The present invention relates to a control apparatus, a control method, and a control system. Provided is a control apparatus (100), comprising: a request accepting unit (14); a response data generating unit (16); and a request responding unit (15), wherein, upon the request accepting unit accepting a job listing obtaining request from a processing apparatus (200), the response data generating unit obtains bibliographic information corresponding to a job of a user from a bibliographic information holding unit which holds multiple bibliographic information sets in order to unilaterally manage the multiple bibliographic information sets corresponding to all jobs including the job held by the control apparatus and jobs held by other control apparatuses, and, based on the obtained bibliographic information, generates job listing response data which include job accumulating location specifying information for specifying job accumulating locations, and wherein the request responding unit transmits the generated job listing response data to the processing apparatus and responds to the job listing obtaining request.