SERVICE NETWORK L S Sales Address 3520 South Knoxville Tulsa, Ok 74135 Phone: 918-747-6022 fax: 918-742-5487 Contacts: Leland, Sally, Kip, Bryan email: Sales Territory Oklahoma Back to map GPK Products, Inc. · Toll Free: 800.437.4670 · email: info@gpk-fargo.com 1601 43rd St. NW Fargo, ND 58102 · © 2005 GPK Products, Inc.