Thermal Process Components


TPC is a specialized manufacturer of components made of corrosion-resistant and heat-resistant steels as well as high-temperature alloys. The range of services includes the production of individual and series parts for plants and apparatus as well as their repair.




TPC GmbH is a medium-sized, owner-managed company and part of the WS Group.

Even before the change of company name in 2012, the company can look back on a long and eventful past. Its existence dates back to the founding by the Thielmann brothers in 1924.

The core business today is the production of welded constructions based on drawings made of corrosion-resistant and temperature-resistant steels, as well as high-temperature alloys.

With a part of our power and competence we significantly support the company WS in the production of high efficient industrial gas burners. In addition, more and more products find their way into the production and development of biogas and hydrogen plants. 

WE take up your challenge

Development and production

TPC serves a diverse customer base and manufacturer of a wide variety of products. With our own design department, we are able to get involved in the early stages of a project in order to offer target-oriented solution proposals. The connecting element is usually STAINLESS STEEL. Our core competence lies in welding, accordingly we are a certified specialist company following DIN EN ISO 3834-2 In order being able to offer as much as possible from a single source, we have modern machinery and can perform cutting, edging, sawing, as well as minor mechanical processing.

TPC in Haiger/Hessen

Central with very good connections

In 2015, our new building in the industrial area "Kalteiche" was completed and occupied. In addition to the administration area, over 3,000 m² of production space was created.