Advanced Info Service Public Company Limited 

Advanced Info Service Public Company Limited, along with its associated entities, primarily delivers mobile telecommunications, high-speed internet, and various digital solutions within Thailand. The company structures its extensive operations into three core divisions: mobile telephony offerings, the distribution and retail of mobile devices and related equipment, and comprehensive data network and broadband solutions. A significant part of its infrastructure involves managing and operating cellular phone networks across a broad spectrum of frequencies, including 26 GHz, 700 MHz, 900 MHz, 1800 MHz, 2100 MHz, and 2600 MHz. Beyond network provision, the firm also handles the sale of handsets and top-up cards, in addition to providing digital currency and electronic payment functionalities. Its diverse service portfolio further encompasses international calling capabilities, broadcasting network management, and the provision of television services for multiple channels. The company also diversifies into insurance brokerage, IT system solutions, content aggregation, and outsourced billing and collection operations. Additional offerings include call center support, property leasing with associated facilities, and crucial internet data center and satellite uplink-downlink services for communications. Furthermore, Advanced Info Service distributes internet hardware, publishes telephone directories and advertisements, curates mobile content, and provides educational programs alongside online promotional services. This multifaceted organization was established in 1986, with its main office located in Bangkok, Thailand.