| Business | Phone |
| Campbell Media Research 5413 Meridian Ave N A, Seattle 98103 | (206) 524-8257 |
| Cascade Strategies 2541 10th Ave W, Seattle 98119 | (206) 286-6414 |
| Comprehensive Research Group 555 Northgate Mall, Seattle 98125 | (206) 362-7087 |
| Consumer Opinon Svc Inc 12825 1st Ave S, Seattle 98168 | (206) 241-6050 |
| Corporate Insights 1916 Pike Pl 1187, Seattle 98101 | (206) 382-6235 |
| Customer Research Inc 2108 Sw 152nd St, Seattle 98166 | (206) 242-9969 |
| Dat Stat Inc 1000 N Northlake Way, Seattle 98103 | (206) 526-9985 |
| E-Valuations Research 120 Lakeside Ave # 310, Seattle 98122 | (206) 382-3387 |
| Elway Research Inc 7107 Greenwood Ave N, Seattle 98103 | (206) 264-1500 |
| Elway Research 2121 5th Ave, Seattle 98121 | (206) 728-1620 |
| Endresen Research 1402 32nd Ave S, Seattle 98144 | (206) 285-1771 |
| Entertainment Works Inc 911 Western Ave # 555, Seattle 98104 | (206) 621-1197 |
| Epiphany Research 1200 5th Ave 2000, Seattle 98101 | (206) 374-9241 |
| Evans/Mc Donough Co 1633 Bellevue Ave A, Seattle 98122 | (206) 652-2454 |
| Hemispheres Llc 1751 Nw 57th St, Seattle 98107 | (206) 706-7618 |
| Gallup Organization 1011 Western Ave, Seattle 98104 | (206) 343-0566 |
| Gene Bendow Research 7542 16th Ave Nw, Seattle 98117 | (206) 297-8000 |
| Gilmore Research Group 2324 Eastlake Ave E 300, Seattle 98102 | (206) 726-5555 |
| Gilmore Temporary Personnel 2324 Eastlake Ave E, Seattle 98102 | (206) 726-5570 |
| Information Resources Inc 2820 Thorndyke Ave W, Seattle 98199 | (206) 285-7822 |
| Information Resources Inc 444 Ne Ravenna Blvd # 309, Seattle 98115 | (206) 528-1928 |
| Isa 9020 Sand Point Way Ne, Seattle 98115 | (206) 524-7157 |