Certificates and awards
Quality Management Standard - ISO 9001
Project Management Guide Standard - ISO 21502
Environmental Management Standard - ISO 14001
Occupational Safety and Health Management System Standard - ISO 45001
Bribery Management Standard - ISO 37001
Mining Incidents Standard - ISO 19434
Safety, Health, and Environmental Management Standard - HSE-MS
International Consultants and Contractors Association of Iran – Certificate of Membership
ertificate of Membership in the Employers' Association of Oil and Gas Engineering and Contracting Companies
Contractor-competency certificate from Planning and Budget Organization of Iran
Grade-1 Design & Construction Services Competency Certificate from Planning and Budget Organization of Iran
Certificate of technical & financial qualification of legal entities
Membership in the Iranian Construction Companies Syndicate
Membership Certificate of the Tehran Chamber of Commerce, Industries, Mines and Agriculture
Membership Certificate — Iranian Road Construction Companies Association
Certificate of Occupational Safety in Industries and Mines from the Department of Regulatory Services of the Government of the Republic of Tajikistan (1404)
Certificate of urban planning activity including buildings and structures from the Committee for Architecture and Construction under the supervision of the Government of the Republic of Tajikistan
Certificate for the use of weapons that pose a fire hazard in industries and mines from the Department of Regulatory Services of the Government of the Republic of Tajikistan
Contractor Qualification Certificate for Civil Engineering Works from the Tanzania Contractors Registration Board
First class qualification for construction works from the State Institution of the State Architectural and Construction Supervision Agency of Kazakhstan
Winner of the Special Award for Best Technical & Engineering Products and Services — Republic of Tajikistan
Commendation Letter for the Rogun Dam and HPP in Tajikistan
Certificate of Participation — IRAN EXPO 2023
Iranian Society of Consulting Engineers
Iran–Kazakhstan Joint Chamber of Commerce — Eurasia Trade Exhibition Trophy 2025
Best Provider of Technical & Engineering Products and Services — Tajikistan (Trophy Awarded to Tunnel Sadd Ariana)
Certificate of approval from Kazakhstan’s comprehensive evaluation as high-performance, stable, priority company for cooperation
Outstanding Company Award 2024 — Kazakhstan (Recognized as a Leading Supplier of Goods and Services)
Certificate of Appreciation for successful execution of the Nesa Dam Project in Kerman Province
Top Contractor Certificate in Armenia
Letter of Appreciation from SMEC
Social Responsibility Award — Takab Region
Appreciation Certificate from the Largest Charity Foundation in Kazakhstan for Ariana’s Humanitarian and Cultural Support
Letter of Appreciation from the Ambassador of Tajikistan in Iran
Appreciation Letter from the Ministry of Foreign Affairs of Tajikistan for the Embassy Renovation Project
Satisfaction Letter for Bagratashan Border Bridge Project
Appreciation Letter for Construction of the Shaghun–Zighar Road in Tajikistan
Commendation Letter from the governor of Makhtaaral district for assistance by Ariana during floods in Turkestan province
National Exemplary Exporter of 2017
Commendation Letter from the Association of Top Exporters of Iran — National Exemplary Exporter 2018
National Exemplary Exporter of 2018
Outstanding Exporter Trophy
National Exemplary Exporter of 2020
National Exemplary Exporter of Iran — 2021 (Year 1400)
National Exemplary Exporter 2022
National Exemplary Exporter 2023
Tehran Province’s Leading Exporter of the Year 2024–2025
National Exemplary Exporter 2024
Medalist Exporter of the Year 2025
Trophy for Exporting Technical & Engineering Services and Water–Power Industry Equipment
Outstanding Exporter Trophy and Commendation — Export Development Bank of Iran (2017)
International Transportation and Related Industries Exhibition Trophy — 2018 (Expo 2018)
National Exemplary Exporter 2017
National Exemplary Exporter 2018
National Exemplary Exporter 2019
National Exemplary Exporter 2020
National Exemplary Exporter 2021
National Exemplary Exporter 2022
National Exemplary Exporter 2023
National Exemplary Exporter 2024
Medalist Exporter of the Year 2025
Commendation Letter from Sepah Bank
Commendation Letter from the Ministry of Energy — Leading Exporter
Commendation Letter for the Sang Toode-1 Hydropower Dam Project — Tajikistan
Letter of Appreciation from the Ministry of Energy to the CEO of Tunnel Sadd Ariana Company for the Karun Dam 3 Construction Project
Commendation Letter from Karaj Municipality for the Kaj Interchange Construction Project
Commendation Letter from ICCIMA — National Exemplary Exporter 2017
Trophy for Exporting Technical & Engineering Services and Water–Power Industry Equipment
