GSI Convention Services GSI Convention Services Search | Advanced Search | New Members | Coupons and Discounts | All Categories Sort alphabetically by... Name City Beacon Hill Events _ 4848 E Valley Springs RdSpokane, WA 99217 (509) 482-3556 Member Since: 2006 Learn More | Visit Site | View on Google Maps LCD Exposition Services _ PO Box 4487Spokane, WA 99220 (509) 325-9656 Member Since: 1970 Learn More | Visit Site | View on Google Maps If your business isn't here, contact us today to get listed!