AD’OCC is the regional economic development agency of the Occitanie region. As such, we offer free consulting for your corporate location or partnership projects in Southern France. Come and visit us. Let’s discuss your development plans! The Occitanie region is the world leader for civil aeronautics, home to: - 3 aircraft manufacturers: Airbus (world HQ), ATR (world HQ) and Daher, - 700 companies employing over 90,000 employees.