Improving performance within organizations is considered as one of the most important challenge that organizations recently face. Improving performance within these organizations will increase productivity and efficiency to achieve organization’s objectives. Therefore, the study aimed to look at the role of human resources management in improving performance in organizations. As a field study; the research has been taken The Arabian Gulf for Oil in Libya. The problem of the study was summarized in understanding the role of HRM in improving performance in organizations. The study aimed to understand this role by adopting a descriptive analytical method using a questionnaire formed of three phases, namely: human resources management, Performance improving; and the role of HRM in improving performance. The study found a range of results; the most important one is that there is an active and important role in HRM that improves performance in organizations, as it can works to solve the problems that affect the performance and productivity. Also, it is found that HRM represents the value of intellectual capital within its organizations and motivate employees to improve their performance, and that has a direct impact on productivity and performance either way. The sample of the study showed that there is an acceptable level of satisfaction toward the practices of HRM in their organizations. It also was found that there is a need to embed the practices of TQM along with HRM in order to improve performance. The study recommended that there is a need to work on the basic needs and the emotional needs of employees, which will strongly result in increasing the level of performance and achieve companies’ objectives.