installation maintenance and repair of doors, door hardware and related goods

hydraulic door closers, hydraulic floor closers, hydraulic door coordinators comprising door closers and door holders, and hydraulic floor coordinators comprising floor closers and floor holders

annunciator panels, detector switches and relays for actuating an alarm, electric pivots for controlled opening and closing of doors, gates and other entry points, electric door control and monitoring panels, electromagnetic floor closers, electromagnetic door releases, electromagnetic door holders, electromagnetic locks, electromechanical door holders, electromechanical door holder/releases, electromechanical door holder/closers, electric key pad-operated locks, smoke detectors, motion detec...

door opening and closing components made of metal, namely bars, bolts, brackets, butts, bearings, nuts, metal ratchets, rings, shims, arm caps, screws and shells, door thresholds, and springs; mechanical door closers, and mechanical door coordinators comprising door closers, door stops, and door releases; door closer rods and shoes, valves, and covers and arms, all for door closers, door holders, and door controls; mechanical door holders, door holder/stops, threaded metal fasteners, mechanic...

[ DOOR AND CASEMENT HINGES, ] DOOR [ AND CASEMENT ] PIVOTS, [ CASEMENT HOLDERS AND OPERATORS, TRANSOM OPERATORS, ] DOORCHECKS (OVERHEAD AND FLOOR) [ , AND DOOR HOLDERS AND STAYS ]

Door and Casement Hinges, Door and Casement Pivots, Casement Holders and Operators, Transom Operators, Doorchecks (Overhead and Floor), and Door Holders and Stays