Kevin N. Knight

Northwest Airlines Corp. (NWA) provides air transportation services. It together with its subsidiaries engages in the business of transporting passengers and cargo. It has a fleet of about 450 aircrafts. It flies to more than 230 cities worldwide from hubs in Amsterdam, Detroit, Memphis, Minneapolis and Tokyo. Its domestic partners Pinnacle Airlines and Mesaba Airlines provide regional services to destinations under the Northwest Airlink banner. The carrier also has extensive alliances with Continental Airlines and Dutch airline KLM. It has joined SkyTeam, a marketing alliance led by Delta and Air France. Its principal subsidiaries are Northwest Airlines, Inc., MLT Vacations Inc. and Northwest PARS, Inc. It was founded in 1926 and is headquartered in Eagan, MN.

UAL Corp. provides air transportation services through it's subsidiary, United Airlines, Inc., in North America, the Pacific, the Atlantic and Latin America. It offers transportation of passengers and cargo. The company operates 3,400 flights and 200 United States domestic and international destinations from its hubs in Los Angeles, San Francisco, Denver, Chicago and Washington. The company was founded in 1934 and is headquartered in Chicago, IL.

Air Berlin Plc engages in the provision of air transportation services. Its services include flight booking, special offers, flight and hotels, on the ground and in the air services and online services. The company was founded on April 16, 1991 and is headquartered in Berlin, Germany.

Etihad Airways PJSC engages in the provision of airlines transportation services. It also offers cargo transportation services. The company was founded by Emiri Decree in July 2003 and is headquartered in Abu Dhabi, the United Arab Emirates.

Air Serbia AD engages in the provision of air transportation services. It also offers ground handling and catering services. The company was founded in 1927 and is headquartered in Belgrade, Serbia.