Aliajgaran was established in 1991 in the field of control and smart and optimal building management systems aiming to satisfy the needs of the original equipment manufacturers (OEMs), Residential Complexes, Airports, Hospitals, Shopping malls and especially oil and gas industry of the country. Afterwards, we were honored to receive the exclusive agency of Landis+Gyr of Switzerland, in 1995, when Siemens purchased Landis Co. in order to expand its activities range in building control and management systems, once again Aliajgaran Co. was granted the agency of the company. Then, the company, in order to strengthen its services in Iran and owing the fact of being the leading company in the field, started a cooperation with Schischek, Gefran, Elodrive and Qundis, each of which offer complementary products and services especially in the field of the industry of building control and expanded its range of activities.