The purpose of this study was to determine the effect of supervision, health & work safety on performance through employee morale at PT Surya Argolika Reksa Sei Basau. The study population was all employees at PT. Surya argolika Reksa Sei Basautotaling 118 people. Sampling totaling 91 employees are done with the formula Slovin. This study used survey methods. Hypothesis testing usinga model of…