Founded in 1984, D.M.S. Building Maintenance Service Inc. is a full-service office cleaning company offering janitorial services for commercial buildings of all sizes. Based in Brea, Calif., the firm offers hard floor and carpet cleaning service as well as construction cleanup. It also renders window cleaning, pressure washing, parking lot sweeping, concrete/warehouse auto scrubbing and tile/grout cleaning. In addition, D.M.S. Building Maintenance Service Inc. caters to a range of market segments, such as office buildings, churches, schools and financial institutions as well as manufacturing and industrial sectors.