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About us


Winkelmann is one of the global leading original equipment manufacturers (OEM) for water storage tanks, expansion vessels, drinking water vessels, separators and manifolds. As part of the Winkelmann Building+Industry business unit of the Winkelmann Group in Germany, the brand Winkelmann represents our OEM business with components and systems in buildings of all types and sizes as well as in a wide variety of industrial sectors and industries. Comprehensive technological expertise, holistic thinking and systematic customer focus make us a reliable OEM partner developing and manufacturing customized and unique solutions.Winkelmann offers a broad range of standard products as well as customized solutions.


The Winkelmann Group is one of the leading group of companies in metal forming technology for well-known customers from a wide range of industry sectors and encompasses three business divisions: Automotive, Building+Industry and Flowforming.

As a company anchored in tradition and managed by the fourth generation of the family, long-term thinking and working the principle of success with a high level of flexibility and innovative strength are key values for Winkelmann.

Sustainable management, guaranteed high quality processes and products as well as a 100% focus on customers and customer satisfaction are at the forefront. Over 4,000 employees in more than 30 legally independent business units guarantee the success of the group worldwide.

The powerful Reflex brand, together with the brands Sinus, Nema and Winkelmann OEM, form the business unit Winkelmann Building+Industry, with an international team of over 2,100 employees and presence in more than 25 countries around the world.