Tossar Cons. co.

Tossar Construction Company was founded in 1974 and is involved in public projects such as cooperation in the construction of airports, freeways, rail roads, main roads, renewal and repaving of asphalt concrete pavements, infrastructure, sewerage and water treatment plants, and buildings inside Iran and abroad. This company is qualified as a Grade 1 (highest rank) construction company by the Government of Iran for the construction of roads, buildings, and water-related infrastructure, and it has also fulfilled numerous national and international civil projects.

Tossar boasts an impressive track record and has established a remarkable legacy of accomplishments, including the construction of over 500 kilometers of freeways and highways, 360 kilometers of railway substructures, and 100 kilometers of railway superstructures. Additionally, Tossar has completed concrete works exceeding 1.3 million cubic meters and installed over 35,000 tons of steel structures.

The portfolio further encompasses the delivery of 2150 residential units, 30 tunnels totaling 15,000 meters, and bridges totaling 3000 meters in length (consider a 556-meter bridge with 10 spans up to 95 meters). Furthermore, Tossar participated in the construction of a wastewater treatment plant in Tehran, which is intended to cover a population of 4.2 million people (a quarter was built by Tossar), rehabilitated over 650 kilometers of roads, utilized 4 million cubic meters of hot mix asphalt, and installed 250 kilometers of different pipelines.

Tossar, with access to a vast array of resources, equipment, and experienced personnel who have worked with the company for years, is esteemed both in terms of its leadership and the quality of its work. It has gained the trust of employers in Iran, including the public and private sectors, and the attention of companies abroad to seek timely and high-quality project completion. 

Our contribution to construction

Tehran projects


Zanjan projects


Ardabil projects


Kurdistan projects


Semnan projects


Qom projects


Markazi projects


Isfahan projects


Yazd projects


Fars projects


Bushehr projects


Sistan and baluchestan projects


Dubai projects


International projects


  • Access Roads to Imam Khomeimi International Airport
  • Completion of bridges and access roads to Imam Khomeini international Airport
  • Implementation of optical fiber project between Saveh road and Imam Khomeini international airport control tower
  • Homa Airline Project in IKIA
  • Repaving of Seman Airport Runway


  • Mohajeran TownShip Infrastructure Works (Arak refinery plant)
  • Infrastructures for Customs warehouses of Imam Khomeini International Airport of Tehran
  • Fuel Reserves of Imam- Khomeini International Airport
  • Lightening works for some parts of Imam Khomeini International Airport of Tehran
  • Construction of administrative building and including M&E works for Saipa Kashan Co.
  • Construction of main boulevard with 45m and 80m-width and related infrastructures in Phase 4 of Parand New Town
  • Infrastructures and main roads construction for Phase 6 of Parand New Town (Kozo Co. Sites)
  • Infrastructures and main roads construction for 590-unit residential complex in Parand New Town

Asphalt & Rehabilitation

  • Saveh – Salachegan Main Road – Asphalt (61.5 km)
  • Shahrood – Sabzever Main Road – Asphalt (lot 2 - 30km)
  • Nikpey-Mahneshan Asphalt Paving (Lot 1 - 13.5km)
  • Nikpey-Mahneshan sub base layer and Asphalt Paving (Lot 2 - 17km)
  • Asphalt & rehabilitation of more than 450 km of existing main and secondary roads in the country

Main Roads


  • Construction of 590-unit residential complex in Parand New Town
  • Construction of 580-unit residential complex in Parand New Town
  • Construction of dministrative building of Saipa Kashan Co.
  • Medical & Training Buildings in Hamedan, Malayer, Arak, Saveh Nahavand and Tehran
  • Oil Industry Personnel Residential Complex
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Time Management

manage and professional project management

Project management is one of the most important parts of construction and contracting companies. This important thing has been planned and implemented in Tossar company in a good way in the past years.

Tossar is an active member of following associations