<pre><em>This study is intended to obtain an overview, data and information needed to determine whether the variables of work involvement, facilities and loyalty have a simultaneous effect on employee performance. The type of research used in this study is associative. Where the formulation of the problem of associative research is a research question that is asking the relationship between variables or more (Sugiyono, 2007:55). The type of research used by the researcher is research that uses survey research methods with a quantitative approach (Quantitative Research) as the research method chosen in this study to answer research questions. In the preparation of the instrument or data collection tool, the variables are the main reference for researchers in compiling the questionnaire. The methods used in data analysis are correlation analysis and regression analysis. Based on the results of the coefficient of determination test, the value of the coefficient of determination or Adjusted R Square is 0.785, meaning that the variables of work involvement, facilities, and loyalty simultaneously affect employee performance by 78.50% while 21.50% is explained or influenced by other variables outside this research variable. Based on the variable that has the largest beta coefficient (β) is loyalty, which is 0.754. This means that loyalty is the most dominant variable in influencing employee performance at PT. ANINDYA MITRA INTERNATIONAL (AMI).</em><em></em></pre><p><strong> </strong></p>