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 4 channels as joint ventures with AMC Networks International Southern Europe. NOS Audiovisuais is a home-video and cinema film distributor and operates NOS Cinema, the largest cinema chain of Portugal. Wikipedia