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1   Link   Solexperts AG
Geotechnical instrumentation, in situ testing; hydrogeological testing, characterization, measuring systems; data acquisition and monitoring systems; data visualization, data management systems; Hidcon, high deformable concrete elements for tunneling.
2   Link   The Robbins Company - TBM Manufacturer
With more than 50 years of innovation and experience, The Robbins Company is the world's foremost developer and manufacturer of advanced, underground construction machinery, primarily TBM machines. Robbins has been involved in hundreds of tunnel boring projects around the world.
3   Link   Sireg
Manufacturer of synthetic products for tunneling and foundations: sleeved pipes for grouting, glass fiber bars for anchors, bolts, temporary and permanent reinforcements, drainage pipes, inclo-casings, waterstop.
4   Link   Hatch Mott MacDonald
A full service engineering firm with much experience in tunneling.
5   Link   Jacobs Associates SF
Jacobs Associates provides civil engineering consulting services with specialties in design and construction management for underground projects, as well as construction analysis and claims/disputes resolution.
6   Link   Herrenknecht
Herrenknecht is a manufacturer of tunnel boring machines and other tunnel construction technology products.
7   Link   Akkerman Inc.
Manufacturer of microtunneling, pipejacking, tunneling, guided boring and earth pressure balance equipment for tunnels up to 14-ft in diameter.