Corporate social responsibility (CSR) has been an important area of study for both academic and business world for the last decades. The phrase social responsibility associate with philanthropy. However, it is not the only responsibility of a corporation. The responsibilities of a corporation can be grouped under economic, legal, ethical and philanthropic responsibilities. The philanthropic responsibilities target the welfare of the general public and environment. CSR activities provide benefits for the environment and the general public. Along with that the corporations also benefit from these activities as they create customer and employee satisfaction and commitment. CSR activities can be seen both as an external and an internal marketing tool. The internal customers of a firm, the employees are of prime importance for firms. They are important stakeholders within the organization service-profit chain model. Employees are one of the crucial stakeholders of a firm as they affect and are affected by the actions of firms. One of the end results that firms aim to attain through CSR programs is employee commitment. Commitment is long term relationships between firms and their employees. Literature divides commitment into three dimensions as affective, continuous, and normative. Generally affective commitment dimension is used to examine the relation between CSR performance and commitment. In this study the relationship among firms' beliefs in CSR, higher order quality of work life, perceived external prestige and commitment are analyzed. The 5-point Likert scale survey was conducted to 300 employees working in different firms in Istanbul. After eliminating missing data, analyses were conducted with 262 surveys. Structural equation model was utilized to analyze the data.