Abdullah R. Abunayyan introduced the first diesel-powered turbine pump to Saudi Arabian farmers in 1950, and Abunayyan Holding was officially founded in 1952. The company today employs 4,500 people and has 14 subsidiaries, including Abunayyan Trading, Saudi Abunayyan Meters, Citiscape, WETICO, and Toray Membrane Middle East LLC. It operates across eight sectors: oil, construction, gas, water, transport, industrial, power, and chemical. In 2020, Abunayyan Holding formed a joint venture with EATON to provide customized integrated power solutions in the Middle East. The family also owns 50% of Vision International Investment Co, which owns 22.7% in ACWA Power, worth $7.8 billion as of August 2022.