Alpha Environmental Services:

http://www.eco-web.com/register/04197.html

CRES

http://www.cres.gr

SIR

http://www.sir.at

NECA

http://www.nape.pl

Tecsol

http://www.tecsol.fr

Empower Oy, Energy Services

http://www.empower.fi

Portsmouth City Council

http://www.portsmouth.gov.uk

Cernergia Energy Consultants

http://www.cenergia.dk

Ecofys

http://www.ecofys.com

Metec & Saggese

http://www.metecsaggese.com

Solarvent

www.solarvent.dk