Ministry of Transport, Construction and Regional Development, www.telecom.gov.sk
Association of Construction Entrepreneurs of Slovakia, www.zsps.sk
Building Testing and Research Institute, www.tsus.sk
National Highway Company, www.ndsas.sk
Slovak Architects Society, www.sasarch.sk
Slovak Green Building Council, www.skgbc.org
Slovak Chamber of Architects, www.komoraarchitektov.sk
Slovak Chamber of Civil Engineers, www.sksi.sk
Slovak Public-Private Partnership Association, www.asociaciappp.sk