Sigma Information Technology Infrastructure Development Company, with years of experience and ranked as a top IT consultant, one of the most prestigious companies in the information and communications technology industry in the country, is regarded as a professional enterprise portal and secure electronic services. Services and products of Sigma Company (Sigma Enterprise Portal), due to its quality, capability and security, are used by the largest companies and organizations in the country.

Among the customers Sigma is proud to provide its services and products to can be the Presidential Office, IT Service Company, Payam Noor University, Iran National Petroleum Company, Astan Quds Razavi, Ministry of Interior, National Iranian Gas Company, Army Islamic Republic of Iran, Parsian Bank, Irancell Company, Islamic Advertising Office of Qom Seminary, Ministry of Oil, National Steel Company of Iran, Ministry of Economy and Finance, Arafin Exchange, Shada News Agency, Environmental Protection Agency, Parsian Ecommerce Company, Law Guardian Council Basic, Shahrekord Municipality, Ministry of Transport and Infrastructure Development and Development, Ministry of Jah In agriculture, the governor of Kohgiluyeh and Boyer-Ahmad, Alborz University of Medical Sciences, MAGFA, the Atomic Energy Organization of Iran, the preservation of relics and values ​​of the Holy Defense Army and others.