The purpose of this research the influence of the tax, the tunneling incentive, mechanism bonus, company size, and profitability on transfer pricing. The dependent variable in this study is the transfer pricing strategy formulated by the value of the related party transaction (RPT). The independent variable in this study is the tax, tunneling incentive, bonus mechanism, company size, and profitability. This study uses secondary data of financial statements or annual reports that have been published by the company in the Indonesia stock exchange. The population in this research are manufacturing companies listed in the Indonesia stock exchange during 2014-2016. By using purposive sampling method, it obtained a total sample of 84 observation data from 28 companies. Analysis methods used are descriptive statistics, classical assumptions, multiple linear regression analysis. The results of the analysis in this study showed that tunneling incentive and bonus mechanism negatively affect the decision of transfer pricing. As for taxes, the company's size and profitability had no effect on the decision of transfer pricing.