- 2020 Solar PV
- Ablaze Green Energy Solutions
- ARC Consultations Ltd
- Be-Wind
- Bee Eco Limited
- Cadi Electrics Ltd
- Centreco (UK) Ltd
- Clean Earth Energy
- Custom Solar Ltd
- Energy Efficiency Consultants
- Energy Efficient Solutions Group (EES Group)
- Environmental Energies Ltd
- Exicon Waste Management Limited
- g2 Energy Ltd
- Green Cabin Company Limited
- Green electrical installations ltd (GEI)
- Green Energy Technical Services Ltd
- Hertz Electrical Contractors Ltd
- Hex Energy LTD
- Ineco Energy
- IPV Flexgen Limited
- Polysolar Limited
- Pro Enviro
- Quantum Energy Systems
- Rexel UK
- River Energy & Renewables
- Save Money Cut Carbon
- Smart Systems UK Ltd
- Stratford Energy
- UT Power Limited
- Utility Stream Limited
