Cal Water
Utilities · San Jose, California
Products & Services
About Cal Water
Home page for California Water Service's customer web site, including a link to the account-management portal. Cal Water is listed as a company based in San Jose, California, United States, operating in Electric Utilities, employing 1,001-2,000 people, reporting $500M-$1B in annual revenue and classified under Water Supply and Irrigation Systems.
Its primary NAICS classification is 221310 (Water Supply and Irrigation Systems). Cal Water is one of 2,977 Utilities companies listed in California.
Business Contact Information
- Phone
- +1 (408) 3678200
- Website
- www.calwater.com
- facebook.com/calwater
- Address
- 1720 N 1st St, San Jose, California, 95112, United States
Industry & Classification
- Industry
- Utilities
- Sector
- Utilities
- Segment
- Electric Utilities
NAICS Codes
- 22Utilities
- 2213Water, Sewage and Other Systems
- 221310Water Supply and Irrigation Systems
SIC Codes
- 49Electric, Gas, And Sanitary Services
- 494Water Supply
- 4941Water Supply and Irrigation Systems
Company Details
- Employees
- 1,660 (1,001-2,000)
- Annual Revenue
- $928.0M ($500M-$1B)
Cal Water: frequently asked questions
What does Cal Water do?
Home page for California Water Service's customer web site, including a link to the account-management portal.
Where is Cal Water located?
Cal Water is headquartered at 1720 N 1st St, San Jose, California, 95112, United States.
How many employees does Cal Water have?
Cal Water has about 1,660 employees (the 1,001-2,000 range).
What is Cal Water's annual revenue?
Cal Water's annual revenue is estimated at $928.0M (the $500M-$1B range).
What industry is Cal Water in?
Cal Water is in the Utilities / Utilities industry, and its primary NAICS code is 221310 (Water Supply and Irrigation Systems).
How can I contact Cal Water?
Its website is www.calwater.com and its phone number is +1 (408) 3678200.
What companies are similar to Cal Water?
Other large utilities companies in California include Pacific Gas and Electric Co, Southern California Edison, Kyushu Electric Power Co. Inc and Sempra Energy.
Largest utilities companies in California
Largest companies in California
Largest utilities companies
Manufacturing sales in California, 2026
In California, Factur's 2026 study counted 98 manufacturing quotes worth $14.7M and 18 purchase orders over 12 months: 18% of quotes became orders, against 21% nationally. See the California data.
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