Limited Space! The problem exists in most offices today. MDC-UM has mastered the art of efficiently using limited space by offering various storage options that organize office files and equipment into functional Units, some of which include: Lateral and Vertical Filing Cabinets constructed with reinforced steel and full-extension file drawers; Mobile Pedestals and Lockers - available in an assortment of colours; Shelve-IT Units which easily house anything from books to tools.