NANKAI Co., Ltd. is a Japanese railway company operating through six segments: Transportation, Real Estate, Distribution, Leisure and Services, Construction, and Other. The Transportation segment runs railways, tramways, and buses, as well as ocean freight, cargo transportation, and vehicle maintenance. The Real Estate segment leases commercial and office buildings, condominiums, facilities under elevated railway tracks, and parking lots, while the Distribution segment manages shopping centers, convenience stores, dining and drinking establishments, and retail shops. The Leisure and Services segment operates an amusement park, rents motorboat racing facilities, runs hotels and ryokan inns, and provides travel agency, funeral, and building management services; the Construction segment handles construction, civil engineering, architecture, and electrical work. Formerly known as Nankai Electric Railway Co., Ltd., the company changed its name to NANKAI Co., Ltd. in April 2026, was founded in 1885, and is headquartered in Osaka, Japan.