Japan Airlines Co., Ltd., also known as Nikkō, is the flag carrier airline of Japan. It is headquartered in Shinagawa, Tokyo, Japan, and its main hubs are Tokyo's Narita International Airport and Tokyo International Airport, as well as Osaka's Kansai International Airport and Osaka International Airport. JAL group companies include Japan Airlines, J-Air, JAL Express, Japan Air Commuter, Japan Transocean Air, and Ryukyu Air Commuter for domestic feeder services, and JAL Cargo for cargo and mail services.
Source: Wikipedia