Airline Support Services
Mileage Plus Inc
77 West Wacker Drive Chicago, IL 60601
(312) 997-8000 united.com
Marketing Consultants
Mileage Plus Marketing Inc
77 West Wacker Drive Chicago, IL 60601
(312) 997-8000 united.com
Scheduled Air Transportation
United Air Lines Inc
77 West Wacker Drive # 4010 Chicago, IL 60601
(312) 997-8000 united.com
Airline Companies
United Continental Holdings
233 South Wacker Drive Chicago, IL 60606
(312) 997-8000 unitedcontinentalholdings.com
Business Services (Unclassified)
United Ghs Inc
77 West Wacker Drive Chicago, IL 60601
(312) 997-8000 united.com
Accommodations
United Vacations Inc
77 West Wacker Drive Chicago, IL 60601
(312) 997-8000 unitedvacations.com