| Business | Phone |
| Dental Hygiene Assoc 10310 Ne Glisan St, Portland 97220 | (503) 292-8944 |
| Dougherty Dental 1809 Nw Davis St, Portland 97209 | (503) 221-1973 |
| Oregon Dental Hygenist Assn 1300 Sw 5th Ave # 3400, Portland 97201 | (503) 223-3326 |
| Carol Jungwirth 1020 Ne 2nd Ave # 340, Portland 97232 | (503) 234-7870 |