AIR LIQUIDE
AIR PRODUCTS AND CHEMICALS INC.
AKZONOBEL
ARIEL CORP.
BABCOCK & WILCOX ENTERPRISES INC.
BAKER HUGHES
BASF SE
Bauer
Bornemann
BP PLC
CAT PUMPS
Caterpillar
Champion Technologies
CHEVRON PHILLIPS CHEMICAL COMPANY LLC
China National Petroleum Corporation
Clayton Industries
DENBURY RESOURCES Inc.
DOW CHEMICAL CO.
Eaton
ELLIOTT GROUP
ExxonMobil
Flowserve
FMC TECHNOLOGIES
GENERAL ELECTRIC
GENERON
GUILD ASSOCIATES INC.
HALLIBURTON
HAMMELMANN GMBH
Hamon Deltak
Hayward Gordon
Industrial Technology Management
INGERSOLL RAND
INNOVATIVE STEAM TECHNOLOGIES
JOHN WOOD GROUP PLC
KEMIRA OYJ
Kinder Morgan
KOCH SEPARATION SOLUTIONS
LEISTRITZ CORP.
LINDE AG
MASCHINENFABRIK AUGSBURG-NUREMBERG (MAN) SE
Membrane Technology Research
MITSUBISHI HEAVY INDUSTRIES LTD.
NETZSCH
Nooter/Eriksen
NOV Inc.
OCCIDENTAL PETROLEUM CORP.
Oil Chem Technologies
PETROLIAM NASIONAL BERHAD (PETRONAS)
PQ CORP.
Premier Energy
Rolls-Royce
SCHLUMBERGER LTD.
SIEMENS
SNF Group
SPM OIL & GAS INC.
STEPAN CO.
Stream-Flo
Sulzer
TAM International
TEi-Struthers Wells
TEXAS IRON WORKS CORP.
UBE CORP.
Unitech Asia Pacific Ltd.
Veolia
VOGT POWER INTERNATIONAL INC.
Weatherford International