STEEL Electronique, a subsidiary of ACTIA Aerospace, is a SME with over 40 years' experience in the development and manufacture of space electronic equipment and systems. Strongly positioned in the field of high technology, STEEL Electronique carries the bulk of its activities in the field of space electronics (100% of its turnover), where its main customers are institutional agencies as prestigious as ESA, CNES, ONERA, CEA, CNRS or Large Scale Integrators, such as Airbus Defence and Space and Thales Alenia Space. STEEL Electronique is a recognized supplier for the following types of space flight units, full ECSS Compliant or NewSpace :