Human resources is one of the main factors that must be considered in an effort to achieve company goals. Employees are human resource owned by the company where every company's activities can be done with employees. One of ways that employees are encouraged to work with a passion so as to achieve optimum performance, companies need to pay attention to work motivation and organizational commitment. The purpose of this research was to determine and explain the work motivation variable, organizational commitment variable, and the employee performance variable on employee of factory compartment II PT. Petrokimia Gresik. The type of research used in this survey research is an explanation (explanatory research). The number of samples in this study were 89 employees. From the result of statistical analytis that there is a significant simultaneous effect of work motivation variable on the employee performance variable, organizational commitment variable on the employee performance variable, also work motivation variable and organizational commitment variable significaly effect on the employee performance variable.