Active in the market since 1979, ISO has become an international IT service provider specialized in software for aviation and tourism. ISO was awarded a TOP 100 enterprise in 2016 and again in 2019 – distinguishing it as one of Germany's most innovative medium-sized enterprises. Under the umbrella of the ISO-Gruppe, several powerful and innovative companies are targeting specific markets: ISO Software Systeme – a software engineering and IT consulting company specialized in automation technology, medical engineering, air traffic control, airport operations, airlines and ground handlers as well as public services. ISO Travel Solutions – an IT expert for the entire range of the tourism industry offering self-developed products for tour operators, destination agencies and travel agent and other suppliers. ISO Professional Services – a consulting and implementation specialist for SAP, with focus on Data Quality Management for both SAP and non-SAP systems, along with supporting hosting and housing services. ISO Recruiting Consultants – a provider of recruiting and staffing services in the IT domain. ISO Public Services – a company emerged from the ISO Software Systeme GmbH (ISS) and focuses on the “Public Administration” business segment. Software Engineering, Software Architechture Consulting, Project Management, Operational Support and Testing are part of the ISO Public Services portfolio. Altogether, some 610 permanent employees work at several sites throughout Germany as well as in associate companies in Austria, Poland and Canada. The companies ISO Software Systeme, ISO Travel Solutions and ISO Professional Services, with their respective offices in Nuremberg, Munich and Frankfurt, are certified to the requirements of the quality management system in accordance with DIN EN ISO 9001:2015.