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" High Performance Tunnelling achieved by Innovation, Development, Knowledge and Techology" NTN companies provide a wide range of services in the field og development, design, construction, operation and maintanance of tunnels and underground fasilities. NTN is established to provive commercial services to international clients and customers. Clients Norwegian Public Road Administration Education and Research Norwegian University of Science and Technology (NTNU) Research and Consulting Norwegian Geotechnical Institute (NGI) SINTEF Engineering and Design Multiconsult AS Sweco Norge AS Contractors Geofrost AS - Construction and consulting within artificial ground freezing Giertsen Tunnel AS - Contruction and design within waterproofing and tunnel sealing KF Gruppen AS - Construction Managment within tunnelling and rock support Leonard Nilsen & Sønner AS (LNS) - Construction and tunnelling Suppliers Andersen Mek. Verksted AS (AMV) - Supply of tunnelling equipment Codan AS - Supply of grouting packers and accessories Protan AS - Supply of tunnel ventilation Vik Ørsta AS - Supply of rock bolts and accessories Consultants and Advisors PAB Consult AS - Managment and consulting within general tunnelling Woldmo Consulting AS - Consulting within grouting and rock support |
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