The GAO Group is headquartered in NYC, USA and Toronto, Canada, and its member companies are incorporated in both USA & Canad ... a, and its member companies are leading suppliers of advanced electronics and network products for engineers in the world. GAO’s products include advanced engineering products such as fiber optical products, telecommunications test and measurement instruments, portable computing devices such as PDA, EDA, tablets, CATV meters, environmental test and measurement equipment as well as RFID readers, tags, antennas and systems, with customers over 40 countries. read more