| Business | Phone |
| Coastal International Convntn Seattle 98101 | (206) 382-1434 |
| Destination Seattle 11020 Palatine Ave N, Seattle 98133 | (206) 860-7498 |
| Exhibit Transfer Co Po Box 19277, Seattle 98109 | (206) 282-4245 |
| Group Planning Specialists 8046 Forest Dr Ne, Seattle 98115 | (206) 443-0500 |
| Guest Referral Systems Po Box 70313, Seattle 98127 | (206) 789-6880 |