Established in 1987, COSMA (Construction & Maintenance Services) began with a clear mission: to deliver specialized construction and preventive maintenance solutions tailored to the needs of Saudi Aramco’s community and industrial sectors.​

​Today, COSMA stands as a premier service provider, proudly partnering with some of the Kingdom’s most prestigious clients, including SASREF, SAMREF, LUBEREF, SEC, and the Royal Commission of Jubail & Yanbu. Our expertise spans across complex industrial facilities, plants, and refineries—consistently delivering quality, safety, and reliability at every stage.​

​With decades of proven performance, COSMA continues to set the standard in construction and maintenance excellence across Saudi Arabia.​