In addition to its mainline operations, ANA controls several subsidiary passenger carriers, including its regional airline, ANA Wings, Air Nippon, Air Do (a low-cost carrier operating scheduled service between Tokyo and cities in Hokkaido), and Allex Cargo (ANA Cargo – the freighter division operated by Air Japan). ANA is also the largest shareholder in Peach, a low-cost carrier joint venture with Hong Kong company First Eastern Investment Group. In October 1999, the airline became a member of Star Alliance. On 29 March 2013, ANA was named a 5-Star Airline by Skytrax. On 27 April 2018, ANA announced ANA Business Jet Co., Ltd., a joint venture with Sojitz to offer private jet charter flights.