Abacus Programming Corporation Provides short and long term engineering and software staff to support customer activities in aerospace, telecommunications, and commercial areas. http://www.abacuscorp.com/

Acuitive Solutions, LLC Offers an airfreight management application for shippers. http://www.AcuitiveSolutions.com/

Advanced Simulation Systems Flight simulators, products and resources. Information for the home builder. http://www.advancedsimulation.com/

Aero Tec Software Solutions, Inc Provides aircraft and crew scheduling and tracking software. http://www.aerotec.ca/

Aerocater Offers in-flight catering software solutions to airlines and airline caterers. http://www.aerocater.aero/

Aerocom Aviation Software Providing performance and other software for the aviation industry. http://www.aerocom-int.com/

AeroInfo Systems Inc. Offers maintenance planning software for the air transport industry. http://www.aeroinfo.com/

Aeroprice Software Publishers of aircraft pricing software. Site also offers tips on purchasing, "bluebook"- type values, market price updates, financing, and links to other airplane classified websites. http://www.aeroprice.com/

Aerosim Technologies Flight simulation software and flight and avionic simulators and training tools. http://www.aerosim.com/

aeroSOFT Information on flight simulation related products [Aircraft Control Panel ACP(tm) for Microsoft Flight Simulator(tm) or Sublogic ATP(tm)]. http://www.aerosoft.com/

Aerosoft Aviation software for pilot training - NDB/VOR intercept simulator for Night VFR and instrument training under Windows(tm) http://www.aerosoft.com.au/

Aerotran Charter Quoting Software Designed for the air taxi operator or aviation charter broker. http://www.aerotran.com/

Air Transport Systems Solutions Software applications and solutions for the air transport industry. http://www.atss.lu/

Aircraft Registration Database Offers a complete database of U.S. and Canadian aircraft and pilot information for FBOs and plane spotters. http://www.planeinformation.com/

Aircraft Technical Publishers Offers aviation maintenance, operations, and information management systems as well as regulatory libraries. http://www.atp.com/

Airline Software A suite of airline software for large or small airlines. http://www.airline-software.com/

Airshow Incorporated Passenger flight information systems for the airline and corporate aviation markets. http://www.airshowinc.com/

AmazonTech Provides software and systems for air traffic management, image information management systems, wide area surveillance, and procurement and logistics systems. http://www.amazontech.com/

ASP Canada Offers software for small to medium sized airlines (scheduled or non-scheduled), and other travel related organizations. Lists services, customers and staff. http://www.aspcan.ca/

AV-Base Systems Inventory and maintenance software. http://www.av-basesystems.com/