Exhibit (21) SUBSIDIARIES OF THE REGISTRANT ------------------------------ The Company is the owner of all of the issued and outstanding stock of the following corporations, except as noted below. State or Country of Name of Subsidiary Incorporation ------------------ ------------------- Viracon/Curvlite, Inc. Minnesota Tru Vue, Inc. Illinois The Glass Depot, Inc. Minnesota Harmon Glass Company Minnesota Harmon Glass of Florida, Inc. (1) Florida Glass Depot of Florida, Inc. (2) (8) Florida Apogee Sales Corporation (1) South Dakota Spectrum Automotive Centers, Inc. (1)(8) Iowa Harmon Glass of Indiana, Inc. Indiana Randell Thomas Glass Co., Inc. (2) Florida Marcon Coatings, Inc. (3) Minnesota W.S.A., Inc. Minnesota Harmon Glass of Savannah, Inc. (2) Georgia Harmon Contract Asia, Ltd. (4) Minnesota Harmon Contract U.K., Limited (5) United Kingdom Harmon Glass Network, Inc. (2) (8) Florida Glass & Metal Distributors, Inc. (6) Michigan Viratec Thin Films, Inc. (7) Minnesota Empire State Auto & Plate Glass, Inc. (9) New York Harmon Glass of Canada Ltd. (1) (8) Canada Harmon Contract Europe, Ltd. (10) United Kingdom Harmon Contract, Inc. (11) Minnesota Norshield Corporation (11) Alabama The Glass Depot of New York, Inc. (12) Minnesota Harmon Contract Asia Sdn Bhd (13) Malaysia Harmon Europe S.A. (14) France Harmon/CFEM Facades S.A. (14) France Harmon Facalu S.A. (14) France Harmon Sitraco S.A. (14) France (1) Owned by Harmon Glass Company (2) Owned by Harmon Glass of Florida, Inc. (3) 50% owned by W.S.A., Inc. (4) Owned by Harmon Contract, Inc. (5) 99.99% and .01% owned by Harmon Contract, Inc. and Apogee Enterprises, Inc., respectively. (6) Owned by Harmon Glass of Indiana, Inc. (7) Owned by Marcon Coatings, Inc. (8) Inactive (9) 66% owned by Harmon Glass of Florida, Inc. (10) Owned by Harmon Contract U.K., Limited (11) Owned by W.S.A., Inc. (12) Owned by The Glass Depot, Inc. (13) Owned by Harmon Contract Asia, Ltd. (14) 80% owned by various Apogee entities