Human Resource Management and Organization Behavior play an important role in achieving superior Organizational Performance. From secondary data, researchers carried out analysis and saw that there were phenomena or problems that occurred at PT Finnet Indonesia (Finnet), and determined several factors that could influence Organizational Performance. The purpose of this research is to examine how Finnet’s Organizational Performance (OP) is impacted by Organizational Culture (OC), Learning Organizations (LO), and Knowledge Management (KM). Apart from that, this research also aims to describe how to analyze each research variable. In this research, descriptive and verificative research methods are combined with quantitative approach. Finnet consists of a research population of 299 permanent employees. With a 5% error rate, the Slovin formula indicates that 171 employees should be included as research samples. The researchers used PLS (Partial Least Square)—SEM (Structural Equation Model) data analysis using SmartPLS software. Three hypotheses will be tested in this research: (1) Organizational Performance is positively and strongly impacted by Finnet’s Organizational Culture; (2) Organizational Performance is positively and strongly impacted by Finnet’s Learning Organization; and (3) Organizational Performance is positively and strongly impacted by Finnet’s Knowledge Management.