JOINT FILING AGREEMENT

                                    EXHIBIT G

                             JOINT FILING AGREEMENT

         In accordance with Rule 13d-1(k) promulgated under the Securities
Exchange Act of 1934, as amended, the persons named below agree to the joint
filing on behalf of each of them a Statement on Schedule 13D (including
amendments thereto) with regard to the common stock of Corrpro Companies, Inc.,
an Ohio corporation, and further agree that this Joint Filing Agreement be
included as an Exhibit to such joint filings. In evidence thereof, the
undersigned, being duly authorized, hereby execute this Joint Filing Agreement
as of April 8, 2004.

                                      CORRPRO INVESTMENTS, LLC

                                      By: ▇▇▇▇▇▇▇ Partners III, L.P.,
                                          its authorized member

                                      By: ▇▇▇▇▇▇▇ Management Company III, L.P.,
                                          its general partner

                                      By: ▇▇▇▇▇▇▇ Management Limited III, LLC,
                                          its general partner

                                      By: /s/ ▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇
                                          --------------------------------------
                                          ▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇
                                          Principal

                                      ▇▇▇▇▇▇▇ PARTNERS III, L.P.

                                      By: ▇▇▇▇▇▇▇ Management Company III, L.P.,
                                          its general partner

                                      By: ▇▇▇▇▇▇▇ Management Limited III, LLC,
                                          its general partner

                                      By: /s/ ▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇
                                          --------------------------------------
                                          ▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇
                                          Principal

                                      ▇▇▇▇▇▇▇ MANAGEMENT COMPANY III, L.P.

                                      By: ▇▇▇▇▇▇▇ Management Limited III, LLC,
                                          its general partner

                                      By: /s/ ▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇
                                          --------------------------------------
                                          ▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇
                                          Principal



                                      ▇▇▇▇▇▇▇ MANAGEMENT LIMITED III, LLC

                                      By: /s/ ▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇
                                          --------------------------------------
                                          ▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇
                                          Principal

                                      ▇▇▇▇▇▇▇ AFFILIATES III, L.P.

                                      By: ▇▇▇▇▇▇▇ Management Limited III, LLC,
                                          its general partner

                                      By: /s/ ▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇
                                          --------------------------------------
                                          ▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇
                                          Principal

                                      /s/ ▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇
                                      ------------------------------------------
                                      ▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇

                                      /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇
                                      ------------------------------------------
                                      ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇

                                      /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇
                                      ------------------------------------------
                                      ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇

                                      /s/ ▇▇▇▇▇ ▇. ▇▇▇▇
                                      ------------------------------------------
                                      ▇▇▇▇▇ ▇. ▇▇▇▇