To collect output counter values of specific data output by respective control object devices and execute various types of processings based on the results in an environment where a management device centralizedly manages the respective management object devices.

This management device is provided with an output counter value acceptance part 801 accepting the output counter values according to the specific data output by the respective management object devices linked to customer information, an output counter value totaling part 802 totalling the output counter values of the output counter value management part 701 according to the specific data and the customer information and updating the output counter value management part 701 based on the totalling results, and a command processing part 803 executing a prescribed command processing based on the output counter values updated by the output counter value totalling part 802.