Alle Firmen mit dem Anfangsbuchstaben I
- Ing. Knapp Otto Josef
- Ing. Knapp Sylvia
- Ing. Knausz Werner
- Ing. Kneidinger Peter
- Ing. Kneis Andreas
- Ing. Knezevic Dragan
- Ing. Kniewasser Siegfried
- Ing. Knittel Marlies
- Ing. Knoflach Hans
- Ing. Knoll Andreas Maximilian
- Ing. Knopf Herbert
- Ing. Knopf Jürgen
- Ing. Knöbl Martin Peter
- Ing. Knöchl Leopold
- Ing. Kobel Oliver
- Ing. Kober Florian
- Ing. Kober Magdalena Astrid
- Ing. Koblinger Christian Gerhard
- Ing. Koboltschnig Gerwin Urs
- Ing. Koch Andreas
- Ing. Koch Andreas
- Ing. Koch Christoph Jörg
- Ing. Koch Gerd
- Ing. Koch GmbH
- Ing. Koch Heinz
- Ing. Koch Peter
- Ing. Kodal Patrick
- Ing. Koffler Stefan Martin
- Ing. Kofler Bau GmbH
- Ing. Kofler Georg
- Ing. Kogelmann Christian Franz
- Ing. Koglbauer Bernhard
- Ing. Kogler Bernd
- Ing. Kogler Daniel
- Ing. Kogler Felix
- Ing. Kohl Martin
- Ing. Kohlbacher Werner
- Ing. Kohlert Bruno
- Ing. Kohlfürst Walter
- Ing. Kohlhofer Markus
- Ing. Kohli Sunpreet Singh
- Ing. Kohlmaier Michael
- Ing. Kohlroser Michael
- Ing. Kohnhauser Heinz
- Ing. Koinegg Martin
- Ing. Koini & Knefz GmbH
- Ing. Kokal Gernot
- Ing. Kolar Franz
- Ing. Kolbitsch Arno
- Ing. Kollenz Norbert
- Ing. Koller Gernot Josef
- Ing. Koller Johann Wilhelm
- Ing. Koller Lukas
- Ing. Koller Lukas Alfred
- Ing. Koller Patricia
- Ing. Kollmann Robert
- Ing. Kollmann Wilhelm
- Ing. Kollroß Martin
- Ing. Komari Peter Franz
- Ing. Koncilia Otto Gernot
- Ing. Konecny Markus
- Ing. KONECNY RADOVAN
- Ing. Konetschnig Christoph
- Ing. Konrad Stefan Gesellschaft m.b.H.
- Ing. Konst GmbH
- Ing. Kopal Mario
- Ing. Kopatschek Wolfhard
- Ing. Kopeszky Andreas
- Ing. Kopetzky Christian
- Ing. Kopetzky MSc Michael
- Ing. Kopfer Thomas Josef
- Ing. Kopp Emanuel Edwin
- Ing. Koppelhuber Werner
- Ing. Koppensteiner Melanie
- Ing. Kopper Gerald
- Ing. Koppitsch Rudolf
- Ing. Koral Walter
- Ing. Korber Richard
- Ing. Koren Fabian
- Ing. Kores Markus Marian