Alle Firmen mit dem Anfangsbuchstaben I
- Ing. Schmidthaler H. Planung - Bauaufsicht GmbH
- Ing. Schmiedl Manfred Franz
- Ing. Schmiedl Thomas
- Ing. Schmincke Annette
- Ing. Schmitradner Markus
- Ing. Schmuck Johannes
- Ing. Schmudermaier Wolfgang
- Ing. Schmudermayer Manfred
- Ing. Schmölzer Reinhard
- Ing. Schnabl Andreas
- Ing. Schnabl Valentin
- Ing. Schneeberger Baugesellschaft mbH
- Ing. Schneeberger Bernhard
- Ing. Schneeflock Patrick
- Ing. Schneeweis Wolfgang
- Ing. Schneeweiss Karl Heinz
- Ing. Schneider Eva
- Ing. Schneider Markus
- Ing. Schneider Stefan
- Ing. Schneider's Ersatzteilshop - Ing. Christian Schneider
- Ing. Schnekker Paul
- Ing. Schnell Heinrich
- Ing. Schnell Martin
- Ing. Schnetzinger Reinhard
- Ing. Schnöll Bernhard
- Ing. Schnöll Norbert
- Ing. Schnötzinger Gerd
- Ing. Schober Martin
- Ing. Schober Thomas
- Ing. Scholl Stefan
- Ing. Scholz Rudolf
- Ing. Schopp Lukas Emanuel
- Ing. Schopper Markus
- Ing. Schott Franz Josef
- Ing. Schrabmair Walter Josef
- Ing. Schrahböck Thomas
- Ing. Schrammel Michael
- Ing. Schrank Ingrid
- Ing. Schrayvogel Rudolf
- Ing. Schreder Wolfgang Fritz
- Ing. Schrefl Ernst
- Ing. Schreibeis Eduard Johann
- Ing. Schreihofer Jürgen
- Ing. Schreiner Katrin Eva Maria
- Ing. Schrempf Lydia
- Ing. Schretter Martin Raimund
- Ing. Schretter Werner
- Ing. Schriebl Christoph Kurt
- Ing. Schriebl Gerald
- Ing. Schrittwieser Harald
- Ing. Schroll Heinrich
- Ing. Schroll Helmut Anton
- Ing. Schroll Jürgen
- Ing. Schrottner Thomas Robert
- Ing. Schrutek Elmar
- Ing. Schröckeneder Thomas
- Ing. Schrödl Gottfried Thomas
- Ing. Schrödl Hilde Brigitte
- Ing. Schröfl Erich
- Ing. Schröttner OG
- Ing. Schubert Oliver Werner
- Ing. Schuh Benedikt Laurenz
- Ing. Schuh Georg
- Ing. Schuh Heinz
- Ing. Schuh Otto
- Ing. Schuhmacher Thomas
- Ing. Schuhmeier Klaus Peter
- Ing. Schuller Martin
- Ing. Schuller Roland
- Ing. Schulz Raphael
- Ing. Schulz Simon
- Ing. Schumacher Dieter
- Ing. Schuster Franz
- Ing. Schuster Hermann
- Ing. Schuster Karl
- Ing. Schuster Thomas
- Ing. Schuster-Bourgin Christoph
- Ing. Schwab Andreas
- Ing. Schwab Renate
- Ing. Schwab Sebastian Andreas