| Business | Phone |
| Lamar City Dog Pound 220 Park Dr, Lamar 64759 | (417) 682-4478 |
| Lamar City Electric Plant 600 Parry St, Lamar 64759 | (417) 682-4474 |
| Lamar City Fitness Center Lamar 64759 | (417) 682-4483 |
| Lamar City Lake 214 Se 15th Rd # A, Lamar 64759 | (417) 682-4476 |
| Lamar City Water Distribution 1104 Broadway St, Lamar 64759 | (417) 682-4473 |
| Lamar City Water Plant 2003 Hagny St, Lamar 64759 | (417) 682-4480 |