Management of buildings; agency services for the leasing or rental of buildings; leasing or renting of buildings; rental of apartments, houses, commercial premises and offices; purchase and sale of buildings; real estate agency services relating to the purchase and sale of buildings for others; appraisal or evaluation of buildings or land; land management; agencies or brokerage for leasing or renting of land; leasing of land; purchase and sale of land; real estate agency services relating to the purchase and sale of land for others; providing real estate information; payment guarantee against delinquent rent for building or land owners; providing information on payment guarantee against delinquent rent for building or land owners; rent and management fee collection; life insurance brokerage services; life insurance underwriting; non-life insurance, namely, property and casualty insurance brokerage services; claim adjustment for non-life insurance, namely, property and casualty insurance services; non-life insurance, namely, property and casualty insurance underwriting; insurance premium rate computing.