astebo GmbH

Manufacturer in Upper Austria

Biomontan Produktions- und Handels GmbH

Consultancy/planning company

Compost Systems GmbH

Consultancy/ planning company

denkstatt GmbH

Consultancy/ planning company

Ecotherm Austria

Manufacturer in Upper Austria

Energie AG Oberösterreich Umwelt Service GmbH

ESCO (Energy Service Company)

Energieinstitut an der JKU Linz

Research and educational institution

Energiewerkstatt Verein

Consultancy/planning company

ENTECMA

Consultancy/ planning company

EWS Consulting

Consultancy/planning company

Fronius International

Manufacturer in Upper Austria

GASOKOL

Manufacturer in Upper Austria

Hargassner

Manufacturer in Upper Austria

Internorm International

Sales

JELD-WEN Türen GmbH

Manufacturer in Upper Austria

JKU Linz - VWL Institut

Research and educational institution

Peneder Gruppe

Consultancy/Planning Company

POLYTEC HOLDING AG

Manufacturer in Upper Austria

RTi Austria GmbH

Consultancy/ planning company

Sirius-ES Handels GmbH

Others

SOLARFOCUS

Manufacturer in Upper Austria

WWS Wasserkraft

Manufacturer in Upper Austria