This study investigated Strategic Human Resurce Management (SHRM), Internal Environtmental Orientation (IEO), and Organizational Citizenship Behavior Environment (OCBE) of manufacturing companies in Jakarta and its surrounding areas. This specifically aimed at identifying the influence of SHRM and IEO towards OCBE, and whether IEO moderates the influence of SHRM towards OCBE. The respondents of this study were employees from various levels of function in several industries and companies engaged in manufacturing. There were 150 respondents that had been successfully selected which were collected by performing convenience sampling. The analysis result from the obtained data shows that the SHRM, IEO, and OCBE of the companies of where the respondents working in are considered acceptable yet in need of improvements. In addition, it is revealed that there is a positive and significant influence of SHRM and IEO towards OCBE. However, the IEO variable does not moderate the influence of SHRM towards OCBE.