Nation Broadcasting Corporation Public Company Limited is a Thailand-based media company. The Company is involved in production of television (TV) and radio programs. It sells advertisements through TV media, radio media and new media forms. The Company operates television channels, namely Nation Channel, Mango TV, and works with Thai channels 3, 5 and 9 in producing news programs for broadcast. In addition, the Company produces news programs for broadcasting across radio stations, such as frequency modulation (FM) 90.5 megahertz (MHz) and FM 102.0 MHz. It provides news content through Websites, as well as through short message service (SMS) and multimedia messaging service (MMS) forms on mobile phones. The Company's subsidiaries include NBC Nextmedia Company Limited which is engaged in advertising business, NBC Next Vision Company Limited and NBC Next Screen Company Limited, which both operate as content providers through multimedia channels.