1. Carlton Thermal Systems Ltd.
2. Chromalox Inc.
3. Glen Dimplex UK Limited
4. Hazloc Heaters
5. Honeywell International Inc.
6. Jack Sealey Ltd.
7. Lm-therm Elektrotechnik AG
8. Mega Home Appliances
9. Orient Electric Limited
10. R. L. Craig Company Inc.
11. S&P Sistemas de Ventilaci?n SLU
12. Sinus-Jevi Electric Heating B.V.
13. STEGO Elektrotechnik GmbH
14. Superior Radiant Products Ltd.
15. Thermon Group Holdings Inc.