ALT Telecom Public Company Limited, together with its subsidiaries, engages in the telecommunication business in Thailand. The company also produces, assembles, installs, and distributes electricity meters; sells, installs, and rents solar cells; sells, installs, maintains, and rents telecommunication networks; and distributes solar cells. In addition, it leases and manages telecommunication basic structures; develops and distributes technology equipment; and sells, installs, and maintains electrical system and telecom. The company was incorporated in 2001 and is headquartered in Nonthaburi, Thailand.