Since 1978, the firm involved in more than 700 various projects nationwide part of which serving oil, gas and petrochemical industries in a wide range of geotechnical and environmental services. These studies, carried out in different geographical location from Caspian Sea shore in the north to oil field and Persian Gulf Islands in the south.

• Amirkabir Petrochemical Co. in Bandar-e-Imam Khomaini
• Arvand Petrochemical Co. in Bandar-e-Imam Khomaini
• Fanavaran Petrochemical Co. in Bandar-e-Imam Khomaini
• Marun Petrochemical Co. in Bandar-e-Imam Khomaini
• Ghadir Petrochemical Co. in Bandar-e-Imam Khomaini
• Bou Ali Petrochemical Co. in Bandar-e-Imam Khomaini
• 3rd Ammonia Project  Co. in Bandar-e-Imam Khomaini
• Borzuyeh Petrochemical Co. in Asaluyeh
• Jam Petrochemical Co. in Asaluyeh
• Pars Petrochemical Co. in Asaluyeh
• Zagros Petrochemical Co. in Asaluyeh
• Mobin Petrochemical Co. in Asaluyeh
• South Pars Gas Field Development (phase 9 &10) in Assaluyeh
• PGTL Project in Asaluyeh
• Asaluyeh-Aghajari 56” Gas Transmission Pipeline Route
• Aghajari Gas Injection Project
• Tobnak  Gas Development project
• Kerman-Zahedan 24” Oil Pipeline Route
• Lorestan Petrochemical Co. in Khorram Abad
• Ilam Petrochemical Co. in Ilam
• Hegmataneh Petrochemical Co. in Hamedan
• Neka-Jask Oil Pipeline Route
• KhaliJ Fars Oil Refinery in Bandar-e-Abbas
• Hormoz Oil Refinery in Bandar-e-Abbas