Alle Firmen mit dem Anfangsbuchstaben D
- Dipl-Ing. Reiter Stefan
- Dipl-Ing. Reiter Thomas
- Dipl-Ing. Reiterlehner Werner
- Dipl-Ing. Reithner Claudia Maria
- Dipl-Ing. Renner Franz
- Dipl-Ing. Rennhofer Helmut
- Dipl-Ing. Rentenberger Albin
- Dipl-Ing. Repolust Johann
- Dipl-Ing. Resch Manfred
- Dipl-Ing. Resch Peter Klaus Anton
- Dipl-Ing. Reschenhofer Adelheid Gisela
- Dipl-Ing. Rettensteiner Arno
- Dipl-Ing. Reynvaan Sarah Susan
- Dipl-Ing. Riahi Abbas
- Dipl-Ing. Riediger Hannes
- Dipl-Ing. Riedl Christian
- Dipl-Ing. Riedl Franz
- Dipl-Ing. Riedmann Peter
- Dipl-Ing. Riegler Karin Gertrude
- Dipl-Ing. Riegler Leopold Josef
- Dipl-Ing. Riesel Franz
- Dipl-Ing. Rietzler-Litzenberger Markus
- Dipl-Ing. Rieß Hubert
- Dipl-Ing. Rigler Michael
- Dipl-Ing. Rigler-Kräftner Ulrike
- Dipl-Ing. Ringsmuth Ernst
- Dipl-Ing. Ritzinger Georg Michael
- Dipl-Ing. Rivas Rojas Guillermo Rafael
- Dipl-Ing. Robert Wagner
- Dipl-Ing. Robnig Markus Anton
- Dipl-Ing. Rogenhofer Gebhard Karl Adalbert
- Dipl-Ing. Rohracher Lukas
- Dipl-Ing. Rohrhofer Karl
- Dipl-Ing. Rohringer Ludwig
- Dipl-Ing. Rohrmoser Siegfried
- Dipl-Ing. Roland Krois
- Dipl-Ing. Ronald Humitsch
- Dipl-Ing. Rosenauer David
- Dipl-Ing. Roseneder Sabine
- Dipl-Ing. Rosenfeld Alain
- Dipl-Ing. Rosensteiner Bernhard
- Dipl-Ing. Roth Martin
- Dipl-Ing. Rothwangl Rafaela
- Dipl-Ing. Rottensteiner Heinz
- Dipl-Ing. Rottler Martin
- Dipl-Ing. Rudrich Daniel Christian
- Dipl-Ing. Ruez Sonja
- Dipl-Ing. Rugovaj Ibish
- Dipl-Ing. Rusch Helmut Elmar Ludwig
- Dipl-Ing. Russ Rainer
- Dipl-Ing. Rutter Herbert
- Dipl-Ing. Rácz Alida Szilvia
- Dipl-Ing. Sacher Claudia Katharina
- Dipl-Ing. Safaei Asadabadi Ramin Safaei
- Dipl-Ing. Sainitzer Reinhard
- Dipl-Ing. Sam Franz
- Dipl-Ing. Sammer Hermann
- Dipl-Ing. Sams Josef
- Dipl-Ing. Sar Marianne
- Dipl-Ing. Sauter Heinz
- Dipl-Ing. Schabauer Josef
- Dipl-Ing. Schachinger Michael
- Dipl-Ing. Schaffer Max
- Dipl-Ing. Schalk Michael
- Dipl-Ing. Schamberger Rainer
- Dipl-Ing. Schandl Andreas Heinrich
- Dipl-Ing. Schanil Walter
- Dipl-Ing. Schatz Gerald
- Dipl-Ing. Schauer Hannes
- Dipl-Ing. Schauer Jürgen Günther
- Dipl-Ing. Schaufler Rainer
- Dipl-Ing. Schechner Wolfgang
- Dipl-Ing. Scheitnagl Thomas
- Dipl-Ing. Schell Alexander
- Dipl-Ing. Schemitsch Walter
- Dipl-Ing. Scheurecker Johannes
- Dipl-Ing. Schgör Christian
- Dipl-Ing. Schichl Martin Wolfgang
- Dipl-Ing. Schickengruber Katrin
- Dipl-Ing. Schiebel Michael Walter