| Business | Phone |
| Big Horn Cnty Courthouse Mntnc 420 W C St, Basin 82410 | (307) 568-2358 |
| Big Horn County Agricultural 420 W C St, Basin 82410 | (307) 568-2278 |
| Big Horn County Commissioners 420 W C St, Basin 82410 | (307) 568-2612 |
| Big Horn County Fairboard Ofc 315 E Holdrege Ave, Basin 82410 | (307) 568-2968 |
| Big Horn County Land Planner 420 W C St, Basin 82410 | (307) 568-2424 |
| Big Horn County Road & Bridge 412 Murphy St, Basin 82410 | (307) 568-2161 |
| South Big Horn County Landfill 2570 Lane 39, Basin 82410 | (307) 568-2625 |