Iida Group Holdings Co., Ltd., together with its subsidiaries, engages in the purchase, planning, design, construction, sale, and after-sales service of detached houses and house condominiums in Japan. It is also involved in the contract construction, real estate brokerage, laminated timber manufacturing and pre-cut processing, manufacture and sale of window glasses, resort operation, travel agency, finance and insurance, housing land development, groundwork, water supply, and drainage businesses. The company was founded in 1967 and is headquartered in Tokyo, Japan.