PT Indosat Ooredoo Hutchison Tbk (ISAT) is a merger entity between Indosat Ooredoo and Hutchison Tri, two leading telecommunication providers in Indonesia. The company commenced in 1967 as a foreign investment company, to provide international telecommunications services in Indonesia. Ooredoo, a publicly listed company owned by Qatar and its affiliated entities, became the major shareholder of the company in 2008. In 2022, the company merged with Hutchinson Tri. The company provides retail phone services, through brands like IM3, 3, and MPWR.