1. Gantzer Water, 163 Rainbow Dr., #6331, Livingston, TX 77399;
2. Robertson-Bryan, 9888 Kent St., Elk Grove, CA 95624;
3. Confederated Tribes of the Colville Reservation Fish and Wildlife Department, 25 Mission Rd., Omak, WA 98841;
4. Western Virginia Water Authority, 2012 S. Jefferson St., Roanoke, VA 24014