Toshiaki Douba

Sanwa Shutter Corp. manufactures & distributes shutters and doors. The Japan-based manufacturer specializes in heavy-duty and lightweight shutters. Through its subsidiaries, Sanwa Shutter also makes steel and aluminum building materials such as sliding doors, metal fittings, and shutter- and window-related pieces. The company targets builders of commercial property and residential housing, and offers a bundle of maintenance services. The company was founded in 1963 and is headquartered in Tokyo, Japan.

Showa Front Co., Ltd. engages in construction and sale of aluminum sash for stores and curtain wall. The company was founded in June 1963 and is headquartered in Tokyo, Japan.

Overhead Door Corp. manufactures garage shutters and wooden furniture commercial, industrial, and residential applications. It offers steel insulated doors, security grilles, and rolling steel door systems. The company was founded in 1921 and is headquartered in Lewisville, TX.

Marubeni-Itochu Steel, Inc. engages in the development and production of iron and steel products. Its products include plates, bars, rails, pipes. slabs, hot-rolled and cold-rolled steel sheets, stainless steel, copper alloy tubes, and aluminum. The company was founded on October 1, 2001 and is headquartered in Tokyo, Japan.

Part of Sanwa Holdings Corp., Novoferm Germany GmbH is a European system provider of doors, gates, frames, and operators for residential, commercial, and industrial applications. The company is based in Isselburg, Germany. The CEOs of the German company are Koji Hayashi, Takenobu Hoizumi, Rainer Schackmann. Novoferm's garage doors provide a welcoming feeling and their sectional and swing doors are available through their specialized dealers. The company offers online portals for architects and planners to access their certifications and controls for gate systems and extensive accessories. Novoferm is committed to providing high-quality products and efficient work.