In 2017, Sustainable Environmental Works Co. Ltd ( Al-Mostadama ) acquired the western region branch of Saudi Environmental Works Company ( SEW ) which was established in 1993 as the largest environmental services and industrial waste management company in Saudi Arabia. The acquisition includes: the existing waste management facility located in Al Johfa / Rabigh with an area of 1 million m2 and all related assets, equipment’s, manpower, sponsorship and existing contracts.