Diethelm Keller Industrial is represented by Wetrok, a Swiss B2B brand, focused on innovative, sustainable, and professional cleaning systems and solutions, serving a broad range of professional applications.
With over 75 years of expertise, Wetrok has built long-standing customer relationships across more than 40 countries. As the engineering pillar of the Group, Diethelm Keller Industrial stands for stability and technical competence. With over 230 employees, Wetrok continues to develop innovation and reliable solutions for professional use worldwide.
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Board of Directors
Thomas Aebischer, Chairman
George Keller
Joy A. Keller
Founded in 1948, Wetrok is a Swiss manufacturer of professional cleaning systems. From its early years, the company has combined engineering expertise, responsible chemistry, and practical know-how to create an integrated approach to cleaning. This concept supports safe, efficient, and ergonomic cleaning processes and has shaped Wetrok’s role today as a provider of machines, cleaning agents, and system solutions. The portfolio includes floor cleaning machines, cleaning and disinfection agents, tools and digital-supported system concepts designed for professional environments. Research, development, and production are based in Switzerland to ensure consistent quality standards and a strong focus on durability and the responsible use of resources. Wetrok solutions are used in over 40 countries and are recognised for their reliability and proven performance in sectors such as healthcare, industry, logistics, and public facilities. Since 1955, Wetrok has been part of Diethelm Keller Group, reflecting a long-standing commitment to stability, quality, and responsible growth.
Visit www.wetrok.com
Managing Director
Benjamin Merz