Arthur Calderwood

British Telecom Plc provides telecommunication services. It offers broadband, phone lines, mobile phones, and IT services. The company offers telecom products and services for commercial purpose. British telecom is headquartered in London, UK

SITA, Inc. provides information technology business solutions and communication services to the air transport industry. The firm's services include aircraft communications and maintenance, airport services, boarder management solutions, desktop services, flight operations, logistics, passenger, and travel solutions. The company was founded in 1949 and is located in Atlanta, GA.

Soci?t? Internationale de T?l?com Aeronautiques provides information technology and telecommunications solutions to the air transportation industry. Its services range from reservation, web booking & ticketing, through check-in, baggage tracking, immigration & border control solutions to departure control, flight operations, and in-flight communications. It provides services to airlines, airports, aerospace companies, organizations involved in aircraft design and communications and as well as logistics and travel distribution organizations, international organizations and governments. The company is headquartered in Geneva, Switzerland.

Soci?t? Internationale de T?l?communications A?ronautiques SC provides air transport communications and information technology solutions for the aerospace, airlines, airports, air freight, air traffic control, travel and distribution, government, and ground handlers sectors. Its services encompass aircraft, airport, baggage, cargo, and passenger operations, commercial management, communications and infrastructure, and transportation security. The firm's products are made for network, aircraft operational communications, horizon fares management, horizon passenger management and distribution, passenger processing, flight briefing, and airport management, safety and security. These include advanced weather service, aircom cockpit voice and datalink applications, airfare distribution and price, AirportConnect kiosk, and airport surveillance. The company was founded on February 23, 1949 and is headquartered in Brussels, Belgium.

SITA Group provides software services. The private company is based in Geneva, Switzerland. and has subsidiaries in Switzerland and Spain. The Swiss company was founded in 1949.