Sarakhs Border Bridge
Khorasan razavi province
Towchal's Grades
Towchal Engineering Company is a reputable firm recognized for its specialized capabilities in infrastructure and development sectors. With an official registration and solid track record, Towchal holds the following classifications:
Grade 1 in Roads & Transportation
Fully certified for the design and execution of large-scale transportation projects, including roads, highways, and bridges.
Grade 3 in Facilities
Qualified in executing electrical, mechanical, and building service systems for industrial and public facilities.
Grade 5 in Power
Certified to carry out small-scale power distribution and energy infrastructure projects.
Grade 2 in Buildings
Trusted for delivering mid-to-large scale residential, administrative, and commercial buildings.
Grade 4 in Water
Engaged in moderate-scale water projects such as piping systems, water storage, and hydraulic structures.
A Different Way to Build with Towchal
With over 60 years of expertise, Towchal delivers integrated construction services powered by skilled teams, advanced machinery, and a commitment to engineering excellence.
Road & Highway Construction
We specialize in the design and execution of major highways, ring roads, and access routes across urban and remote regions.
Structural Development
From airport systems to commercial towers, we handle residential and industrial structures with precision and care.
Bridge & Tunnel Engineering
Towchal has a proven record in delivering technically complex bridges and tunnels, including the Sarakhs border bridge and intercity tunnels.
Fleet of 300+ Machines
We own and operate over 300 heavy construction machines, including graders, rollers, cranes, and tunnel equipment for all project scales.
Towchal's Important Projects
About Project locationKhorasan Razavi province - Sarakhs CityClientMinistry of Roads and Urban DevelopmentConsultantPooner Road Construction Consultants LIVE PREVIEW LIVE PREVIEW
About Project locationTehran province - FiruzkuhClientMinistry of Roads and Urban DevelopmentConsultantPassilo Consulting Engineers LIVE PREVIEW LIVE PREVIEW
About ProjectThe Dezful-Amir Koy Fourth Hunting Base Project, carried out between 2014 and 2018, involved the construction of 450 residential units and encompassed extensive civil engineering work. The substructure covered an area of 45,000 square
About ProjectThe construction of mechanical and electrical installations at Imam Khomeini International Airport (IKIA) has been integral to its development as Iran's premier aviation hub. locationTehran ProvinceClientImam Khomeini AirportConsultantImen rah consulting engineers LIVE PREVIEW LIVE
Towchal's Awards & Certificates
About Towchal
Towchal Construction Company, established in 1958, is one of Iran’s oldest and most experienced infrastructure contractors. With more than six decades of operational history, Towchal has been at the forefront of delivering critical civil and industrial projects including roads, tunnels, bridges, and large-scale residential and commercial buildings. The company is recognized for its role in shaping national infrastructure and supporting urban development across various provinces.
Towchal proudly holds Grade 1 in Roads and Transportation, and is certified in ISO 9001, ISO 14001, and OHSAS 18001. Its portfolio includes major projects such as the Firoozkooh–Damavand highway, Imam Khomeini Airport MEP systems, Sarakhs border bridge, and the Bahar Commercial Complex in Tehran. With a highly skilled technical team and strategic use of modern technologies, the company is equipped to manage both public and private sector megaprojects.
At the heart of Towchal’s success lies its commitment to engineering value, safety, and quality. The company operates a fleet of over 300 heavy machines, enabling rapid mobilization and cost-effective execution. Whether delivering EPC, EPCF, or BOT projects, Towchal continuously invests in talent, innovation, and sustainability to meet the evolving needs of Iran’s infrastructure development.





