Alliance for Water Efficiency

American Water Works Company

BC Hydro

Boston (MA) Water & Sewer Commission

Carolina Water Services

Chicago (IL) Dept. of Water Mgt.

Citizens Utilities

City of Arlington (TX)

City of Atlanta (GA)

City of Charlottesville (VA)

City of Grand Prairie (TX)

City of Henderson (NV)

City of Indianapolis Dept. of Water

City of Independence (MO)

City of Milwaukee (WI)

City of Naperville

City of Norfolk (VA)

City of Redlands (CA)

City of Regina (SK)

City of Rockford (IL)

City of Roseville (CA)

City of San Diego (CA) Water Dept.

City of Santa Cruz (VA)

City of Santa Rosa (CA)

City of Toronto (ON)

City of White Plains (NY)

Cleveland (OH) Water Dept.

County of Henrico (VA)

County of Kauai (HI)

East Bay (CA) Municipal Utility District

Greater Cincinnati (OH) Water Works

Halifax (NS) Regional Water Authority

Honolulu (HI) Water Supply Board

Island Water Association (FL)

Kansas City (MO) Water Services Department

Mammoth Community Water District

Metropolitan Distr. Comm. (CT)

Orange Water & Sewer Authority (NC)

Passaic Valley (NJ) Water Comm.

Philadelphia Water Department

Portland (ME) Water District

Ross County (OH) Water Company

South Central Connecticut Regional Water Authority

Suffolk County (NY) Water Authority

Township of Needham (MA)

Truckee Meadows (NV) Water Authority

Tualatin Valley Water Authority

Village of Mount Prospect (IL)

Washington Suburban Sanitary Commission

Water One (Johnson County, KS)