1 EXHIBIT (21) The following table sets forth the Registrant's subsidiaries and the jurisdiction of incorporation of each. Each subsidiary is 100% owned by the Registrant. ANSCO & ASSOCIATES, INC. A Florida corporation CABLE COM INC. A Delaware corporation COMMUNICATIONS CONSTRUCTION GROUP, INC. A Pennsylvania corporation FIBER CABLE, INC. A Delaware corporation GLOBE COMMUNICATIONS, INC. A North Carolina corporation INSTALLATION TECHNICIANS, INC. A Missouri corporation IVY H. SMITH COMPANY A Florida corporation KOHLER CONSTRUCTION COMPANY, INC. A Florida corporation STAR CONSTRUCTION, INC. A Tennessee corporation S.T.S., INC. A Florida corporation TESINC, INC. An Arizona corporation