Mazoon United Co. L.L.C. is an Omani company, which was established in 1971 as a Steel Fabrication Company for Design, Fabrication & Erection of Industrial Sheds, Ware-houses,Factories, Alloy Steel & Stainless Steel Piping for Chemical, petrochemical and other Allied Industries. Tanks of various types and capacities (underground and above the ground) for PDO contractors, Shell , Decorative Grills, Gates, Towers and many other related steel fabrication activities.