Toshitaka Takayama

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.

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.

Novoferm Europe Ltd. manufactured and distributed steel doors, doorframes and garage doors. The company was founded on September 23, 2003 and was headquartered in Sheffield, the United Kingdom.

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.