SJW Corp. operates as a holding company which, through its subsidiaries engages in water supply business. Its subsidiaries include: San Jose Water Company, SJWTX Inc., SJW Land Company and Texas Water Alliance Limited. The San Jose Water Company is a water utility operation which engages in commercial building rentals. The SJWTX, Inc. which is doing business as Canyon Lake Water Service Company, a regulated water utility located in Canyon Lake, Texas. Texas Water Alliance Ltd. is a non-regulated water utility operation which is undertaking activities that are necessary to develop a water supply project in Texas. The company also operates real estate services segment which is engaged in property management and investment activity. SJW was founded on February 8, 1985 and is headquartered in San Jose, CA.