ave, Madill 73446 | (580) 795-3563 |
| Marshall County Inca Svc 401 E Main St, Madill 73446 | (580) 795-2372 |
| Marshall County Superintendent 1 County Court House St # 106, Madill 73446 | (580) 795-2104 |