[1] Descon is active in UAE, Qatar, Saudi Arabia, Kuwait, Oman, Iraq, and South Africa.

[2] It was founded in 1977 by Abdul Razak Dawood as Design Engineering and Construction Services (Descon) with an investment of Rs.

[2] In 1981, it received a four-year project of National Refinery which helped the company to expand.

[2] In 1982, Descon expanded to regional countries, where it helped a Saudi company and afterwards got a small project in Abu Dhabi.

[4] In 2018, Descon expanded its footprint into South Africa by acquiring 26 percent of Plant Design and Project Services (PDPS), an engineering firm there.