Benefit from decades of experience in aviation software – ISO offers solutions for airlines and airports, from airline retailing, revenue accounting and M-Billing to airport management, ground handling, and air traffic control. Delivering solutions that shape the aviation industry As a Strategic Partner of IATA, ISO has NDC Capable Level 3 status and is ONE Order-capable. Moreover, ISO is actively involved in the respective work groups and task forces – with two of its application scenarios officially recognized as IATA ONE Order Pilots. Our clients include 22 airlines of various size across 11 countries with some 8 million PAX, as well as more than 70 airports worldwide at regional and international level – including multi-airport systems. ISO is part of the ISO-Gruppe, with some 560 permanent employees across Germany, Austria, Poland and Canada, and is certified to the quality management system in accordance with DIN EN ISO 9001:2015.