Alle Firmen mit dem Anfangsbuchstaben D
- Dipl-Ing. Dr. Peter Benda und Mag. Dr. Franz Benda
- Dipl-Ing. Dr. Peyer Bernhard
- Dipl-Ing. Dr. Pfaffenbichler Paul
- Dipl-Ing. Dr. Pföstl Andreas
- Dipl-Ing. Dr. Pilgram Wilhelm
- Dipl-Ing. Dr. Pinkl Wolfgang
- Dipl-Ing. Dr. Pinter Monika
- Dipl-Ing. Dr. Platzer Erwin
- Dipl-Ing. Dr. Poltschak Sebastian
- Dipl-Ing. Dr. Popitsch Niko
- Dipl-Ing. Dr. Popp Thomas
- Dipl-Ing. Dr. Poth Wolfgang
- Dipl-Ing. Dr. Prendl Leopold
- Dipl-Ing. Dr. Prior Franz
- Dipl-Ing. Dr. Pölzl Manfred
- Dipl-Ing. Dr. Pölzl Wolfgang
- Dipl-Ing. Dr. Rabengruber Alexander
- Dipl-Ing. Dr. Rabensteiner Günther
- Dipl-Ing. Dr. Ranegger Gerhard
- Dipl-Ing. Dr. Rant Matthias
- Dipl-Ing. Dr. Rauchegger Günter
- Dipl-Ing. Dr. Regner Gerhard
- Dipl-Ing. Dr. Reinsprecht Martin
- Dipl-Ing. Dr. Reithofer Anton
- Dipl-Ing. Dr. Rezac Karl-Anton
- Dipl-Ing. Dr. Richter Stefan
- Dipl-Ing. Dr. Riedl Ulrike
- Dipl-Ing. Dr. Riedler Martin
- Dipl-Ing. Dr. Rienmüller Anna Caroline
- Dipl-Ing. Dr. Rosenberger Patrick
- Dipl-Ing. Dr. Rossegger Wolfram
- Dipl-Ing. Dr. Rottenbacher Christine
- Dipl-Ing. Dr. Ruland Gisa
- Dipl-Ing. Dr. Salomon Christian
- Dipl-Ing. Dr. Schabelreiter Johann
- Dipl-Ing. Dr. Schabkar Franz
- Dipl-Ing. Dr. Schaur Christian
- Dipl-Ing. Dr. Scheutz Johann
- Dipl-Ing. Dr. Schimmel Andreas Michael
- Dipl-Ing. Dr. Schippinger Kurt
- Dipl-Ing. Dr. Schlatterbeck Ralf
- Dipl-Ing. Dr. Schlögelhofer Ferdinand
- Dipl-Ing. Dr. Schmid Hansjörg
- Dipl-Ing. Dr. Schmid Johannes
- Dipl-Ing. Dr. Schnecker Jutta
- Dipl-Ing. Dr. Schneider Bernhard
- Dipl-Ing. Dr. Schrank Josef
- Dipl-Ing. Dr. Schrems Martin
- Dipl-Ing. Dr. Schrittesser Bernd Christian
- Dipl-Ing. Dr. Schubert Peter
- Dipl-Ing. Dr. Schwarz Karl-Heinz
- Dipl-Ing. Dr. Schäfer Uwe Bernd
- Dipl-Ing. Dr. Schönmann Günter
- Dipl-Ing. Dr. Schößer Hansjörg
- Dipl-Ing. Dr. Schüller Peter
- Dipl-Ing. Dr. Schüppel Andreas Georg
- Dipl-Ing. Dr. Seif Johann
- Dipl-Ing. Dr. Seiffarth Horst Peter
- Dipl-Ing. Dr. Senkyr Gerda
- Dipl-Ing. Dr. Sgouridis Sokratis
- Dipl-Ing. Dr. Siegmar Hanser
- Dipl-Ing. Dr. Silar-Rieser Petra
- Dipl-Ing. Dr. Simlinger Christian
- Dipl-Ing. Dr. Slatner Matthias
- Dipl-Ing. Dr. Smekal Werner
- Dipl-Ing. Dr. Sorger Arno Gottfried
- Dipl-Ing. Dr. Spiegl Bernhard
- Dipl-Ing. Dr. Standler Karin
- Dipl-Ing. Dr. Stegner Uli
- Dipl-Ing. Dr. Steinbauer Erich
- Dipl-Ing. Dr. Steiner Karl
- Dipl-Ing. Dr. Steininger Karl-Heinz
- Dipl-Ing. Dr. Steinrück Peter
- Dipl-Ing. Dr. Stelzer Robert
- Dipl-Ing. Dr. Sternad Bruno
- Dipl-Ing. Dr. Strenn Birgit
- Dipl-Ing. Dr. Strobl Georg
- Dipl-Ing. Dr. Stumreich Anton
- Dipl-Ing. Dr. Summer Wolfgang
- Dipl-Ing. Dr. Takacs Patrik