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Advanced Info Service Public Company Ltd., generally known as Advanced Info Service or AIS, is the biggest mobile phone network operator in Thailand by subscribers. It is owned by the Singtel group of Singapore. Its main competitors are TrueMove H and dtac.

1986–2011

AIS 1986 logo

2011–present

Advanced Info Service 2011

The current 'wave' logo was introduced on 29 September 2011.

  V • T • E 
Singapore operations:

Singtel TV | Singtel hi! | Singtel Dash | Singtel CAST | Singtel Music | Singtel Newsstand

Asia-Pacific mobile networks:
Wholly-owned: Optus (Australia) | Singtel (Singapore)
Joint-ventures: Telkomsel (Indonesia, 30.1%) | Bharti Airtel (India, 36%) | AIS (Thailand, 23%) | Globe Telecom (Philippines, 47%) | Telecom Egypt (Egypt, 46%)
Discount network brand: GOMO (Singapore | Philippines | Thailand)

Other assets:
IT services: NCS Group | Alphawest | DataSpark | Trustwave
Digital banks: GxS Bank (Singapore) | Superbank (Indonesia) | GXBank (Malaysia)

Former/defunct assets:
HOOQ1 | gomo Australia

1Joint venture with Sony Pictures Entertainment and Warner Bros. Discovery.

Singtel
  V • T • E 
Asia-Pacific members: Australia: Optus1 | Hong Kong: csl. | India and Sri Lanka: Bharti Airtel1 | Indonesia: Telkomsel1 (Timor-Leste: Telkomcel) | Japan: SoftBank Mobile | Macau: CTM | Malaysia: Maxis Communications | Philippines: Globe Telecom1 | Singapore: Singtel1 | South Korea: SK Telecom | Taiwan: Taiwan Mobile | Thailand: AIS1 | Vietnam: MobiFone

Middle Eastern members: Saudi Arabia: stc (Bahrain | Kuwait) | Turkey: Türk Telekom

African member: Airtel1 (Chad, DR Congo, Gabon, Ghana, Kenya, Malawi, Madagascar, Niger, Nigeria, Rep. Congo, Rwanda, Seychelles, Tanzania, Uganda and Zambia)

1Wholly- or partly-owned subsidiaries of Singtel.

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