- ADAMAS GmbH (website)
- ADT AeroDämmTechnik GmbH (website)
- ASD Automatic Storage Device GmbH (website)
- badenova AG & Co. KG (website)
- Badische Energiesysteme GmbH (website)
- Badische Rheingas GmbH (website)
- Brauerei Ganter Gmbh & Co. KG (website)
- Elektrizitätswerk Mittelbaden AG & Co. KG (website)
- Energiesysteme Mayrhofer (website)
- Energie- und Wasserversorgung Kirchzarten GmbH (website)
- ENIT Energy IT Systems GmbH (website)
- Flex-Air GmbH (website)
- focusEnergie GmbH (website)
- Frank Bürsten GmbH (website)
- Freiburger Energieoptimierung UG (website)
- Frigoteam handels GmbH (website)
- GreenPack GmbH (website)
- greenventory GmbH (website)
- InnoGreen GmbH (website)
- Invensor GmbH (website)
- itg mbH & co. KG (website)
- Kallistone International (website)
- Kostal Solar Electric GmbH (website)
- Kühn Elektrotechnik GmbH (website)
- Livarsa GmbH (website)
- Luftmeister GmbH (website)
- Marea Gelato Caffee GmbH
- messeffekt GmbH (website)
- Mondas GmbH (website)
- RMA Rheinau GmbH & Co. KG (website)
- Schäffler sinnogy (website)
- Sciconomy (website)
- Sorption Technologies GmbH (website)
- STACKFORCE GmbH
- Testo Industrial Services GmbH (website)
- Zander GmbH & Co. KG Freiburg (website)