ABB Ltd.
Alfa Laval AB
Alstom SA
AURA GmbH & Co. KG
Bosch Industriekessel GmbH
Boustead International Heaters Limited
China Energy Recovery Inc.
Echogen Power Systems
Econotherm Limited
Exergy International Srl
Exodraft A/S
Forbes Marshall
General Electric Company
Gulf Coast Green Energy
IHI Corporation
John Wood Group PLC
Matthews Environmental Solutions
Mitsubishi Heavy Industries
Ltd.
Munters Corporation
Ormat Technologies Inc.
Promec Engineering
Siemens AG
Sigma Thermal Inc.
Terrapin Geothermics
Thermax Limited