Telkom Indonesia | 860,403 followers on LinkedIn. PT Telkom Indonesia (Persero) Tbk (Telkom) is a state-owned information and communications technology enterprise and telecommunications network in Indonesia. The Government of Indonesia is the majority shareholder with 52.09 percent shares while the remaining 47.91 percent shares belong to public shareholders. Telkom’s shares are traded on the Indonesian Stock Exchange (IDX) where it is listed as “TLKM” and on the New York Stock Exchange (NYSE), which lists it as “TLK”.