| Business | Phone |
| Sprague Hospitality 1500 4th Ave 200, Seattle 98101 | (206) 674-3021 |
| Columbia Hospitality 2223 Alaskan Way 200, Seattle 98121 | (206) 239-1800 |
| Parker Pacific Co 1402 3rd Ave 1325, Seattle 98101 | (206) 624-1666 |
| Seattle Hospitality Svc 1500 4th Ave 200, Seattle 98101 | (206) 623-2090 |
| Wa State Convention & Trade 800 Convention Pl, Seattle 98101 | (206) 694-5000 |
| Northwest Planning & Mgmt Inc Po Box 20736, Seattle 98102 | (206) 323-1530 |
| Savoir Vivre 800 5th Ave 274, Seattle 98104 | (206) 783-5405 |
| Sea Fare Expositions Inc 1111 Nw 45th St, Seattle 98107 | (206) 789-5741 |
| Westlake Promotion Inc/Michael 6020 Seaview Ave Nw, Seattle 98107 | (206) 783-5957 |
| Seattle Gift Ctr 6100 4th Ave S, Seattle 98108 | (206) 767-6800 |
| Landmark Communications Group 1200 Westlake Ave N, Seattle 98109 | (206) 298-3633 |
| Travel Show 1037 Ne 65th St 718, Seattle 98115 | (206) 441-8828 |
| Seattle Trade & Technologies 2601 Elliott Ave 4159, Seattle 98121 | (206) 441-3000 |
| Skillshow Inc 1201 1st Ave S, Seattle 98134 | (206) 652-1288 |
| Shoreline Center Conference 18560 1st Ave Ne, Seattle 98155 | (206) 361-4368 |
| Triumph Events Network Inc 12614 Interurban Ave S, Seattle 98168 | (206) 431-1010 |