Qatar Petroleum (QP) - The state- owned Petroleum Company is set to be the largest gas producer in the world. Operations range from exploration and drilling to production, refining and distribution of oil, gas and by-products to the world markets.

Mesaieed Industrial City (MIC) - One of the two Industrial Cities in Qatar, it is cCurrently being developed as Qatar’s main port of operation with future plans to make it a business park for corporations and industries.

Qatar Fuel Additives Company Limited (QAFAC) - Qatar Fuel Additives Company Limited (QAFAC) was established as a Qatari joint stock company to build, own and operate facilities in Mesaieed, Qatar for the production of methanol and methyl tertiary butyl ether (MTBE) for sale to customers worldwide.

Ras Laffan Industrial City (RLC) - Ras laffan Industrial City, a directorate of Qatar Petroleum, is a multi purpose, multi-dimensional industrial city, which operates an industrial port and provides integrated services as well as several industrial facilities to existing industries and prospective investors.

SEEF - SEEF Limited owns a Plant to produce Linear Alkyl Benzene (LAB), a hydrocarbon based Petrochemical material used for manufacture of detergents.

RasGas - Ras Laffan Liquefied Natural Gas Company Limited leads creation of a liquefied natural gas (LNG) export industry in Qatar.

Qatar Petrochemical Company (QAPCO) - QAPCO was established in 1974 as a joint multinational venture to utilise the associated and non-associated Ethane gas from petroleum production in line with the industrialization plan of the State Qatar. it is one of the Companies located in the Mesaieed Industrial City (MIC), producing fertilizers, steel, refined petroleum products and natural gas liquids. QAPCO plant is situated on the seacoast with jetty facilities and exports its entire range of products worldwide.

ORYX GTL - Rising from the desert with great speed and efficiency is the gas to liquids production facility, ORYX GTL, a joint venture between Qatar Petroleum (51%) and Sasol of South Africa (49%). The first of a series of planned GTL production facilities that will deliver on the declared ambition of the State of Qatar to become the GTL capital of the world.

Qatar Fertilizer Company (QAFCO) - A joint- venture company, QAFCO has become one of the main producers and exporters of ammonia and urea in the world.