Aircraft

Aircraft Value Analysis Company
Provides current and future market values for aircraft above 19 seats. Also publishes The Aircraft Value Reference, a guide to future values and lease rates.
http://www.aircraft-values.com

Airline Information Systems
Producer of custom made flight operations manuals.
http://www.aviationpublications.com/

AirNav Systems
Aircraft tracking software.
http://www.airnavsystems.com

Alta Flights
Canadian firm specializing in aircraft charters, sales and maintenance.
http://www.altaflights.com

Aviation Assistance GmbH
Worldwide distributor of aviation parts and services specializing in business jets and turbine aircraft, corporate aircraft sales, brokerage and consulting.
http://www.aviation-assistance.de/

7jetset7
Provides up-to-date airline/operator information for aviation technical personnel and jet airplane enthusiasts around the world.
http://www.7jetset7.com

Tulsair Beechcraft, Inc.
New and used airplanes for sale, aircraft parts and service, engine maintenance, fueling, jet and turboprop charter, aircraft leasing and storage.
http://www.tulsair.com

United Services
Part of United Airlines that offers: ground handling; line, component, aircraft, and engine maintenance; program management and engineering support.
http://www.unitedsvcs.com