Gretsch-Unitas GmbH - Offers a range of construction fittings and security equipment for windows and doors.
http://www.g-u.de/ more info...
GU Polska sp. z o.o. - Offers a range of construction fittings and security equipment for windows and doors.
http://www.gupolska.pl/ more info...
Häfele GmbH & Co KG - A supplier of furniture fittings, architectural hardware and electronic locking systems.
http://www.haefele.com/ more info...
Sidler GmbH & Co. KG - A developer and manufacturer of comfort and safety components in the areas of interior lighting and interior trim.
http://www.sidler.de/ more info...
