The purpose of this study is to evaluate how employees of PT. Putra Indo Mandiri Sejahtera are affected by workload, discipline, and training. It is assumed that workload, discipline, and training are important factors that affect how well employees perform in the company. PT. Putra Indo Mandiri Sejahtera has 126 workers, and 96 of them were taken as samples using the Slovin formula. This study uses a quantitative approach. Interviews are used to collect data, and the Slovin formula is used to distribute questionnaires directly to the decided sample. This study, the coefficient of determination, f-test, and t-test, as well as multiple linear regression analysis models are used. According to the research results, the Workload variable = tcount value > ttable (-2.349 > 1.98552) and the significant result is 0.021 < 0.05, then on the Work Discipline variable = tcount > ttable (3.027 > 1.98552) and significant 0.003 < 0.05, and on the Job Training variable = tcount value > ttable (3.465 > 1.98552) with significant 0.001 < 0.05, the conclusion is Alternative H is accepted and Zero H is rejected. According to the results of the coefficient of determination, the impact of the independent variable on the dependent variable is 0.17. In other words, only 17% of the independent variables have an impact on the dependent variable, while 83% of the variables can affect the remaining additional variables such as compensation, work environment, leadership style, and additional variables that researchers did not use in this study. This study found that PT. Putra Indo Mandiri Sejahtera was affected by both dependent and independent variables simultaneously and partially.