EX-21.0 3 cwt-20211231xex21.htm EX-21.0
Exhibit 21
Subsidiaries of the Registrant

Subsidiary Name | State of Incorporation |  | Business Name
California Water Service Company | California |  | California Water Service Company
CWS Utility Services | California |  | CWS Utility Services
New Mexico Water Service Company | New Mexico |  | New Mexico Water Service Company
Washington Water Service Company | Washington |  | Washington Water Service Company
Hawaii Water Service Company, Inc. | Hawaii |  | Hawaii Water Service Company
HWS Utility Services LLC | Hawaii |  | HWS Utility Services
TWSC, Inc. | Texas |  | TWSC, Inc.