1 [Ernst & Young LLP Logo] Exhibit 21 ---------- Werner Co., a Pennsylvania corporation. Gold Medal Ladder Company, a Pennsylvania corporation. Kentucky Ladder Company, a Pennsylvania corporation. Florida Ladder Company, a Florida corporation. Werner Management Co., a Pennsylvania corporation. Werner Financial Inc., a Delaware corporation. R.D. Arizona Ladder Corp., an Arizona corporation. WIP Technologies, Inc., a Delaware corporation. Ardee Investment Co., Inc., a Delaware corporation. Olympus Properties, Inc., an Illinois corporation. Phoenix Management Services, Inc., a Pennsylvania corporation. 2 Manufacturers Indemnity and Insurance Company of America, a Colorado corporation. Wentworth Institutional Realty, Inc., a Delaware corporation. Ad Valorem Properties, Inc., a Colorado corporation. Werner Distribution, Inc., a Pennsylvania corporation. Werner (FID), Co., Inc., a Delaware corporation. BLP Corporation, a Colorado corporation. Amarlite Architectural Products, Inc., a Delaware corporation.