PT Profesional Telekomunikasi Indonesia ("Protelindo") was established in 2003 and has become the largest independent tower owner and operator in Indonesia. Protelindo owns and operates 21,271 towers in Indonesia, with 38,122 rental locations, 3,693 VSAT and more than 35,000 km Fiber Optic Cables throughout Indonesia. Since 2008, Protelindo's shares of 99.99% have been owned by PT Sarana Menara Nusantara Tbk ("SMN").

All business activities and SMN business operations are carried out through Protelindo. On March 8, 2010, SMN completed its initial public offering of shares and is now listed on the Indonesia Stock Exchange (IDX) with the stock code "TOWR". (* Status 2Q20 - June)