OBERRESSL & KANTZ ZT-GmbH
Every Project has its Genesis
Customized engineering services from OKZT always focus on customer requirements and goals. Providing expertise and tailor-made solutions, we support you from the very first idea to the realization of your project.

Building and Industrial Construction
Our top priorities are high quality, timeliness and cost awareness. Thanks to our extensive know-how and our long-term experience, we are able to provide our customers with a comprehensive range of services.

Infrastructure and Residential Engineering
We coordinate projects from an initial idea to realization in the fields of road, path and bridge construction, hydraulic engineering, as well as space design and the development of digital utilities – our experts are here to support you.

Structural Engineering
We offer comprehensive advice and support, thorough calculations and a high-quality plan execution. With OKZT, you can rely on a highly efficient coordination of your construction site, as well as maximum flexibility and timeliness.
Our Services
More than 25 years
Our Expertise is your Success
With more than 25 years of experience and continuous developments of teams, know-how and quality-certified structures, we are a reliable and competent partner for our clients.
Realized Projects
Clients
Countries
Career at OKZT
You want to find joy in your work?
Our Partners
Thanks to our network of long-term partners from other engineering areas, we offer continuous project support from a single source.
Let’s Build Together
Send us a message and our experts will take care of your request – from comprehensive consultancy to realizing your project!
office@okzt.at
OBERRESSL & KANTZ ZT-GmbH
Schleppe Platz 8, 9020 Klagenfurt am Wörthersee
+43 463 44 44 40


Visit http://projekt.cc/


As an owner’s engineer, SAPP Management AG speaks both the language of technicians and financial managers. Founded as an international partner for the pulp and paper industry, nowadays our services range from consulting, mill simulation, prefeasibility and feasibility studies, project execution, boiler and turbine assessment, quality management (quality assurance & services) to smart data analytics and energy concepts.