COS Continuity of Supply COS Culling of Stratholme (World of Warcraft; gaming) COS Caress of Steel (Rush album) COS Church Of the Savior COS Communications Segment COS Contrat d'Objectifs Scolaires (French: Educational Objectives Contract) COS Columbia Online Style COS Chip on Submount COS China...
SOS System-of-System SOS Services Operations Support (Presilient) SOS Service on Site SOS Science of Survival SOS Swamp of Sorrows (gaming, World of Warcraft) SOS Save Our Saluda (environmental protection group; Marietta, SC) SOS Save Our Situation SOS Shot on Sight (band) SOS Sign of Stren...