IDEAL Fensterbau Weinstock GmbH
     Tel +49(0)6541.83800, fax Tel +49(0)6541.4927
     info@ideal-fensterbau.de, www.ideal-fenster.de

Ift-Rosenheim GmbH
     Tel +49(0)8031.261-0, fax +49(0)8031.261-290
     info@ift-rosenheim.de, www.ift-rosenheim.de
     Research, certification, training, testing of windows, facades, doors, gates, glass, building materials
     Participant of the special show “frontal gegen Klimawandel!”

Ilksen Metal PVC akssurlari San. Tic Ltd. Sti.
     Tel +90(0)212.6726465, fax +90(0)212.6723540
     info@ilksenmetal.com, www.ilksenmetal.com
     PVD accessories for windows and doors

IN. PA. TECH. srl
     Tel +39.0331.987586, fax +39.0331.984217
     info@inpateck.com, www.inpatech.com
     Windows and frames automatic painting robot

Indumasch Eberhard Sting GmbH & Co.
     Tel +49(0)271.25049-0, fax +49(0)271.25049-49
     info@indumasch.de, www.indumasch.de

Initiative ProHolzfenster e.V.
     Tel +49(0)700.47438835, fax +49(0)700.47438329
     info@proholzfenster.de, www.proholzfenster.de

Innoperform GmbH
     Tel +49(0)35932.3592-0, fax +49(0)35932.3592-92
     news@innoperform de, www.innoperform.de
     Participant of the special show “frontal gegen Kliawandel!”
     REGEL-air ventilation systems for windows, JUSTA window adjusting anchor

INOTHERM d.o.o.
     Tel +386.8.200-1525, fax +386.8.200-1527
     lesar@inotherm.si, www.inotherm.com

Inoutic/Deceuninck GmbH
     Tel +49(0)9422.821-0, fax +49(0)9422.821-107
     Hermann.wittenzeller@inoutic.com, www.inoutic.com
     PVC profile systems for windows, doors, roller shutters, conservatories and facades

Institut fyr Holztechnologie Dresden grmeinnutzige GmbH
     Tel +49(0)351.4662-0, fax +49(0)351.4662-211
     info@ihd-dresden.de, www.ihd-dresden.de