ADH Fine Hardware Co. (une division de Citywide Locksmiths Ltd.) est une entreprise familiale depuis 1986.

Quincaillerie de porteQuincaillerie d'armoire
Accurate Lock and Hardware (USA)Alno (USA)
Acorn (USA)Armac Martin (UK)
Adams Rite (USA/CANADA)Ashley Norton (USA)
Ashley Norton (USA)Atlas Homewares (USA)
Baldwin Hardware (USA)Baldwin Hardware (USA)
Bommer (USA)Belwith-Keeler (USA)
Buster and Punch (UK)Buster and Punch (UK)
Canadian Builders Hardware (CANADA)Canadian Builders Hardware (CANADA)
Classic Brass (USA)Carlisle Brass (UK)
Corbin Russwin (USA)Classic Brass (USA)
Deltana (USA)Du Verre (USA)
Canaropa (CANADA)Emtek (USA)
Eric Morris (USA)Ged Kennett (UK)
Emtek (USA)Hamilton Sinkler (USA)
Formani (THE NETHERLANDS)Hickory Hardware (USA)
Fritsjurgens (THE NETHERLANDS)Manzoni (USA)
FSB (GERMANY)Mathews Studios (USA)
Glynn-Johnson (USA/CANADA)Nest Studios (USA)
Gruppo Romi (ARGENTINA/SPAIN)Olaria (SPAIN)
Hamilton Sinkler (USA)Omnia (USA)
INOX (USA)PullCast (UK)
Ives (USA/CANADA)Rocky Mountain Hardware (USA)
KN Crowder (CANADA)Schaub (USA)
LCN (USA/CANADA)Studio Number 10 (UK)
Medeco (USA/CANADA)Sun Valley Bronze (USA)
Metal Style Bouvet (CANADA/FRANCE)Top Knobs (USA)
Norton Door Controls (USA)Valli & Valli (ITALY/USA)
Nostalgic Warehouse (USA)Vesta (USA)
Olaria (SPAIN)Water Street Brass (USA)
Omnia (USA)
Quincalux (BELGIUM)Accessoires de bain
Rixson (USA/CANADA)Baldwin (USA)
Rocky Mountain Hardware (USA)Canadian Builders Hardware (CANADA)
Samuel Heath (UK)Emtek (USA)
Sargent (USA/CANADA)Hamilton Sinkler (USA)
Schlage (USA/CANADA)Rocky Mountain Hardware (USA)
Simonswerk (GERMANY/USA)Sun Valley Bronze (USA)
SOSS Door Hardware (USA)
Sun Valley Bronze (USA)
Turnstyle Designs (UK)
Valli & Valli (ITALY/USA)
Von Duprin (USA/CANADA)
Water Street Brass (USA)
Weiser (USA)
Yale (USA/CANADA)