Our Projects, Our Honors

Creating Access and Opportunity

Diversified Services, Unvarying Quality

Turning Ideas into Action

Developing Our People, Growing Our Business

History

Tunnel Sadd Ariana company was founded in 2007 with the cooperation of some accomplished managers based on their valuable experience acquired in multiple large-scale construction projects. This company obtained the highest consultation and construction ranking from Iran’s Planning and Budget Organization. These certificates include grade 1 as a contractor in Water, Road and transportation, Building and structures, Installation and facilities, grade 3 in Land exploration, grade 4 in Energy, grade 5 in Industry and mine, and Oil and gas. The company holds grade 1 in consultation services besides designing and roads construction and also has a mine qualification from the Ministry of Industry, Mine and Trade. Continuing its rapid progress throughout the years after its establishment, this company became a successful and pioneer contractor with various branches. This achievement is due to its focus on providing outstanding services, professional commitment, unrelenting endeavor, continuous quality enhancement, customer-oriented policies, reducing costs and construction time, applying modern methods and technologies, and employing experienced personnel.

Innovation

The Research and Development Department of Tunnel Sadd Ariana, with the aim of meeting future technical and engineering challenges, intends to take an effective step in the company's development by utilizing the potential of knowledge-based companies, research, and dissertations of academics and students at all levels.

Press

Please click to review the press regarding Tunnel Sadd Ariana company

Tenders

Tunnel Sadd Ariana’s suppliers play a significant role in the success of delivering high-quality projects at the best cost and at the agreed time. Our supply chain management engages the suppliers in worldwide projects and business activities through transparent procurement practices. Before working with Tunnel Sadd Ariana, all suppliers are subject to a qualification process and expected to adhere to our business ethics and values. These include our standards for health and safety, human and labor rights, environment, quality management, business integrity, and corporate social responsibility.

Projects list as General Contractor

As a world-leading international contractor with almost 15 years of experience, Tunnel Sadd Ariana company is undertaking some of the world’s largest and most complex projects. We work across Middle Asia and Iran. Every project we deliver is an opportunity for us to bring our unique mindset, problem-solving skills, and innovation to our clients and beyond. Our operations span a range of sectors, including Water and Environment, Transportation, Energy, Mining, and Urban Development.

Services

We are passionate about applying our ingenuity to everything from major projects that improve The Iranian and Middle Asia’s national infrastructure to local and regional projects that help build lasting communities. We achieve this by sharing our knowledge and expertise and adopting thoughtful approaches. We pride ourselves on our attention to detail, learning from experience, and ensuring excellence in everything we do. We engage our people and partners to add value for our customers and the communities that we serve.

Projects

All projects: 45

Completed Projects: 21

Projects in progress: 24

Human resources: 2000

Republic of Tajikistan

Construction of dam intake structure of Rogun dam and HPP in the Republic of Tajikistan

Start date: 15-07-2021

Due date: 31-12-2025

Islamic Republic of Iran

Strengthening of railway bridges on the Bafgh-Bandar Abbas axial railroad (second segment) in order to increase load bearing capacity

Start date: 17-01-2015

Due date: 02-07-2018

Islamic Republic of Iran

Rehabilitation of 180 km of railways in the regions of North, Tehran, Isfahan, East, South, Yazd, and Northeast (1)

Start date: 25-01-2023

Due date: 21-06-2023

Islamic Republic of Iran

Executive operations of the remainder of Khomein-Aligudarz road’s second lane

Start date: 01-11-2021

Due date: 29-04-2025

Islamic Republic of Iran

Construction of commercial-administrative building in Karaj

Start date: 01-05-2021

Due date: 11-03-2025

Republic of Kazakhstan

Construction of irrigation and drainage system of Makhtaaral-1b

Start date: 25-01-2023

Due date: 11-03-2024

Republic of Kazakhstan

Construction of irrigation and drainage system of Arys-Turkestan-1

Start date: 25-01-2023

Due date: 31-12-2024

Republic of Kazakhstan

Construction and installation works on Improvement of Irrigation and Drainage System of Pravoberezhny Magistral Canal (PMC)

Start date: 02-01-2024

Due date: 31-12-2024

Republic of Tajikistan

Replacement of main water pipelines of Dushanbe City

Start date: 17-03-2022

Due date: 25-04-2024

Republic of Armenia

"Engineering Citys" Engineering Business Accelerator Building,Decorative Poll and Video Surveillance and Telecommunication Systems Construction

Start date: 04-07-2024

Due date: 09-07-2023

Islamic Republic of Iran

Construction of Rahim abad-kolachay Road axis in the vicinity of Barajin road ( KM 4+500 to KM 9+000)

Start date: 02-07-2024

Due date: 28-11-2024

Islamic Republic of Iran

Construction of Kameh water transfer tunnel and its hydraulic structures under EPC condition

Start date: 30-04-2023

Due date: 28-04-2025

Iran

Executive operation of construction of َAsalem tunnel to Khalkhal

Start date: 28-09-2023

Due date: 27-09-2027

Iran

Construction of a large petrochemical restaurant in Bandar Imam

Start date: 23-08-2023

Due date: 25-08-2025

Iran

The construction project of non-level intersection of the first floor of Rajai Shahr in the form of design and construction (EPC)

Start date: 02-07-2024

Due date: 19-04-2025

Armenia

Reconstruction of about 21km road from Agarak to Vardanizor; Construction of about 11 km road from Vardanidzor to tunnel exit(Tranche 4)

Start date: 03-07-2024

Due date: 05-02-2027

Iran

Golshan sports complex

Start date: 02-07-2024

Due date: 21-05-2025

Iran

Shemiran Wrestling house complex

Start date: 02-07-2024

Due date: 19-11-2025

تانزانیا

Construction of Eyasi Dam

Start date: 02-07-2024

Due date: 28-10-2025

Iran

Complex Eyvanak

Start date: 09-07-2024

Due date: 30-04-2025

Takab

Zarshoran gold mine

Start date: 10-07-2024

Due date: 10-07-2027

Tanzania

CONSTRUCTION OF GODEGODE BRIDGE

Start date: 29-08-2024

Due date: 08-02-2026

Iran

Preparation, construction, transportation and implementation of precast concrete pile driving operations of chlor-alkali unit.

Start date: 02-11-2024

Due date: 10-06-2025

Iran

Development of Baytrans 63.20 KV industrial substation in Dilijan 2

Start date: 16-11-2024

Due date: 27-01-2027