Group management apparatus and group management system

A first management apparatus that is connected to a first equipment device group including a plurality of first equipment devices centrally manages the first equipment devices. A second management apparatus connected to a second equipment device group including a plurality of second equipment devices separate from the plurality of first equipment devices centrally manages the second equipment devices. A group management apparatus connected to the first and second management apparatus centrally manages the first and second equipment device groups. The first and second management apparatus include first and second management programs to centrally manage the first and second equipment devices. The group management apparatus includes a group management program for centrally managing the first and second equipment device groups.