Japan Airport Consultants, Inc. (JAC) was established in 1970 as an independent and privately-owned consulting firm specializing in the airport-oriented planning and engineering. The multi-disciplinary professional services JAC can provide are related not only to airport facilities but also to air navigation systems in general and to the regional development as well. JAC holds about 130 permanent staff each highly capable of playing a key role for any challenging project involving various technological disciplines required for its successful implementation.