Zero International Inc.
UNIGEAR integrated door hinges spreads stress along the full length of the door and frame, dissipating kick-back and impact shock while maintaining smooth, effortless door swing. Heavy-gauge, aluminum alloy with self-lubricating Delrin support blocks. For doors up to 9 feet, with fire-rated option.
SC Johnson Professional: Alcare Extra with OPTIDOSE
Horton Automatics: BH Slider
Kimball International: Shore
Protimeter: Aquant
Sensaphone: Sentinel PRO