COOPANS is an international successful partnership between the air navigation service providers of Austria (Austro Control), Croatia (Croatia Control), Denmark (Naviair), Ireland (Irish Aviation Authority), NAV Portugal and Sweden (LFV). Thales is a chosen supplier (industry partner) for COOPANS.  

COOPANS partners operate a world class, safe and cost-effective ATM system. COOPANS has adopted a common managerial approach, whereby the five ANSPs act as one organisation together with Thales with a focus on common success. 

The harmonisation of functionalities and joint investments enable the implementation of an advanced and unified air traffic control system. COOPANS has structured the development and deployment process around joint activities such as common specification, operational documentation, validation, training materials and generic safety cases. 

COOPANS is the golden example for co-operation and harmonisation in Europe. 
Read more at COOPANS website

Borealis is an alliance of nine European providers of air traffic services. The alliance is made up of Denmark, Estonia, Finland, Iceland, Ireland, Latvia, Norway, Sweden and the United Kingdom.

Borealis aims to facilitate cooperation between the Members, for the benefits of the customers, on commercially-recognized business partnering principles that will make a contribution to the operational and financial performance of the members´ air traffic services, and the achievement of Single European Sky and ICAO performance targets.
Read more about Borealis.

The A6 is an alliance of some of the largest European Air Navigation Service Providers. Its aim is to drive the modernisation of the European ATM network within the SESAR programme for the benefit of our customers. The A6 is formed of the six ANSP members of the SESAR JU: Spain, France, UK, Ireland, Italy, Germany, Austria, Denmark, Norway, Sweden, Finland and Estonia. Collectively the A6 alliance control over 70% of European air traffic and 72% of the investment in the European Air Traffic Management infrastructure of the future.