Alle Firmen mit dem Anfangsbuchstaben I
- Ing. BA Butulla Wolfgang Josef
- Ing. BA Fent Yasmin
- Ing. BA Goldmann Gregor
- Ing. BA Kehrer Sebastian
- Ing. BA Landsiedl Michael
- Ing. BA Machovsky Rebekka Violetta
- Ing. BA Melnik Emil
- Ing. BA MSc Hieger Oliver
- Ing. BA MSc Karlovcec Barbara Anna-Maria
- Ing. BA Pfeiffer Martin
- Ing. BA Simon Gerald Kurt
- Ing. BA Steffan Dominik Ferdinand
- Ing. BA Stinglmair Markus
- Ing. BA Weiss Gregor
- Ing. BA Zotter Philipp Emanuel
- Ing. BA Zöchling Georg
- Ing. BA. pth. Pühringer Severin
- Ing. Bach &. Sohn
- Ing. Bacherer Oliver Alexander
- Ing. Bachl Kathrin
- Ing. Bachler Bernhard
- Ing. Bachmann Bruno
- Ing. Bachmann Werner
- Ing. Bachmayer Regina
- Ing. Bachmayr Günther Michael
- Ing. Bachner Andrea
- Ing. Back-Ginzinger Alexander
- Ing. Bade Alexander
- Ing. Bader Franz Helmut
- Ing. Baeckert Harald
- Ing. Baier Dominik Karl
- Ing. Baier Klemens Ferdinand
- Ing. Baierl GesmbH, Zentrale/Geschäft
- Ing. Baillieul Cedric Philippe
- Ing. Baischer Christian
- Ing. Bakk. Bruckner Otto Andreas
- Ing. Baldreich Michael
- Ing. Balean Catalin
- Ing. Balent Patrick
- Ing. Ball Georg
- Ing. Balnik Christian
- Ing. Baltram Werner
- Ing. Bamberger Josef
- Ing. Bambule Susanne
- Ing. Baranow KEG
- Ing. Baresch Enrique
- Ing. Barilich Werner Michael
- Ing. Barlanger Franz Georg
- Ing. Barth Julian
- Ing. Bartusch Stefan
- Ing. Bastiani Christian
- Ing. Bastirsch Andrea Renate
- Ing. Bauer Bernhard
- Ing. Bauer Gerhard
- Ing. Bauer Hermann
- Ing. Bauer Mario Adolf
- Ing. Bauer Rainer
- Ing. Bauer Rene
- Ing. Bauer Ronald
- Ing. Bauer Rudolf
- Ing. Bauer Thomas
- Ing. Bauer Thomas
- Ing. Bauer Verena
- Ing. Bauer Wolfgang Michael
- Ing. BAUER-MARSCHALLINGER Martin EDV-Dienstleistungen
- Ing. Baumann Dietmar
- Ing. Baumann Gerhard
- Ing. Baumann GmbH
- Ing. Baumann Markus
- Ing. Baumann Robert
- Ing. Baumann Wolfgang Mathias
- Ing. Baumgartner Herbert
- Ing. Baumgartner Michael
- Ing. Baumgartner Wolfgang
- Ing. Bayer Oskar
- Ing. Becker Cornelia
- Ing. BEd BSc Schichor Michael Hermann
- Ing. BEd Grander Christina
- Ing. BEd Gruber Gerhard Karl
- Ing. BEd Hausberger Christoph