ENAR has played a vital role in development of petroleum sector of the country, during its over three & half 3 ½ decades existence, ENAR has been involved in almost all major projects such as NRL's Revamps, OGDCL's Qadirpur, Dakhni, Uch Gas Processing Plant Projects, Qadirpur Compression Project, PARCO's White Oil Pipeline Project and PARCO's Mid-Country Refinery etc.

• Apart from executing the various oil/gas projects, ENAR has been extensively involved in energy/ petroleum sector planning and project development activities
• ENAR has also carried out an assignment in Bangladesh. The assignment required preparation of a Bankable Feasibility Study of Eastern Refinery Limited (ERL) BMRE Project. The funds for the Study were provided by Islamic Development Bank (IDB).
• ENAR has remarkable achievement toward national importance project of OGDCL's Qadirpur Interim Compression Project. In view of significance of Qadirpur Interim Compression Project ENAR workforce has put concerted and extraordinary efforts for the completion of this project with given time-frame (six months) of immense national importance, in order to bridge the energy supply-demand gap and to meet the country's vital energy needs.
• ENAR has also privileged to successfully carryout a study for development of Vision & Feasibility of for setting up Petrochemical Production Facilities in Pakistan with collaboration of international firm of UK. Ministry of Industries & Production (MOIP) was sponsor of the Study through Pakistan Industrial Development Corporation (Pvt.) Limited (PIDC). The Study aims to determine an optimum scheme and size of petrochemical facilities based on available feedstock (e.g. Naphtha, Associated Gases & Molasses Ethanol) and competitiveness of Pakistan's facilities vis-à-vis upcoming processing facilities in the region.
• ENAR's main achievement is recognition of its design engineering and consultancy capability by various organizations in oil & gas sector and its contribution to to national importance project is a glorious and justified ingredient of its existence.