ARACO Company (AZARAKHSH rail ARIA) to develop technical and scientific capabilities of industry, especially rail transport industry has started its activities in 1389.The company is working with experienced managers, top professors and experts universities in the country offer differentiated services in terms of technical and management and in the service of progress and development of the country organizations and industries. Special distinction ARACO company is scientific and systematic approach to problems and at the same time taking into account aspects executable.Applying this approach requires knowledge-based and action-oriented organization that the company tries around two axes in order to promote the continuous ability of the organization. Considering the need of the customer and understanding his demands as an integral element of the organization, is a top priority for all managers and staff. Also pay special attention to the environment and maintaining the review as moral duty on all company projects. Araco, its main activity has focused resolution Specialized Committees in the following fields: Reverse engineering, industrial design and modeling of 3D (Solidwork) Simulation and Analysis of fluids and mechanical Design and simulation of tunnel ventilation and ventilation systems Rail transport (fleet, line, fault finding)