1. Rheem New Zealand Ltd.
2. Daikin Air Conditioning New Zealand Ltd.
3. Black Diamond Technologies Limited (Mitsubishi)
4. Panasonic New Zealand Limited
5. Toshiba (Australia) Pty Limited
6. Hot Water Heat Pumps Ltd.
7. Johnson Controls International Plc. (Hitachi)
8. Stiebel Eltron NZ Limited
9. Energy Alternatives NZ
10. The Alternative Energy Company Ltd.