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PT Telekomunikasi Indonesia International provides telecommunication services. The firm develops and provides fixed-line telecommunication services to the telecommunication industry. The company is headquartered in Selatan, Indonesia.

Telkom Infra provides infrastructure managed services. The private company is based in Kota Jakarta, Indonesia.

PT Telkom Satelit Indonesia, also known as Telkomsat, is a satellite service provider specializing in high-quality and internationally standardized upstream to downstream services. The private company is based in Jakarta Selatan, Indonesia and ultimately controlled by the Government of Indonesia. The Indonesian company offers Mobile Satellite Phone services, which are handheld satellite phones that can be taken anywhere and have wide coverage, unaffected by geographical conditions. The company also provides satellite transponder capacity for rental periods of 1 to 5 years. Telkomsat offers Solution Network (SGN) as an additional solution to meet the private or corporate network needs, enabling closed user group or open network connections to the outside world. The company was founded in 1995 and the CEO is Lukman Hakim Abdul Rauf. PT Telkom Satelit Indonesia was acquired by PT Telkom Indonesia (Persero) Tbk on July 24, 2013 for $4.47 million.

PT Multimedia Nusantara provides pay television and multimedia telecommunications services. It is a subsidiary of PT Telekomunikasi Indonesia Tbk. The company was founded in 1997 and is headquartered in Jakarta, Indonesia