Alle Firmen mit dem Anfangsbuchstaben I
- Ing. Karlovits Andreas
- Ing. Karlovits-Knittel Hubert Georg
- Ing. Karner Kristin
- Ing. Karner Markus
- Ing. Karol Vosyka Marika Vosykov Gesellschaft bürgerlichen Rechts
- Ing. Kasbauer Alois
- Ing. Kastner Markus
- Ing. Katter Markus Kurt Georg
- Ing. Kattner Josef
- Ing. Katzbauer Karl
- Ing. Katzlberger Sascha Ludwig
- Ing. Kauer Johannes
- Ing. Kauf Michael
- Ing. Kaufmann Franz
- Ing. Kaufmann Günther
- Ing. Kaufmann Horst Peter
- Ing. Kaufmann Manuel
- Ing. Kaufmann Martin
- Ing. Kaufmann Walter
- Ing. Kaulfersch Gerald
- Ing. Kaup Peter
- Ing. Kaya Volkan
- Ing. Kaymaz Turgay
- Ing. Kefeder Michael Herbert
- Ing. Keinrath Robert
- Ing. Kelmayr Hermann
- Ing. Kemetter Johannes
- Ing. Keplinger Hans-Jörg
- Ing. Keranovic Zaim
- Ing. Kern Franz Daniel
- Ing. Kern Manfred Johann
- Ing. Kern Markus
- Ing. Kernthaler Gernot
- Ing. Kerschbaumer Alexander
- Ing. Kerschbaumer Gerd
- Ing. Kerschbaumer Reinhard
- Ing. Keuschnig Gerhard
- Ing. Kevin Gruber
- Ing. Khas Karl
- Ing. Khevenhüller-Metsch Karl
- Ing. Kickinger Silvio Erhard
- Ing. Kielhauser Dominik
- Ing. Kienast Heinz
- Ing. Kierein & Webel GmbH & Co KG
- Ing. Kilian Karl Rudolf
- Ing. Kimberger Walter
- Ing. Kintera Franz
- Ing. Kirchler David
- Ing. Kirchweger Franz Josef
- Ing. Kirisits Christian
- Ing. Kirsch Dieter
- Ing. Kiss Margit
- Ing. Kiss Wolfgang
- Ing. Kisser Herbert
- Ing. Kitzler Harald
- Ing. Kitzler Robert
- Ing. Klaffenböck Joseph
- Ing. Klaffl Daniel
- Ing. Klaghofer Christian
- Ing. Klampfer Thomas Alexander
- Ing. Klaudrat Josef
- Ing. Klaura Friedrich
- Ing. Klaus Gassner
- Ing. Klaus Gretler Gesellschaft m.b.H. in Liqu.
- Ing. Klaus Haun - Metallbau GmbH
- Ing. Klaus Hochsteiner
- Ing. Klaus Messner KG
- Ing. Klaus Pointner Gesellschaft m.b.H.
- Ing. Klaus Rappold Immobilien GmbH
- Ing. Klaus Stark GmbH
- Ing. Klaus Ungerböck e.U.
- Ing. Kleewein Andreas
- Ing. Kleibl Walter Richard
- Ing. Klein Andre
- Ing. Klein Gerald
- Ing. Kleinlercher Markus
- Ing. Klenner Thomas Franz
- Ing. Klesl Robert
- Ing. Kletzl Metalltechnik GmbH
- Ing. Kliem Daniel