http://www.sec.gov/Archives/edgar/da...21/ualtenk.htm

United Services is a global airline support business offering customers comprehensive solutions for their aircraft maintenance, repair and overhaul ("MRO"), airport and training needs. United Services brings nearly 80 years of experience, employee talent and the highest level of operational integrity to more than 150 airline customers worldwide. MRO services account for approximately three quarters of United Services' revenue with ground handling and flight training accounting for the remainder. MRO revenue sources include engine maintenance, maintenance of high tech components including avionics, line maintenance and landing gear services. During 2005, United Services generated over $275 million in revenue, a 10% increase as compared to 2004.