Tunnel Sadd Ariana is a renowned construction brand that was established in 2007 by a team of accomplished managers who had extensive experience in large-scale construction projects. The company has achieved the highest consultation and construction ranking from Iran's Planning and Budget Organization. With a focus on providing outstanding services, professionalism, and continuous quality improvement, Tunnel Sadd Ariana has become a pioneer contractor with various branches.

They offer a wide range of services, including water and environment projects such as dams, flood protection systems, and water treatment plants. They are also involved in transportation projects like road and bridge construction, tunneling, and airport infrastructure. In addition, Tunnel Sadd Ariana specializes in urban development, energy projects, and mining infrastructure.

The company is known for its commitment to reducing construction costs and time while utilizing modern methods, technologies, and experienced personnel. Tunnel Sadd Ariana's dedication to excellence has earned them numerous certificates and awards, making them a trusted and reliable partner for any construction project