| Business | Phone |
| Omak Ambulance Omak 98841 | (509) 000-1111 |
| Omak City Sewage Treatment 713 E Dewberry Ave, Omak 98841 | (509) 826-9563 |
| Omak City Shops 230 Columbia St, Omak 98841 | (509) 826-2230 |
| Omak Sewage Treatment Plant 635 S Fir St, Omak 98841 | (509) 826-2383 |