Implementation of quality, safety, occupational health and environment management system were done partially in Indonesia. In this research, I would like to present integrated management system. Integrated management system mentioned in this paper is integration between quality management system, environment management system, health and safety management system in organization of construction company. Most of the research done in manufacturing sector not discuss about the implementation of integrated management system in realizing improving organization performance, especially in improving organization performance sustainability in construction company. For improving organization performance, it need to consider knowledge management and information system in integrated management system. Hopefully, it can be one of the key successes to improve organization performance especially in construction company. Information system is recognized to be one of the most important supported to implementation of integration management system. This research will produce integrated management system concept model to increase organization performance using information system: Agent based modelling.