Almost fifty years of company history at a glance
Establishment of the one-man business “Ingenieurbüro Robert Wälti Bau- und Verfahrenstechnik”
Foundation of PONAG AG Engineering Office Wälti + PONAG AG
Change of the PONAG AG company name to “Rowa Wälti ROWA AG”, new addition to the company’s name: “Untertage Spezialmaschinenbau“ (Specialist Underground Engineering).
Foundation of ROWA Engineering AG.
The headquarters of Rowa Engineering AG is moved to Wangen, Switzerland.
Robert Wälti sells Rowa Engineering AG to Willi Gmür (Gmür Baumanagement GmbH)
Rowa Engineering AG is renamed Rowa Tunnelling Logistics AG.
Rowa celebrates its 200th project
Alberto Belloli becomes the owner of the Rowa Tunnelling Logistics AG company and takes over the company’s management
We have a new management. Alberto Belloli takes over the commercial management and Heinz Jenni the technical management.
Shareholder Heinz Jenni takes over the entire management of the Rowa Group.
Rowa celebrates its 300th project