Masaru Corporation engages in the construction activities in Japan. It is involved in the building repair and renovation works; condominium and building renewal works; and skyscraper sealing and waterproofing works. The company also involves in construction of facilities, such as air conditioning, heating and cooling, and water supply and drainage, as well as assembles, installs, and maintains industrial machinery, such as exhaust equipment, drying and painting equipment, and dust collection equipment. In addition, it sells building materials and engages in rental of equipment. Masaru Corporation was incorporated in 1957 and is headquartered in Koto, Japan.