Agreements, 1950-2009

Airline Pilots Association, IAMAW, Crown Pilots Association, Transport Workers Union of America, Airline Employees Association International, Aircraft Mechanics Fraternal Organization, Fleet Service Employees (Teamsters), Teamsters Fuelers, Association of Flight Attendants, Air Alaska, Inc., Minneapolis Fueling Company, Texas International Airlines, Hertz Corporation, Crown Airways, Inc., Southwest Airlines, Republic Airlines, Ozark Airlines, Inc., Piedmont Aviation, Wien Air Alaska, USAir, Air Wisconsin Airlines Corporation, Wisconsin Central Airlines, Johnson Flying service, Inc., Northwest Airlines, United Airlines, Trans World Airlines, Inc., Big Sky Transportation Company, Van Dusen Airport Services, Western Airlines, Western States Trucking.