DLM which stands for Dock Leveler Manufacturing is a division of Systems Inc.. As part of System Inc.'s network of companies, they have a respectable nationwide presence as a dock equipment provider. DLM manufactures pit style dock levelers with either mechanical, hydraulic, or air powered systems; for hydraulic and air powered levelers, they have barrier lip safety options. In addition to pit levelers, mechanical and hydraulic edge-of-dock levelers are considered to be their leading products. Another economical dock solution available is DLM's top-of-dock levelers. These offer dock efficiency at a fraction of the cost of a pit leveler. Safety is a high priority at DLM, with a full line of safely products. They offer vehicle restraints, a dock communication system called Dock Alert, and safety barriers.