Ellidiss Software, the new trading name of TNI Europe Limited is a leading supplier of software tools to international organisations in aerospace, space, transport, defence and acedemia. Technologies supported by the tools include AADL, UML 2.0, HRT-HOOD, Requirements Analysis, and Software Method Prototyping. The company maintains its leading position through its involvement in standards commitees and R & D projects, and by close cooperation with key organisations such as the European Space Agency, Ada Langauge organisations – SIGADA and Ada Europe, together with key Aerospace organisations worldwide.