First National Operation and Maintenance Co. Ltd provides O&M services to the public and private sector.It is providing high quality Operation & Maintenance services for power production and water desalination projects, regionally and worldwide.It is the largest private sector potable water producer using desalination process in the world. It contributes 40% of water and 15% of electricity of total Saudi Arabia’s Demand. It offers operation and maintenance services for large capacity HP boiler and steam turbine based power plants, gas turbines simple and combined cycle power plants.