Alle Firmen mit dem Anfangsbuchstaben I
- Ing. Josef Geyder Metalltechnik GmbH
- Ing. Josef halter GmbH & Co KG
- Ing. Josef Hutterer GmbH
- Ing. Josef Koch Zimmerei- gesellschaft m.b.H.
- Ing. Josef Kotzinger Holding GmbH
- Ing. Josef Pacher GmbH
- Ing. Josef Perkovic GesmbH
- Ing. Josef Riegler Verpackungstechnik GmbH
- Ing. Josef Riegler Verpackungstechnik GmbH & Co KG
- Ing. Josef Stanitz
- Ing. Josef Winkler Gesellschaft m.b.H.
- Ing. Julia Wiederer GmbH
- Ing. Jungreithmeier Johannes
- Ing. Jurnecka Peter
- Ing. Jusic Fahrudin
- Ing. Juster Johannes
- Ing. Jäger Michael Bartholomäus
- Ing. Jägersberger Manfred
- Ing. Jöbstl Rupert
- Ing. Jöbstl Wolfgang
- Ing. Jölli Lucas
- Ing. Jörg Hans Jürgen
- Ing. Jürgen Fischer
- Ing. Jürgen Heiligenbrunner KG
- Ing. Jürgen Manschein e.U.
- Ing. Jürgen Pfalz
- Ing. Kabusch Robert
- Ing. Kaderabkova Martina
- Ing. Kafeder Andreas
- Ing. Kager Martin
- Ing. Kahles Peter
- Ing. Kahn Armin Franz
- Ing. Kahr Manfred
- Ing. Kaiblinger Markus
- Ing. Kain Wilhelm Stefan
- Ing. Kainer Michael Alexander
- Ing. Kainz Ronald Christoph
- Ing. Kainz-Pauscha Stefan
- Ing. Kaiser Michael
- Ing. Kalcher Walter
- Ing. Kalliwoda Gerald Theodor
- Ing. Kalliwoda Guido Michael
- Ing. Kalteis Birgit
- Ing. Kaltenbrunner Daniel
- Ing. Kaltenböck Clemens
- Ing. Kaltseis Markus
- Ing. Kaluza Günther
- Ing. Kamenschak Arno
- Ing. Kammerer Wolfgang Franz
- Ing. Kanatschnig Werner Peter
- Ing. Kandasi Kemal
- Ing. Kandolf Elmar
- Ing. Kantner Martin
- Ing. Kapeller Heimo
- Ing. Kaponig Konrad
- Ing. Kappl Clemens
- Ing. Kapusta Gerhard
- Ing. Karall KG
- Ing. Karall Martin Leopold
- Ing. Karg Thomas Franz
- Ing. Kargl Doris Ingeborg
- Ing. Kargl Felix Andreas
- Ing. Kargl Michael
- Ing. Karic Amar
- Ing. Karl Brandl
- Ing. Karl Frühwald GmbH
- Ing. Karl Frühwald GmbH
- Ing. Karl Frühwald GmbH
- Ing. Karl Frühwald GmbH
- Ing. Karl Frühwald GmbH
- Ing. Karl Hofer e.U.
- Ing. Karl KALTENBRUNNER - KFZ e.U.
- Ing. Karl Lukas Johann Ludwig
- Ing. Karl Michael Reinulf
- Ing. Karl Peter Pelikan Gesellschaft m.b.H.
- Ing. Karl Rehberger
- Ing. Karl Schuster GesmbH
- Ing. Karl Starkl KFZ-Landtechnik
- Ing. Karl Stöckl Gesellschaft m.b.H.
- Ing. Karl und Albert Kruch Gesellschaft m.b.H.