Common MultiPoint Lock Brands are: Fuhr, HOPPE, Essve, Truth, G-U, Ferco, Winkhuase, Amesbury, Ashland, Assa Abloy, EmTek, Baldwin, and others. If you have all the information needed, and some good pictures we can usually help with replacements, otherwise please fill out a multipoint lock system worksheet and questionnaire and we will assist you in finding the best replacement lock system replacement for your door. Look Carefully .. most Multi-Point Door Lock Systems will have a name or Logo on the faceplate for some sort of ID help. The proper identification of your multipoint lock hardware is very important because of all the various types of locking devices: Hooks, Rollers, Roundbolts, Latch Bolts, Tongues, Shoot Bolts or a combination of any of these. Also Important is that units can be "proprietary" in nature - meaning they were specifically designed for a BRAND NAME DOOR .. Like Marvin or Integrity, Inswing or outswing, Sliding Patio Doors, Peachtree, Biltbest, Caradco, Craftline, Pella, Alenco, Therma-Tru, Eagle, Hurd, Kolbe, Lincoln, Malta, Norandex, Norco, Pozzi, Jeld-Wen, Rockwell, Seal-Rite, Semco, Vedder, Crestline, WeatherVane, Wenco, WheatherShield, Windsor, Acorn, PGT, Better-Bilt, Crestmark, MilGard, Phillips, Quaker and many others.