PDIL is a strategic alliance of two leading companies Enerflex Systems, Canada and Descon Engineering Ltd., Pakistan. Enerflex' Production & Processing Division, (formaly known as Presson-Enerflex) is a leading supplier of products and services, to the global oil & gas production industry.

PDIL derives strength of engineering and conceptual design from Enerflex; fabrication and construction from Descon and blends it with its Engineering, Project & Construction Management, Procurement and Commissioning expertise of qualified and motivated team of professionals to offer its customers cutting edge technology, premium quality & price competitiveness.