Aqua Conserve, Inc.
Arizona Municipal Water Users Association
California Landscape Contractors Association
California Landscape Contractors Association, San Francisco Bay Area Chapter
Calleguas Municipal Water District
Cascade Water Alliance
City of Bend Public Works
City of Corvallis
City of Portland
City of Santa Monica
Dave's Landscape Management Co.
Eastern Municipal Water District
ET Water Systems
Eugene Water & Electric Board
Ewing Irrigation Products
Georgia Irrigation Association
Hillsborough County, Florida
Homestead Lawn Sprinkler Co., Inc.
HydroPoint Data Systems, Inc.
Irrometer Company, Inc.
Kern Turf Supply, Inc.
Las Vegas Valley Water District
Las Virgenes Municipal Water District
Los Angeles Department of Water & Power
Louisiana Irrigation Association
Maxijet, Inc./Mister Landscaper, Inc.
Metropolitan Water District of Southern California
Municipal Water District of Orange County
Oregon Landscape Contractors Association
Partnership for Water Conservation
Public Works Watershed LLC
Rain Bird Corporation-Commercial Division
Reid Irrigation, LLC
Sammamish Plateau Water & Sewer District
San Antonio Water System
San Diego County Water Authority
Saving Water Partnership (Seattle & area water utilities)
Sonoma County Water Agency
South Carolina Nursery & Landscape Association
Southern Nevada Water Authority
Superior Controls Company, Inc.
The Toro Company
United Pipe & Supply Co., Inc.
Western Municipal Water District (California)