Sega Inc.
Sierra Instruments
Solar Turbines Inc.
Spence Engineering Co.
Spirax Sarco Inc.
Stellar Power and Utilities Inc.
TAS Packaged Central Plants
Thermacor Process LP
Thermal Science Technologies
TKDA
Trane
Tuthill Energy Systems
Urecon Ltd.
US Water Services/ChemCal
Velan Inc.
WSU Energy Program HEATMAP© Yokogawa Corp. of America
York International Corp.
