EXHIBIT 21 SUBSIDIARIES AND JOINT VENTURE OF THE COMPANY As of March 31, 2002, the Company owned a majority to 100% of the following securities of the following subsidiaries and Joint Venture: State (Country) of Percentage of Voting Subsidiary Incorporation Securities Owned - ---------- ------------------ -------------------- San Luis Estates, Inc. Colorado 100.00% Universal Developers, Inc. Wisconsin 100.00% Homespan Realty Co., Inc. Wisconsin 100.00% Ecomm Group Inc. Wisconsin 100.00% San Sebastian Gold Mines, Inc. Nevada 82.50% Mineral San Sebastian, S.A. de C.V. (El Salvador, Central America) 52.00% Commerce/Sanseb Joint Venture Wisconsin (and El Salvador, Central America) 90.00%