Tosei Corp. engages in real estate and investment business. Its operations are carried out through the following segments: Revitalization, Development, Rental, Fund and Consulting, and Property Management. The Revitalization segment acquires properties whose asset value has declined and resells them to investors and end users as revitalized real estate. The Development segment maximizes property values through development and new construction before selling them. The Rental segment manages the lease of office buildings, condominiums, commercial properties, and parking lots. The Fund and Consulting segment sets up real estate funds and provides asset management and consultancy services. It also offers sale, purchase or lease intermediary services. The Property Management segment conducts comprehensive property management. The company was founded on February 2, 1950 and is headquartered in Tokyo, Japan.