CMA CGM is the world's third-larg es t s hipping line. Compagnie Générale Maritime (CGM) was formed in 1977 by the merger of Messageries Maritimes (Mes sMar) and Compag nie Générale Trans atlantique (Trans at). Compag nie Maritime d'Affrètement (CMA) was founded the following year. In 1996 CMA CGM was privatis ed and the following year made its firs t acquis ition, Aus tralian National Lin…