Alle Firmen mit dem Anfangsbuchstaben D
- Dipl-Ing. Neuhauser Michael
- Dipl-Ing. Neulinger Walter
- Dipl-Ing. Neumüller Philipp
- Dipl-Ing. Neuper Karl
- Dipl-Ing. Neurauter Thomas
- Dipl-Ing. Neustädter Rolf
- Dipl-Ing. Newil Samwaeil
- Dipl-Ing. Nickel Rainer
- Dipl-Ing. Nicklaus Anna-Maria
- Dipl-Ing. Niegelhell Gertrude
- Dipl-Ing. Nigitz Franz
- Dipl-Ing. Nikodem Bernhard
- Dipl-Ing. Nikolaus Lebeth
- Dipl-Ing. Nikolics Miklos
- Dipl-Ing. Ninaus Maria
- Dipl-Ing. Nipitsch Peter
- Dipl-Ing. Nisius Meike
- Dipl-Ing. Norderhus Magnar
- Dipl-Ing. Nourzad Ricco
- Dipl-Ing. Novak Norbert
- Dipl-Ing. Nowak Christoph
- Dipl-Ing. Nowak Ernst
- Dipl-Ing. Nußbaumer Bernhard
- Dipl-Ing. Nzekwe Vincent
- Dipl-Ing. Nöbauer Josef
- Dipl-Ing. Nöhrer Dietmar
- Dipl-Ing. Oberhauser Johann
- Dipl-Ing. Oberlechner Daniel
- Dipl-Ing. Oberleitner Reinhard
- Dipl-Ing. Oberndorfer Walter
- Dipl-Ing. Oberwalder Anita
- Dipl-Ing. Oberweger Florian
- Dipl-Ing. Obkircher Leo
- Dipl-Ing. Obwegeser Diem Anna
- Dipl-Ing. Ofner Erwin
- Dipl-Ing. Oitzinger Anton Albert
- Dipl-Ing. Okur Rüstü Süha
- Dipl-Ing. Oliver Stübe
- Dipl-Ing. Olsacher Erich
- Dipl-Ing. Omid Mani
- Dipl-Ing. Oppitz Albrecht
- Dipl-Ing. Oppitz Marcus Viktor
- Dipl-Ing. Orendi Christian
- Dipl-Ing. Orieschnig Christina
- Dipl-Ing. Orner Fabian
- Dipl-Ing. Ortner Andreas
- Dipl-Ing. Ortner Friedrich
- Dipl-Ing. Ortner-Kirchler Romana
- Dipl-Ing. Osl Günter
- Dipl-Ing. Ostermann Michael
- Dipl-Ing. Oswald Michael
- Dipl-Ing. Ott-Reinisch Irene
- Dipl-Ing. Otte Jörg
- Dipl-Ing. Ottendorfer Andreas
- Dipl-Ing. Otto Bernhard
- Dipl-Ing. Paar Josef
- Dipl-Ing. Pabinger Josef
- Dipl-Ing. Pabinger Josef
- Dipl-Ing. Pachinger Franz
- Dipl-Ing. Pachler Ewald
- Dipl-Ing. Pachner Andreas
- Dipl-Ing. Paikl Franz
- Dipl-Ing. Painsi Walter
- Dipl-Ing. Paller Hermann
- Dipl-Ing. Pammer Gernot Siegfried
- Dipl-Ing. Pangerl Peter
- Dipl-Ing. Panzenböck Leonhard
- Dipl-Ing. Paretta Werner
- Dipl-Ing. Parigger Martin
- Dipl-Ing. Parthl Günter
- Dipl-Ing. Partl Manfred
- Dipl-Ing. Past Philipp
- Dipl-Ing. Paul Dieter
- Dipl-Ing. Paul Werner
- Dipl-Ing. Paulischin Franz Johannes
- Dipl-Ing. Pavelka Johann
- Dipl-Ing. Pavlicek David
- Dipl-Ing. Pawloy Peter
- Dipl-Ing. Payer Wolfgang
- Dipl-Ing. Pazourek Karl