| The purpose of this study is to see the effect of profitability, liquidity, asset growth, and asset structure on capital structure of listed manufacturing companies at Indonesian Stock Exchange period 2010 - 2012. Profitability is measured by return on asset, liquidity is measured by current ratio, asset growth is measured by total asset growth, and asset structure is measured by fixed asset ratio. The research has been done on 80 manufacturing companies for the period 2010-2012. This study uses multiple regression method to analyze the effect of profitability, liquidity, asset growth, and asset structure. The result shows that profitability, liquidity, and asset structure have significant impacts on capital structure. On the other hand, asset growth does not have significant impact on capital structure. |