Kelley Atlantic, formerly a manufacturer of dock levelers and trailer restraints, has been driven by innovation since the early 1950s. They are now better known as Kelley (4Front) Entrematic - - boasting many industry firsts, they are credited with the first air-powered dock leveler, the first automatic wheel chocking system, and many more unique innovations. Brought together with many other major entryway automation companies under the parent company of Entrematic, Kelley meets other trademark brands such as Amarr and Dynaco to form an extensive network of dealers nationwide. Kelley offers edge-of-dock levelers (EOD),mechanical dock levelers, air-powered dock levelers, hydraulic dock levelers, as well as vertical dock levelers (VSL). In addition to the levelers, they provide quality restraints, controls, dock seals/shelters and dock doors by TKO.