This study aims to identify, analyze, and explain the factors that influence employee performance in carrying out work activities in the red sugar home industry. The research was conducted at the Red Sugar Home Industry in the Pegajahan District, Serdang Bedagai Regency. Some of the dominant factors affecting employee performance at the Red Sugar Home Industry in Pegajahan District, Serdang Bedagai Regency include leadership, skills, and work environment. This study is a quantitative study with a sample size of 70 employees. The T-test (partial) results showed t-count 8.487>t-table 1.668 and significant 0.000<0.05, so Ha is accepted, which means that leadership has a positive and significant effect on employee performance. The t-value of 4.630 > t-table 1.668 and a significance of 0.000 < 0.05 means that skills have a positive and significant effect on employee performance. The t-value of 1.878 > t-table 1.668 and a significance of 0.044 < 0.05 indicates that the work environment has a positive and significant effect on employee performance. The F-test (simultaneous) results show an F-value of 65.853 > F-table 2.74 and a significance of 0.000 < 0.05, which indicates that leadership, skills, and the work environment simultaneously have a positive and significant effect on employee performance. The R Square value shows a coefficient of determination of 0.750 or 75.0%, meaning that the employee performance variable can be explained by the leadership, skills, and work environment variables, while the remaining 25.0% is influenced by other variables not included in this study.