The book titled Internal Security Organization Within the Premises of PT Transportasi Gas Indonesia is the second of the three Guidance Book series. Principally, such guidance books are the work procedures and/or Standard Operating Procedures (SOP) in the security sector that must serve as guidelines for all management levels, starting from decision-makers to field officers/officials, including third parties (security service companies) cooperating with TGI, within the framework of an integrated internal security system organization, in accordance with their respective authority, duties, and responsibilities.