EXHIBIT 21. SUBSIDIARIES The following is a list of our active subsidiaries as of March 31, 1999, indicating the jurisdiction of incorporation of each and the names under which such subsidiaries conduct business.
NAME OF BUSINESS (% ownership) JURISDICTION OF INCORPORATION ---------------- ----------------------------- Controlled Distribution Systems Inc. (100%) Delaware
Not included above are other subsidiaries which, if considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary, as such term is defined by Rule 1-02(w) of Regulation S-X.