| Business | Phone |
| B J Interprizes 3rd & Portageamp;, Mattawa 99349 | (509) 932-4127 |
| Clay Hills Inc 103 S Columbia St, Mattawa 99349 | (509) 932-4531 |
| Northwest Justice Project 20140 Road 24 Sw, Mattawa 99349 | (509) 932-4822 |
| Port Of Mattawa 20140 Road 24 Sw, Mattawa 99349 | (509) 932-4928 |
| Jpj Family Enterprises 17773 Road 23 Sw, Mattawa 99349 | (509) 932-5933 |
| Larry Anderson Shop 11901 Road 25 Sw, Mattawa 99349 | (509) 932-4944 |