| MEMBER CATEGORY | COUNTRY | COMPANY NAME | SHORT | WEBSITE | CONTACT PERSON |
|---|---|---|---|---|---|
| Industry | Austria | GREENoneTEC | GoT | Harald Poscharnig | |
| Industry | UK | SolarisKit | SolK | Faisal Ghani | |
| Industry | China | Beijing Tus-Clean Energy Technology Co. Ltd. | BTS | Zhou Xiaowen | |
| Industry | Greece | SAMMLER B. Michalopoulos AEBE | Sammler | Harry Michalopoulos | |
| Industry | Germany | Ritter Energie GmbH. | Ritter | Thomas Althaus | |
| Industry | Greece | Papaemmanouel S.A. | PSA | Ioannis Gegakis | |
| Industry | UAE | Kaltech Energy, LLC | KAL | Aliyu Palathingal | |
| Industry | Greece | Helioakmi S.A. | HELIOAKMI | Catherine Caragouni | |
| Industry | India | Supreme Solar | SS | https://supremesolar.in/ | Vinod J |
| Industry | China | Beijing Sunda | BS | www.sundasolar.com | Zhoa Hua |
| Cert. Body | Italy | KIWA CERMET | KIWA | Matteo Sartori | |
| Cert. Body | Germany | DIN CERTCO | DIN CERTCO | Ina Förster | |
| Cert. Body | Greece | DQS Hellas | DQS | Ioannis Alexiou | |
| Cert. Body | Australia | Global-Mark Pty Ltd. | GM | Herve Michoux | |
| Cert. Body | Italy | ICIM S.p.A. | ICIM | Mauro Derudas | |
| Test Lab | Germany | Research and Testing Centre for Solar Thermal Solar Systems of the Institute of Thermodynamics and Thermal Engineering, Universität Stuttgart | TZS/ITW | Harald Drück | |
| Test Lab | Germany | Fraunhofer ISE TestLab Solar Thermal Systems | ISE | Korbinian Kramer | |
| Test Lab | France | CESP - University of Perpignan | CESP | Jean-Baptiste Beyssac | |
| Test Lab | Switzerland | SPF Institute for Solar Technology | SPF | Andres Bohren | |
| Test Lab | USA | LabTest Certification Inc. - Las Vegas Test Lab | LabTestLV | Kavinder Dhillon | |
| Test Lab | Germany | Institut für Solarenergieforschung in Hameln | ISFH | Carsten Lampe | |
| Test Lab | Greece | NCSR "Demokritos" | NCSR | Stamatios Babalis | |
| Insp. Body | USA | QAI Laboratories | QAI | Jarred Johnson | |
| Insp. Body | Italy | KIWA CERMET | KIWA | Matteo Sartori | |
| Supporting | Greece | Greek Solar Industry Association | EBHE | Christos Konstas | |
| Supporting | Greece | Centre for Renewable Energy Sources and Saving | CRES | Vassiliki Drosou | |
| Supporting | Germany | Private | | | Stephan Fischer |
| Supporting | EU | Solar Heat Europe | SHE | Pedro Dias | |
| Supporting | International | International Energy Agency - Solar Heating and Cooling Programme (IEA SHC) | IEA SHC | Ben Stinson | |
| Supporting | Germany | Solar-Experience GmbH. | SE | Stefan Abrecht |