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Welcome to our homepage.

The following pages contain an overview of our company’s range of products and services. OTTO BRENTZEL has reliably been supplying concrete road contractors in Germany and abroad for more than four decades.

We have specialized in the production of dowels and tie bars which are required for position fixing and for transferring forces in concrete pavements. In addition, we offer other products required in this context.

Further information is available under Products.

We solely concentrate on satisfying our customers, because this is the most important basis of our own success.The needs, problems and tasks of our partners are our top priority and define the heart of our philosophy.

For us highly productive means more than the quality and availability of our products. It means reliability, flexibility, absolute on-schedule delivery as well as high quality standards as our most important corporate objectives.


Company portrait:

  • 1954
    Foundation of the company “EISEN-BRENTZEL” by
    OTTO BRENTZEL as a classic iron and steel trading firm
  • 1959
    Extension of the product range
    – Supply, cut, bend and lay reinforcing steel
    – Cable conduits made of steel
  • 1970
    Introduction of dowel and tie bar production
  • 1972
    Start of collaboration with Munich Technical University
    – Comprehensive quality control, not only in-house
  • 1975
    Extension of the production and storage buildings in
  • 1987
    Heinz BRENTZEL is new owner
  • 2007
    Dirk BRENTZEL joined the management
  • 2007/2008
    Transaction of the two biggest single orders in our history; new construction of 400 km concrete pavement in Azerbaijan and Kazakhstan. In this period we delivered 2.4 millions pcs. of the “Brentzel-Dowel”!
  • 2014
    Installation of the 1st part of a photovoltaic system
  • 2018
    Installation of the 2nd part of a photovoltaic system
  • 2020
    The first robot is successfully integrated into dowel production.
  • 2021
    Dirk BRENTZEL is new owner (3rd Generation). Heinz Brentzel is retiring after more than 50 years in the steel industry.
  • 2022
    Installation of the last part of the PV system. A total of 355 kWp of power was installed on the hall roofs. Find out more under the point “Current”.
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