EPC Company
CHAGALESH Construction Engineers
  • check Managing Director:  Mohammad Reza Afshar
  • check Date of foundation:  1981
  • check Phone:  (+9821) 88 80 47 70 – 88 80 47 77
  • check Fax:  (+9821) 88 80 47 78
  • check E-mail:
  • check Website:
  • check Address:  No. 2 Madjlesi St. Larestan St. Ostad Motahari Ave. Tehran 1595934615-IRAN
Company Motto

We Strive for a Better Future

  • Company Background
  • Areas of Activity
  • Human Resources
  • Achievements
  • Infrastructures
  • Previous Project List
  • International Cooperation

Company Background

Established in 1981, Chagalesh Consulting Engineers (private joint-stock), is an innovative company in the fields of design, engineering, procurement, construction and commissioning in the oil, gas and petrochemical sectors. The company succeeded in obtaining Grade 1 ranking for turnkey industrial projects from the Budget and Planning Organization of Iran in 1988 and has executed more than 240 oil, gas, petrochemical, pipeline and wellhead facility projects under the E, EP, EPS, EPC and EPCC contract regimes.


Areas of Activity

  • Refineries
  • Gas Industry
  • Oil & Gas Field Surface Facilities Development
  • Petrochemical Industry
  • Desalting Plants
  • Production Units
  • Engineering Packages (Feasibility, Basic Engineering, Detail Engineering, Procurement Engineering)
  • Mobile Oil Treater Services
  • Gas Injection Facilities
  • Oil & Gas Compressor & Pump Stations
  • Storage Tanks
  • Oil & Gas Transmission Pipelines
  • Sewage and Wastewater Treatment Plants
  • CNG Refueling Stations
  • Airport Fueling Facilities
  • Contract Management
  • Project Management
  • Management Consulting Services
  • Technical Assistance and Manpower Provision Services

Human Resources

With a work force of over 900 skillful engineers and experts, the company is spread across four buildings with an area of more than 6,000 m2.

Additionally, Chagalesh has established two warehouses and a yard with an approximate area of 10,000 m2 in Ahwaz. These facilities are used as the base for the company’s three Mobile Oil Treater (MOT) systems currently in service and storage areas for spare parts and material.



  • Execution of 240 projects in the oil, gas and petrochemical sectors, 225 of which have been successfully completed to date.
  • Chagalesh received the 1997 Kharazmi Prize for the innovative design and construction of the Mobile Oil Treater (MOT) system and safeguarding the environment.



The QHSE Management System in Chagalesh ensures compliance with safety, occupational health and environment legislation and regulation in the company’s offices and projects. Through the implementation of an integrated management system, this organization oversees Quality, Health, Safety and Environment (QHSE) as per the ISO9001, OHSAS18001, and ISO14001 standards.

Information Management System

CHCE has invested heavily in the ability to analyze data to ensure that design, engineering and project execution is optimized, trustworthy, traceable and reviewable by its clients.

Consequently, Chagalesh has designed a proprietary information management system (CPMIS), capable of providing online reports on documents, as well as the status of the said documents, workflows, project measurement processes (PMP), internal document distribution, lessons learned logs, value engineering reports, cost control reports, etc. to project managers and project team members, providing a real-time and up-to-date overview of active projects.

Using CPMIS, Chagalesh has obtained remarkable results throughout the execution of its projects, particularly during the design, engineering, construction, procurement, planning and cost control stages.


Previous Project List


International Cooperation

CHCE is regarded as a reputable engineering firm among reputable clients such as NIOC, NIGC, NPC, NIOEC and NIORDC.

Numerous projects have been executed in partnership with international firms such as BP, Shell, MHI, Foster Wheeler, SLP, Axens, Idemitsu, Daelim, Lurgi, Mitsui & Zimmer.

CHAGALESH Construction Engineers's Photo Gallery