Supreme Maintenance Organization, founded in 1989, is one of the leading contract firms, offering cleaning services to residential and commercial customers. The services offered by the company include routine janitorial, event cleaning, restroom restoration, seal grout and window maintenance, pressure washing, and day porter services. It also provides restroom supplies, carpet and upholstery cleaning, marble restoration, and post-construction services to customers. The company also provides maintenance schedules, work orders and nonroutine cleaning tasks. It offers its services to various offices, hospitals, industrial facilities, arenas and stadiums, schools and institutions throughout North Carolina. Supreme Maintenance Organization is affiliated to the Building Service Contractors Association International, and is headquartered in Greensboro, N.C.