REKAS is fundamentally a water treatment company offering design supply erection commissioning and testing of water treatment plants, RO Stations Reverse Osmosis plants, Grey water treatment plants, Sewage Treatment Plants , Sludge dewatering systems, Effluent treatment plant, Sand filters, Activated carbon filters, UV , Ozone , Water Storage tanks in Stainless steel carbon steel water tanks and GLS GRP Tanks Silos etc in Saudi Arabia .