To provide a management control system capable of avoiding lowering of transmission efficiency even when a plurality of networks wherein at least either the communication system or the communication speed differs are connected.

The management control system 1 is provided with: a wired network group 80; a wireless network 70; and a wireless gateway group 10. The wired network group 80 is a plurality of networks connected to an air-conditioner system group 50. The wireless network 70 is a network whose communication system differs from that of the wired network group 80. The wireless gateway group 10 is a plurality of wireless gateways interconnecting the wired network group 80 to the wireless network 70. Each wireless gateway of the wireless gateway group 10 includes information sharing apparatuses 20a, 20b or the like. The information sharing apparatuses 20a, 20b or the like share information of the air-conditioner system group 50 for a plurality of the networks of the wired network group 80.