TARH-O-TAKVIN was founded in 1980 and registered in companies’ registration administration by number 143372. The consultant engineering fields consist of prime consulting and project management in Architecture and Urban Planning. The firm is part of a group of companies with acknowledge expertise in Mechanical, Electrical, Structural and Architectural engineering, prime consulting and project management.

Source:

Tarh-o-Takvin Engineers. "About. Activities." Accessed March 7, 2016.