Rasa Rayan is a knowledge-based company which is active in Engineering, Procurement, Construction, Finance (EPCF) and Investment with the target of infrastructure development. Background of Co-founders of Rasa Rayan Sina in line of goals of the company dates back to about half a century ago, but the reorganization of the company with new name and new brand was performed and registered in 2002 in Tehran. In addition to mentioned Engineering fields, there are 2 more departments, one is Trade and the other one is Finance and Investment. Trade department operates import-export and international trade activities. Finance and Investment department takes care of obtaining finance and/or investment requirements according to the needs of customer’s projects.