L&D Micro Tunnelling 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.

Herrenknecht is a technology and market leader in the area of mechanized tunnelling systems. As the only company worldwide, Herrenknecht delivers cutting-edge tunnel boring machines for all ground conditions and in all diameters – ranging from 0.10 to 19 meters. The Herrenknecht product range includes tailor-made machines for transport tunnels (Traffic Tunnelling) and supply and disposal tunnels (Utility Tunnelling) as well as innovative solutions for the efficient installation of pipelines underground. Under the umbrella of the Herrenknecht Group, a team of innovative specialists has formed to provide integrated solutions around tunnel construction with project-specific equipment and service packages upon request: these include separation plants, conveyor belt systems, navigation systems, rolling stock systems and segment moulds right up to turnkey lining segment production plants. The range of products also includes services in the area of technical consultancy, planning and supervision for tunnelling projects as well as personnel solutions to complement construction site crews on a temporary basis. Herrenknecht develops innovative technical solutions to sink vertical shafts down to great depths as well as to successfully excavate sloping shafts for tunnel construction and mining. The company also produces state-of-the-art deep drilling rigs that drill down to depths of 8,000 meters as well as rigs for the exploration of shallow geothermal energy.

The BAUER Group is an international construction and machinery manufacturing concern with more than 110 subsidiaries in some 70 countries providing services, machinery and products for ground and groundwater. The operations are divided into three segments: Construction, Equipment and Resources. The Construction segment, with its holding BAUER Spezialtiefbau GmbH, carries out specialist foundation engineering work for complex excavation pits and foundations on major infrastructure and building projects, installing cut-off walls and carrying out ground improvement works as well as providing related project development services. In Equipment, BAUER Maschinen GmbH and its subsidiaries, are world market leader, offering a comprehensive range of construction machinery, equipment and tools for the specialist foundation engineering sector as well as for other underground drilling operations, such as for mines, water wells, geothermal energy sources, and oil and gas extraction. The Resources segment, with its holding BAUER Resources GmbH pools the activities in the fields of water, energy, mineral resources and environmental technology. Imprint: https://www.bauer.de/en/imprintlegal-notice