Wherify Wireless, Inc. develops wireless location products and services for family safety and business communications in the United States. Its portfolio of intellectual property includes its proprietary integration of the U.S Government's Global Positioning System and wireless communication technologies; its patented back-end location service; and the Wherifone GPS locator phone, which provides real-time location information and lets families with pre-teens, seniors, or those with special medical needs, stay connected, and in contact with each other. The company was founded in 1998 and is based in San Mateo, California.