| Business | Phone |
| Cambridge Investment Research 6600 Sw 92nd Ave, Portland 97223 | (503) 244-0218 |
| Casio 10220 Sw Greenburg Rd, Portland 97223 | (503) 452-7500 |
| Clarity 310 Nw Brynwood Ln, Portland 97229 | (503) 292-8550 |
| Aurora Research Po Box 10022, Portland 97296 | (503) 777-4444 |
| Tmi Research 12000 Se 82nd Ave, Portland 97266 | (503) 786-6983 |
| Sharon Baggett 6200 Ne 21st Ave, Portland 97211 | (503) 287-3618 |
| Summit Research Network 1849 Nw Kearney St, Portland 97209 | (503) 274-2480 |
| Summit Research Network Mgmt 2701 Nw Vaughn St # 350, Portland 97210 | (503) 452-6952 |
| Sustainable Ecosystems Inst 0605 Sw Taylors Ferry Rd, Portland 97219 | (503) 246-5008 |
| Systems Research Group 516 Se Morrison St, Portland 97214 | (503) 232-9628 |
| Ronan & Assoc Inc 4445 Sw Barbur Blvd, Portland 97239 | (503) 243-2788 |
| Research & Education 1650 Nw Naito Pkwy, Portland 97209 | (503) 226-0152 |
| Rightwatch Po Box 4321, Portland 97208 | (503) 452-3821 |
| Project Alliance 2738 Ne Broadway St, Portland 97232 | (503) 282-3662 |
| Pollard Research Group 840 Sw Broadway Dr, Portland 97201 | (503) 246-1204 |
| Edaphos Research 4723 Ne 57th Ave, Portland 97218 | (503) 287-9108 |
| Oregon Research Institute 812 Sw Washington St # 500, Portland 97205 | (503) 243-1065 |
| Northwest Women's Research 2222 Nw Lovejoy St, Portland 97210 | (503) 248-4453 |
| Oda Research Intl 1300 Sw 5th Ave # 18, Portland 97201 | (503) 471-2954 |
| National Council For Air 0605 Sw Taylors Ferry Rd, Portland 97219 | (503) 246-7787 |
| Momentum Research 3310 Se Oak St, Portland 97214 | (503) 232-6224 |
| Mccullough Research 6123 Se Reed College Pl, Portland 97202 | (503) 771-5090 |
| J D Assoc Po Box 1022, Portland 97207 | (503) 293-1215 |
| Jacob L Driesen Phd 1958 Nw Irving St, Portland 97209 | (503) 228-6027 |
| Oregon Medical Laser Center 9205 Sw Barnes Rd, Portland 97225 | (503) 216-2109 |
| Pacific Research Evaluation 10300 Sw Greenburg Rd # 485, Portland 97223 | (503) 595-3970 |