Water & Environmental Systems Est. has also ventured into the realm of manufacturing: commercial, industrial
and large residential RO units are produced at its factory in Dammam.
In mid 2000, after it was granted an industrial manufacturing license by the
Ministry of Industry allowing it to manufacturecommercial RO systems, WESE
signed a license agreement with Aquion L.P. to manufacture brackish water reverse
osmosis plants using the brand name RainSoft.