The group’s principal activity is to provide aircraft maintenance and FBO services. The group provides modification, ground handling, fueling, catering and passenger services to corporate aircraft operators. The group's work on a variety of popular business jets, including Dassault Falcon, Gulfstream, and Learjet models. The group's offer maintenance services at its facilities in Missouri (Lambert-St. Louis International Airport) and provides maintenance and FBO services in nearby Cahokia, Illinois (St. Louis Downtown Airport). The group is a subsidiary of Jet Aviation. The group operates from the United States.