Keikyu Corporation is a Japanese transportation company primarily known for its railway services. Founded in 1899, it operates the Keikyu Line, which connects Tokyo to Yokohama and other areas in the Kanagawa Prefecture. The company plays a vital role in the daily commute of thousands of passengers in the region. In addition to its railway operations, Keikyu Corporation is involved in various businesses, including real estate development and retail. The company has expanded its services to include bus operations and airport access, particularly to Haneda Airport, enhancing connectivity for travelers in the greater Tokyo area.