NOS, SGPS S.A. is a Portuguese telecommunications and media company which provides mobile and fixed telephony, cable television, satellite television and internet. The company resulted from the merger in 2013 of two of the country's major telecommunications companies: Zon Multimédia and Sonae's Optimus Telecommunications. NOS owns premium movie channels TVCine and has a 25% stake in the Sport TV television network. It also operates 6 thematic channels with Dreamia, a joint venture with AMC Networks International Southern Europe. NOS Audiovisuais is a home-video and cinema film distributor and operates Cinemas NOS, the largest cinema chain of Portugal. Wikipedia