1989
- Start of functioning as engineering/Planning Departments of OIEC(Bandar Abbas & Arak refineries)
1996
- Establishment as an EP Contractor (midstream & downstream affiliate of OIEC)
Completing engineering services of OIEC contracts, while starting signing independent contracts
- Entering in South Pars Gas Field Development Projects in Assaluyeh, Persian Gulf Basic of Phase-1(OIEC-John Brown project), continued with Detail of phases 9-10; 17-18; 20-21
1998
- First (EP) Contract with Foreign Company Cooperation Amir Kabir 6th Olefin Plant with Linde AG
1999
- First Foreign Project Turkmenistan gasoline Refinery, Detail & procurement services
- ISO 9001 Certificate Re certified 2015
2002
First MC Project Awarded 4th Aromatic, Borzuyeh with Foster Wheeler
2004
- First EPC Project Awarded Ilam HDPE with MES Japan
2005
- Reaching above 500 employees
2007
- First above $300 million Project
Tabriz new gasoline plant-EPC
2011
- Establishment of EIED Knowledge Management Website
2013
- Petrochemical Project Management Excellence Certificate Awarded (3 stars)
2015
- Arvandan GOSP First Train (55.000 BPD) Start-Up
2016
- Final Acceptance Certificate of ILAM HDPE
- Final Acceptance Certificate of Tabriz Refinery Gasoline Production Unit
- Arvandan GOSP Second Train (55.000 BPD) Start-Up
2017
- Petrochemical Project Management Excellence Certificate Awarded (5 stars)
- Arvandan GOSP Third Train (55.000 BPD) Start-Up
2018
- Second Ethan Recovery & Olefin Plants & Off-site Awarded
- CO, H2 Generation Plant HYCO Awarded
- Aryasasol Olefin Plant De-bottlenecking & Capacity Increasing Project Awarded
- Dehloran Olefin Plant, Utilities & Offsite Awarded
- KPRC Olefin Plant Awarded
- Kheirgoo Gas Compression Stations
- EIED’s new HQ building Opened
2019
- Dehloran Olefin Project Awarded
- Kian Olefin Project Awarded
2019 – December
- Kangan HDPE/LLDPE Plant Awarded
2020
- Gachsaran PC HDPE
- BandarAbbas – Sirjan Pump Stations
- Inauguration of the Ilam Sulfur Removal Project
- Awarded Ragsefid Gas Compressor Station (EPC)
- Awarded Craking Furnace (EPC)
2021
- TABRIZ HDPE PLANT
- C2 Recovery & Fractionation Plant Start-Up
