● Planning, manufacturing, sales, and installation of industrial overhead doors, large doors, special doors, thermal doors, and dock shelters. ● Planning, manufacturing, sales, and installation of residential garage doors, shutters, and other opening-related products.

Ministry of Land, Infrastructure, Transport and Tourism, Ministry of Defense, JR companies, NEXCO companies, Narita International Airport, Japan Tobacco Inc., NTT, local governments, aviation facilities, agricultural and fishery facilities, fire-fighting facilities, port facilities, prefectural police facilities, wholesale markets, construction companies, food companies, refrigerated warehouse companies, trading companies, mail-order companies, transportation companies, automobile manufacturers, food wholesale companies, large retail distribution stores, house manufacturers, automobile sales companies, and others.