Sayol company was established in 1980 and has started its activities since 1981.
Since stipulation of quality determination by ministry of programming and budget until now, has had continuous ranking and from 2000 till now has had:
The highest ranking in construction and second ranking in building installations and equipments.
Recently, with the renewal of construction ranking and promotion in building installations on the basis of the latest ranking scheme of ministry of programming and budget possess, Sayol obtained:
- First ranking in construction and building installations
- Ranking 5 in mining and industry
- Ranking 5 in road and transportation
Strong belief in engineering tasks together with observing technical specifications and use of the latest technical achievements in programming, control and implementing operations has been its main aim and has always tried by compensating and predicting unpredictable problems to terminate the tasks in suitable time and best quality.
Tasks fulfilled until present consist of construction operations and installation of great hospitals, industrial projects, residential – official towers and residential buildings in Semnan, Lorestan, Hamedan, Gazvin, Bushehr, Gilan, Khorasan and Tehran provinces. Satisfaction letters of contract parties express their views about Sayol’s performance.
It is important to note that (authorized owners with signature permit) managing director and the head of board of directors have remained in their position since Sayol establishment.