CMA CGM is the world's third-larges t shipping line. Compagnie Générale Maritime (CGM) was formed in 19 77 with the merg er of the Mes s ag eries Maritimes (Mes sMar) and the Compagnie Générale Transatlantique (Transat). Compagnie Maritime d'Affrètement (CMA) was founded the following year, in 1978 , and in 1999 the two were'leg ally merg ed'. In 1996 , CMA CGM was privatised, and the foll…