RWB Groupe SA ... Route de Fontenais 77, CH-2900 Porrentruy http://www.rwbgroupe.ch/ porrentruy@rwb.ch Swiss Fresh Water ... Chemin des Fayards 2, CH-1032 Romanel sur Lausanne http://www.swissfreshwater.com/ info@swissfreshwater.ch Swiss Toilet Organisation ... Müligass 7, CH-6130 Willisau Switzerland www.swisstoilet.org info@swisstoilet.org HYCON GmbH ... Obergasse 2, CH-8162 Steinmaur www.hycon.ch main@hycon.ch Livinguard Technologies AG ... Bahnhofstrasse 12 CH- 6300 Zug http://www.livinguard.com christof.boehler@livinguard.com photrack AG ... Ankerstrasse 16 a 8004 Zürich http://www.photrack.ch/ Aqua4D® ... Ecoparc de Daval A 9, CH-3960 Sierre www.aqua4d.com info@aqua4d.com Evodrop AG ... Hardgutstrasse 16, CH-8048 Zürich www.evodrop.com fabio.huether@evodrop.com