TV Azteca, S.A.B. de C.V. is a Mexican multimedia conglomerate owned by Grupo Salinas. It is the second-largest mass media company in Mexico after Televisa. It primarily competes with Televisa and Imagen Televisión, as well as some local operators. It owns two national television networks, Azteca Uno and Azteca 7, and operates two other nationally distributed services, adn40 and a+. All three of these networks have transmitters in most major and minor cities.