| Business | Phone |
| National Assn-Letter Carriers 216 Sw Madison Ave, Corvallis 97333 | (541) 754-6557 |
| Carpenters Construction Local 340 Sw 2nd St, Corvallis 97333 | (541) 754-9149 |
| Coalition Graduate Employees 101 Nw 23rd St, Corvallis 97330 | (541) 757-7141 |
| Seiu Local 503-Oregon Pblc 1425 Nw Monroe Ave # I, Corvallis 97330 | (541) 766-4968 |