QatarEnergy(QE) is the Qatari national oil and gas producing, processing, and exporting company. Oil and gas-producing fields are situated onshore at Dukhan on the western coast of Qatar, and offshore on the eastern coast. Onshore Dukhan is an oil and gas field extending over an area of approximately 80×8 km and is located about 80 km to the west of Doha. It produces crude oil, associated gas, condensate and non-associated gas.

Mannai Energy (Formerly recognized as Engie Cofely Mannai) was awarded the QatarEnergy-Dukhan contract for maintenance and replacement of HVAC refrigeration equipment on a call-off basis in Dukhan Fields. Mannai Energy provides all aspects of services associated with the management, operations and maintenance services on a 24/7/365 coverage.