MANWEIR LLC, established in 1976, is a wholly owned subsidiary of Mannai Corporation QSC which is listed on the Qatar Exchange since August 08, 2007. Initially associated through a management and technical agreement with Weir Pumps of Scotland, Manweir’s services are geared primarily to serve the Oil & Gas sectors including Petrochemical, Fertilizers, Marine & Power generation industries in Qatar and neighboring GCC states.