STABO Stahlbau Boschgotthardshütte GmbH
Stabo Siegen is manufacturer of high pressure boiler components and high pressure plant components: High-pressure drums, High-pressure separators
Lauterbach Verfahrenstechnik GmbH
Lauterbach Verfahrenstechnik supplied Software & Engineering for Pressure Vessel Design and Heat Exchanger Design; Process engineering calculations and strength designs according to AD 2000, EN 13445, EN 1591, ASME VIII, Eurocode and much more in one common interface.
Finow Rohrsysteme GmbH
Finow Rohrsysteme manufacture high-quality piping systems and power plant components
KASAG Swiss AG
KASAG Swiss is manufacturer of columns, apparatus, pressure vessels and reactors with jacket, half-pipe coils for heating and cooling, heat exchangers. Also design, engineering, and manufacturing of welded versions of high-pressure apparatuses and high-pressure autoclaves.
Emmerthaler Apparatebau GmbH
Emmerthaler Apparatebau is manufacturer of industrial piping, pressure vessels, filter vessels, cyclone separators, pressure silencers, pump units, compressor units
IGEFA WEINBRENNER Energie Solutions GmbH

IGEFA WEINBRENNER is manufacturer of heat and process engineering products we know how significant efficient and economical plants for heat transmission are and will continue to be in a future-oriented industry.
Harald Liebers Behälter-Apparatebau GmbH
Harald Liebers Behälter-Apparatebau GmbH is manufacturer of tanks and apparatuses from steel, stainless steel or special materials and offer you a versatile range of products
Werkstätten GmbH
Werkstätten GmbH experience and technical equipment, we are able to meet the challenges in apparatus and tank construction. The fact that we are allowed to develop suitable solutions for a wide variety of industrial sectors, from chemicals to foodstuffs to energy technology
Maasch & Kirsch GmbH & Co.KG
Maasch Kirsch products are used worldwide and are highly recognized in well-known companies of the chemical and process engineering industry, mechanical engineering and the pharmaceutical industry.