ENAR Petrotech Services (Private) Limited (ENAR) was formed in 1972 as a division of National Refinery Limited (NRL). In July 1974 the Division was converted into a Private Limited Company.

ENAR is a multi-discipline integrated design engineering organization in Pakistan which has been involved in various phases of the oil & gas sector projects implementation from development/ planning to design engineering, execution, start-up and commissioning.

ENAR is providing project development/planning, design engineering, procurement assistance, site supervision and project management services for projects in petroleum refining, oil & gas processing, storage and cross-country pipelines, chemicals, petrochemicals, fertilizers and other related sectors.

ENAR specialized in process engineering and over the span of almost three decades it has been involved in all major oil & gas sector projects.