Tunnel Sadd Ariana’s Credit Annual turnover of more than 125 million dollars Professional experience in implementing more than 40 projects with the least amount of construction site accidents Completing numerous projects and complying with employers' instructions Building a collaborative environment among employers, consultants, managers, and engineers Being awarded various international and technical certificates and testimonials Receiving the Exemplary National Exporter award of Iran in the engineering services category for three consecutive years (2017, 2018 and 2019) Performing projects in Iran, Tajikistan, Kazakhstan, Uzbekistan, Armenia, and Georgia