GSI Surveying and Mapping Services GSI Surveying and Mapping Services Search | Advanced Search | New Members | Coupons and Discounts | All Categories Sort alphabetically by... Name City Parametrix, Inc. _ 835 N Post Suite 201Spokane, WA 99201 (509) 328-3371 Member Since: 1985 Learn More | Visit Site Stantec Consulting Inc. _ 304 W Pacific Ave Suite 360Spokane, WA 99201 (509) 328-5139 Member Since: 2013 Learn More | Visit Site If your business isn't here, contact us today to get listed!