History

Our company is one hundred percent privately owned; managing director is Mr. Johann Rohrer.

  • 1975 Foundation: Rohrer GmbH Österreich, Austria
  • 1991 New foundation: Johann Rohrer GmbH Österreich, Austria
  • 1991 New foundation: Johann Rohrer GmbH Deutschland, German
  • 1992 Foundation: Rohrer Netherlands B.V., The Netherlands
  • 1999 New activities: insulation, Heinz Fidler GmbH
  • 2001 New activities: aluminium, stainless steel and steel engineering, Schönberger GesmbH
  • 2002 New activities: electrical engineering, Herta Schwarz GmbH
  • 2005 Foundation: Rohrer Servicii Industriale S.R.L, Romania
  • 2005 Foundation: Rohrer Slovakia S.R.O., Slovakia
  • 2005 Foundation: Rohrer Industrial Services L.L.C., United Arab Emirates
  • Expansion of the insulation activities: IIG Industrieisolierungen GmbH in Gelsenkirchen, Germany (Regional offices: Kerpen, Frankfurt and Stade) and Isoliertechnik WKSB GmbH in Merseburg, Germany (Regional office: Nünchritz)
  • 2007 Foundation: Rohrer Maghreb SARL, Moroco
  • 2007 Foundation: Rohrer BVBA, Belgium
  • 2008 Foundation Rohrer Hungária Kft., Hungary
  • 2009 New activities: industrial service Juri Gesellschaft m.b.H, Austria
  • 2009 New activities: sewer cleaning Koller Kanalreinigungs-GesmbH, Austria
  • 2011 Foundation Rohrer Finland OY, Finland
  • 2011 Foundation Rohrer France S.A.R.L., France
  • 2011 Foundation Rohrer Richter Technology GmbH, Germany
  • 2012 Foundation Rohrer Sinai Tesisler Servis Ticaret Ltd. Sti, Turkey
  • 2013 Expansion of Structural and Civil Engineering
  • 2014 awarded the right to bear the « Steirisches Landeswappen » (coat of arms of the province of Styria) in our sign
  • 2015 Foundation Rohrer Industrieservice Dietzenbach, Germany
  • 2016 Foundation Rohrer Norway AS, Norway
  • 2017 Foundation Rohrer Impera s.r.o., Slovakia
  • 2018 Foundation Rohrer Suisse AG, Switzerland
  • 2019 Acquisition of Flury AG, Switzerland
  • 2019 Acquisition of Wolfgang Heinisch iiS GmbH, Germany
  • 2020 Acquisition of  Grothmann Personal Service EK, Germany
  • 2020 Fusion of  Beckker Automatisierungsgesellschaft mbH mit der Rohrer Industrieservice GmbH, Dietzenbach, Germany
  • 2021  Acquisition of Top Gerüstbau (Scaffolding), Villach, Austria
  • 2021  Acquisition of Dietz Gerüstbau (Scaffolding) with locations in Weißkirchen, Kleinsöding, Großgmain, Oberwang and Alland, Austria