De Koolputten Competitors

Every day, people around the world live, work and play on ground prepared by Keller, the world's largest geotechnical specialist contractor. Used alone or in combination, our techniques solve a wide range of challenges across the entire construction sector – from industrial, commercial and housing projects to infrastructure construction for dams, tunnels, transportation and water treatment, as well as projects to address environmental challenges. Global strength and local focus are what makes us unique. Our knowledge of local markets and ground conditions means we’re ideally placed to understand and respond to a particular local engineering challenge. Our global knowledge base then allows us to tap into a wealth of experience, and the brightest minds in the industry, to find the optimum solution. With around 10,000 employees and operations across five continents, we have the people, expertise, experience and financial stability to respond quickly, get the job done and see it through safely. By connecting global resources and local knowledge, we can tackle some of the largest and most demanding projects around the world but the everyday work we do is just as important and, in total, we tackle an unrivalled 6,000 projects every year.

Material Handling is our passion. At Jungheinrich, we have been using our knowledge and experience to serve customers across all industries since 1953 and we have since become a leading provider of handling equipment. Efficient internal processes are a decisive factor for the success of companies, and that's why we've made it our aim to offer optimally coordinated material handling concepts that are individually tailored to the requirements of each customer. Numerous successful partnerships show that we’re on the right track. In our work every day, we are driven to achieve the best solutions with and for our customers.

wienerberger is one of the leading providers of innovative, durable solutions for the entire building envelope, in the fields of new build and renovation, as well as infrastructure in water and energy management. In doing so, wienerberger contributes to the responsible and efficient use of resources over the long term. Innovation, Operational Excellence, as well as M&A and Portfolio Optimization are the most important pillars of wienerberger’s sustainable growth. In our core markets, Europe and North America, we are continuously expanding our main segments: new construction, renovation, and infrastructure. Total revenues in 2025 € 4.6 billion Operating EBITDA € 754 million More on career at wienerberger: https://www.wienerberger.com/en/career.html Privacy Policy of Wienerberger AG: https://www.wienerberger.com/en/info/privacy-policy.html Imprint of Wienerberger AG: https://www.wienerberger.com/en/info/Imprint.html