Herrenknecht AG

Herrenknecht is a technology and market leader in the area of mechanized tunnelling systems. As the only company worldwide, Herrenknecht delivers cuttingedge tunnel boring machines for all ground conditions and…

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Sika Limited

Sika is a leading global company specialising in the manufacture and supply of chemical based products for construction and industry. In the UK, we provide market-leading solutions for concrete, waterproofing,…

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OTB Engineering Ltd

Civil Engineering Consultancy specialising in creative design elements related to all aspects of tunnels and subsurface structures. Including Project & Programme management, onsite supervision, Rail assurance, and independent advisory services.

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