Civilian airspace users include scheduled airlines, charter companies, cargo and air freight service providers, the business and leisure aviation sectors and all forms of non-military air travel, from hot air balloons through police helicopters to general aviation pilots.

The military, in the form of the air forces of the EU's Member States, are also users with an interest in SESAR technology developments. Many of these companies and organisations are formally involved in the SESAR work programme.

The SJU has several contracts with third party resources:  Air France - Lufthansa - Novair - Oneworld - El Al -Turkish Airlines - ELFAA - DHL - IAOPA - EBAA - EHA - IATA

In addition, the SJU works with the following stakeholders: AEA - ERA - IACA