1) ASSETGUARD

2) CENTRAL PLATTE NATURAL RESOURCES DISTRICT

3) CITY OF NEWPORT

4) COLUMBIA BASIN PROJECT (FKA) WASHINGTON STATE WATER RESOURCES ASSOCIATION

5) DESERT WATER AGENCY

6) DIAMOND PLASTIC CORPORATION

7) ELEPHANT BUTTE IRRIGATION DISTRICT

8) FREEPORT-MCMORAN INC.

9) GERING-FORT LARAMIE IRRIGATION DISTRICT

10) GOSHEN IRRIGATION DISTRICT

11) HOBAS PIPE, USA, INC.

12) KANSAS AQUEDUCT COALITION, INC.

13) KENNEWICK IRRIGATION DISTRICT

14) LOUP BASIN IRRIGATION DISTRICT

15) LOWER LOUP NATURAL RESOURCES DISTRICT

16) LOWER PLATTE NRDS

17) MIDDLE RIO GRANDE CONSERVANCY DISTRICT

18) NATIONAL WATER RESOURCES ASSOCIATION

19) REPUBLICAN RIVER BASIN COALITION

20) RUBICON WATER

21) SENTINEL FERTIGATION

22) TWIN LOUPS RECLAMATION DISTRICT

23) WATER PROFESSIONALS INTERNATIONAL