The purpose of this study is to determine and to analyze how the structure, conduct and performance of the teleccomunication industry in Indonesia 2013-2017. The data used in this study are data of companies listed on Indonesian Stock Ecxchange. The analysis technique used this research is 1. Consentration Ratio (CR4), 2. Herfindahl Hirschman Index (IHH), 3. Conduct, 4. Profitability of industr…