| Business | Phone |
| Vokler Brothers 319 Main St, Tarkio 64491 | (660) 736-5321 |
| Tarkio Pelleting Corp Tarkio 64491 | (660) 736-4338 |
| Southard Co 212 Colbert Hall, Tarkio 64491 | (660) 736-3434 |
| Schleisman Graeve & Buschelman 611 S 10th St, Tarkio 64491 | (660) 736-3811 |
| David Fuelling Shop 100 S 4th St, Tarkio 64491 | (660) 736-4341 |
| Re Enterprises 406 Walnut St, Tarkio 64491 | (660) 736-5947 |
| Fourteen Pines Corp Rr, Tarkio 64491 | (660) 736-4513 |
| Micro Express Rr 1, Tarkio 64491 | (660) 686-3534 |
| Kmno Inc College Football Field, Tarkio 64491 | (660) 736-4574 |
| Ktrz Office Hwy 136 W Tarkio, Tarkio 64491 | (660) 736-4127 |