Products / Dock Equipment / Dock Levelers / ASSA ABLOY ASSA ABLOY Smoothly functioning entrances are a prerequisite for any business. To keep your entrances functioning at optimal levels, look to ASSA ABLOY Entrance Systems to provide superior products, innovative solutions, and incomparable service for the front, back and interior of your building. ASSA ABLOY DE-H Series hydraulic dock levelerPit-mounted hydraulic leveler with full control automation ASSA ABLOY DE-A Series Air-powered dock levelerPowered performance at a comparable cost to mechanical do… ASSA ABLOY DE-M Series mechanical dock levelerPit mounted, mechanical dock leveler