| Business | Phone |
| Cannon Technologies 6565 Joseph St Se, Salem 97301 | (503) 363-4812 |
| Creative Products & Research 2320 Maple Ave Ne, Salem 97303 | (503) 362-3784 |
| Human Services Research Inst 850 Lancaster Dr Se, Salem 97301 | (503) 362-5682 |
| Madderom Precision Works Inc 1912 5th St Ne, Salem 97303 | (503) 371-9829 |
| National Opinion Research Center 450 36th Ave Ne, Salem 97301 | (503) 361-8574 |