Mesaieed Petrochemical Holding Company Q.P.S.C., together with its subsidiary, engages in the manufacture and sale of petrochemical products in Qatar. It produces polyethylene, 1-hexene, normal alpha olefins, other ethylene derivatives, caustic soda, ethylene dichloride, vinyl chloride monomer, and other petrochemical products. The company was incorporated in 2013 and is based in Doha, Qatar. Mesaieed Petrochemical Holding Company Q.P.S.C. is a subsidiary of QatarEnergy.