Advanced Info Service Public Company Limited 

Advanced Info Service Public Company Limited, together with its affiliated entities, serves as a leading provider of mobile communication networks, fixed-line internet, and a broad spectrum of digital services, predominantly within Thailand. Established in Bangkok in 1986, the company organizes its extensive operations across three principal divisions: Mobile Phone Services, the Sale of Mobile Devices and Associated Equipment, and Datanet and Broadband Solutions. AIS is responsible for the management and operation of cellular telephone networks across a comprehensive range of frequencies, including 26 GHz, 700 MHz, 900 MHz, 1800 MHz, 2100 MHz, and 2600 MHz. Beyond its core telecommunications offerings, the company engages in various other ventures. These include distributing mobile handsets and prepaid cards, as well as providing electronic currency and payment processing systems. Its service portfolio further extends to international telephony, the operation of broadcasting networks, and the delivery of television content across multiple channels. AIS also participates in the insurance brokerage sector. The company offers a suite of IT-related services, such as system development, content aggregation, and outsourced billing and collection services. Additionally, it manages call centers and provides leasing services for land, buildings, and related infrastructure. Furthermore, its comprehensive suite of services encompasses internet data center facilities, internet and satellite uplink-downlink services for global communications, and the distribution of internet equipment. AIS is also active in publishing telephone directories and advertising content, developing mobile applications and content, and providing training and online advertising solutions.