Norwegian Tunnelling Network (NTN) companies provide a wide range of services in the field of development, design, construction, operation and maintenance of tunnels and underground facilities. NTN is established to provide commercial services to international clients and customers.
The network consists of various product and equipment manufacturers, consultants, contractors (including special techniques providers) as well as public sector authorities and academic and research institutions.
Contractor & Mining Owner
Leonhard Nilsen & sønner AS
LNS is both a construction contractor, a mining contractor and a mining owner. LNS combines the best of both the construction industry and the mining industry in its projects.
EMerald Geomodelling AS
EMerald Geomodelling is a tech company dedicated to revealing unknown ground conditions, helping large infrastructure projects to reduce the need for intrusive ground investigations.
Andi A. Pfaffhuber
Skum Tech AS
Skum Tech AS delivers PE-foam sheet for prevention of water and frost in tunnels. Complete systems, including permanent bolt fixation to supported rock contour.
Lundgrens Norge AS
Lundgrens is a manufacturer of wide range of borehole packers for ground investigations and soil- and rock grouting, including high pressure expanders for hard rock.
The NPRA is responsible to develop and operate large part of the road network, but also to develop and review standards and requirements.
Research and Academy
Norwegian University of Science and Technology (NTNU)
NTNU is a university with an international focus and a main profile in science and technology, a variety of programs of professional study.
SWECO Norge AS
Sweco plans and designs and offering qualified services in the fields of consulting engineering, environmental technology and architecture. Long experience in underground projects.
Rock Engineering Ltd
Expert adviser in rock mechanics, rock support, ground water control and general tunnelling issues. Conflict and expert witness services.
Knut F Garshol
Timer Solutions AS
Timer Solutions AS delivers Water, fire, and frost -proofing tunnels and underground constructions in the most safe, environmentally, cost-effective and sustainable way.
Norhard AS is a fully integrated service provider for drilling and lining solutions onshore, utilizing in house technology development and manufacturing.
Expert Adviser & Consultant
Sovik Consulting provide expert advice and offer consultancy services in the field of infrastructure and tunnel, and facilitate exchange of knowledge and experience.
Arild Petter Sovik
Research & Consulting
Norwegian Geotechnical Institute (NGI)
Norway's leading geotechnical specialist community and an international centre for research and consultancy in engineering geosciences.
Bever Control AS
Bever Control AS is a recognized international supplier of computerized control and monitoring systems for drilling rigs in mining and tunnel operations.
Thorvald Wetlesen jr.
Rambøll is a global consultant in Construction & Architecture, Transport & Urban Development, Energy, Water, Environment & Health and Management consulting.
Ida Soon Bergh
Pretec Group AS
Pretec Group AS produce and offer high quality rock anchor bolts with particularly long service life using PC-Coat corrosion protection.
Even A. Karlsen