PT Indosat is an Indonesian telecommunications network and service provider. Co.'s principal products and services include Cellular services in which Co. provides Global System for Mobile Communications 900 and 1800 cellular services; Fixed telecommunications services in which Co. provides international long-distance services in Indonesia; and MIDI services in which Co. provides broadband and narrowband fixed data services, including frame relay services, Very Small Aperture Terminal services, leased circuits and Internet services, through Lintasarta, PT Indosat Mega Media to corporate and retail customers and wholesalers.

P.T. Telekomunikasi Indonesia is a telecommunication service and network provision group based in Indonesia. Co. serves millions of customers throughout Indonesia with a complete range of telecommunications services that include fixed wireline and fixed wireless telephone connections, cellular services, network and interconnection services, as well as internet and data communication services. Co. also provides services in information, media and edutainment, including cloud-based and server-based managed services, e-Payment and IT enabler services, Pay TV, as well as e-Commerce and other portal services. Co. operations are organzied along four segments: Corporate, Home, Personal and others.

PT Tower Bersama Infrastructure is engaged in leasing space for antennas and other equipment for wireless signal transmission at tower sites and shelter-only sites under long-term lease agreements with telecommunication operators. Co. also provides telecommunication operators with access to its Distributed Antennae System (DAS) networks in shopping malls and office buildings in major urban areas. As of Dec 31 2014, Co. had 11,820 telecommunication sites, which comprised of 10,825 telecommunication towers, 941 shelter-only sites, and 54 DAS networks.

PT XL Axiata Tbk is a cellular provider in Indonesia. Co. maintains its extensive network infrastructure and services around the country. Co. provides services for retail customers and offers business solutions to corporate customers. Co.'s cellular network runs on 'GSM 900/DCS 1800' and 'IMT-2000/3G' technologies. Co. also holds several licenses, including closed regular network (leased line), Internet service provider (ISP), Voice over Internet protocol (VoIP), and Internet interconnection services (NAP). Co. has obtained an e-Money (electronic money) license from Bank Indonesia, the country's central bank, which enables Co. to provide remittance services to subscribers.