1) Alaska Airlines

2) Altria Client Services LLC

3) Avista Corporation

4) Cerner Corporation

5) CHELAN COUNTY PUBLIC UTILITY DISTRICT

6) City of Auburn

7) City of Bellevue

8) GRANT COUNTY PUBLIC UTILITY DISTRICT

9) King County

10) Puget Sound Energy

11) Seattle Arena Company

12) T-Mobile

13) The Seattle Times

14) TRIWEST HEALTHCARE ALLIANCE

15) University of Washington

16) Vigor Industrial, LLC

17) Vulcan

18) Washington State Convention Center

19) YAKIMA RESERVATION IRRIGATION DISTRICT BOARD