SJW Corp. operates as a holding company, which through its subsidiaries engages in water supply business. Its subsidiaries include: San Jose Water Co., SJWTX Inc., SJW Land Co. and Texas Water Alliance Ltd. The San Jose Water Co. is a water utility operation which engages in commercial building rentals. The SJWTX, Inc. which is doing business as Canyon Lake Water Service Co., 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.