- A Bright Solution
- Cadi Electrics Ltd
- Centreco (UK) Ltd
- Clean Earth Energy
- Cobolt Blue Energy
- Custom Heat
- Eco UK Group
- Elemental Consulting Group
- Elite Energy Solutions
- Energy Efficient Solutions Group (EES Group)
- Green Cabin Company Limited
- Green Energy Technical Services Ltd
- Greenio Ltd.
- Hertz Electrical Contractors Ltd
- KS Connexions
- SolarSell
- Stratford Energy
- Synergy Power Ltd
