BGS
Soil Science Society Switzerland

OAI
Luxembourg Chamber of Architects and Engineers

SBV
Swiss Wellmasters Association

DWA
German registered Association for Water, Wastewater and Waste

FAGES
Swiss Association of Toxic Building Material Experts

SEF
Swiss Excellence Forum

SVGW
Swiss Association of Gas and Water Specialists

SVUT
Swiss Association for Environmental Technology

SWP
Swiss Water Partnership

USIC
Swiss Federation of Consulting Engineers (members of FIDIC and EFCA)

VABS
Swiss Association of Asbestos Consultants

VSA
Swiss Wastewater and Water protection Professionals

VSS
Swiss Association of Road and Transport Professionals