Network
- AlpTransit Gotthard Ltd.
http://www.alptransit.ch/ - Swiss Federal Institute of Technology (ETH)
http://www.ethz.ch/ - Basler & Hofmann (Designer, Tunnelling Experts)
http://www.baslerhofmann.ch - Swiss IT Factory
http://www.swissitfactory.com/ - Federation Infra Switzerland
http://www.infra-schweiz.ch/ - Swiss Society of Engineers and Architects (SIA)
http://www.sia.ch/ - ITA-AITES
http://www.ita-aites.org/ - Swiss Tunnelling Society (STS/FGU)
http://www.swisstunnel.ch/