Atascadero Mutual Water Company
Big Pine Tract
Columbia Canal Company
East Pasadena Water Company
Green Valley Mutual Water Company
Kern Water Bank Authority
Kings River Water Assn.
Lone Tree Mutual Water Company
Mil Potrero Mutual Water Company
Natomas Mutual Water Company
Oildale Mutual Water Company
Orange Vale Water Company
Regional Water Authority
Sacramento Groundwater Authority
San Joaquin River Exchange Contractors Water Authority
Semitropic-Rosamond Water Bank Authority
South Mesa Water Company
Sunny Slope Water Company
Tudor Mutual Water Company
Valencia Heights Water Company