EXHIBIT 23.4 ACCOUNTANTS' CONSENT The Shareholders and Board of Directors OCI Holdings Corp. and Subsidiaries: We consent to the use of our report dated June 4, 1996, related to the consolidated financial statements of Mass Communications Corp and Subsidiaries included herein, and to the references to our firm under the headings "Selected Historical Consolidated Financial and Other Information" and "Experts" in this Registration Statement (No. 333- ) and related Prospectus. KPMG Peat Marwick LLP East Lansing, Michigan June 2, 1997