Tiyasiningsih, Ezky2013-01-262013-01-262013-01-26http://repository.unri.ac.id:80/handle/123456789/1648This study was conducted at the Perusahaan Daerah Air Minum (PDAM) Tirta Siak Pekanbaru at Jenderal Sudirman street No.246. This study aims to determine how the effect of Leadership, Compensation, and Organizational Commitment either simultaneously or partially on Employee Productivity PDAM Tirta Siak Pekanbaru. The population in this study were employees of PDAM Tirta Siak Pekanbaru totaling 116 people, with a total sample of 53 employees. The method of analysis used in this research is descriptive quantitative method using SPSS version 17:00. Simultaneous regression (F test) showed that the independent variables studied (Leadership, Compensation and Organizational Commitment) has a positive and significant effect on the dependent variable (Employee Productivity). The magnitude of the effect caused by (R2) by three variables simultaneously on the dependent variable 63.90%, while the remaining 36.10% is influenced by other variables not examined in this study. The results of testing that has been done, the partial regression test (t test) showed that each of the independent variables studied (Leadership, Compensation and Organizational Commitment) has a positive and significant effect on the dependent variable (Employee Productivity).otherLeadershipCompensationOrganizational CommitmentEmployee Productivity