Optimas Solutions
Tunnel building is a highly specialized form of construction, and each tunnel project has unique requirements and considerations. For over 30 years, tunnel infrastructure teams around the world have come…
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.
Pipe Jacking Association
The PJA, established over 40 years, represents the UK pipe jacking and microtunnelling industry. The Association is either represented on, or works closely with, the British Standards Institution and CEN;…
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,…
CEMEX UK Operations Ltd
Cemex is a global construction materials company that is building a better future through more sustainable products and solutions. Cemex is committed to achieving carbon neutrality through innovation and industry-leading…
CREG TBM Germany GmbH
CREG - China Railway Engineering Equipment Group Co., Ltd. - is a leading TBM supplier for mechanized tunnelling construction all around the world. CREG provides a full-range of TBM hard-…
Dr. Sauer & Partners Limited
Dr. Sauer & Partners is a team of passionate ground engineering experts. We’re tunnelling technology pioneers with 40 years of experience. Every project we take on, above or below ground,…