(Providing service through Bella Vista Water Company, Inc., Black Mountain Sewer Corporation, Entrada Del Oro Sewer Company, Inc., Gold Canyon Sewer Company, Rio Rico Utilities, Inc.  and Litchfield Park Service Company, Northern Sunrise Water Company, Inc., Southern Sunrise  Sunrise Water Company, Inc.)

(parent company of Santa Cruz Water Company, Palo Verde Utilities Company, Sabrosa Water Company and Cave Creek Water Company)

(Formerly Arizona-American Water Company - Serving a number of Arizona communities including Anthem, Bullhead City, Fountain Hills, Lake Havasu City, Paradise Valley, Sun City, Sun City West, Surprise, Tubac and Youngtown)

(Serving a number of Arizona communities including Ajo, Apache Junction, Bisbee, Buckeye/White Tanks, Casa Grande, Coolidge, Lakeside, Miami, Munds Park, Oracle, Overgaard, Pinewood, Rimrock Sedona, Stanfield, San Manuel, Sierra Vista, Superior and Winkelman)

(parent company of Liberty Utilities)