Manufactures and supplies architectural door and window hardware under the ARRONE brand, including overhead door closers, floor springs, emergency exit devices, mortice lock cases, hinges and accessories. ARRONE door closers are supplied CE/UKCA marked to BS EN 1154 at power size 3 and above as required for fire doors, with exit devices to BS EN 179 and BS EN 1125. The UK business was founded in 1988 and operates from Gailey Park.