GSI Plumbing and Piping Services GSI Plumbing and Piping Services Search | Advanced Search | New Members | Coupons and Discounts | All Categories Sort alphabetically by... Name City DIVCO Inc _ PO Box 3245Spokane, WA 99220 (509) 534-7225 Member Since: 2016 Learn More | Visit Site McClintock & Turk, Inc. _ PO Box 3243Spokane, WA 99220 (509) 535-7641 Member Since: 1964 Learn More | Visit Site If your business isn't here, contact us today to get listed!