ABB ASEA BROWN BOVERI LTD.
AMETEK INC.
ASPEN TECHNOLOGY INC.
BOSCH GROUP
DWYER INSTRUMENTS Inc.
EMERSON ELECTRIC CORP.
ENDRESS+HAUSER
HEWLETT PACKARD
HONEYWELL INTERNATIONAL INC.
INFOSYS LTD.
INTERNATIONAL BUSINESS MACHINES CORP. (IBM)
MITSUBISHI ELECTRIC CORP.
NATIONAL INSTRUMENTS CORP.
OMRON CORP.
ROCKWELL AUTOMATION INC.
RUDOLPH TECHNOLOGIES INC.
SAP
SCHNEIDER ELECTRIC
SIEMENS AG
TATA CONSULTANCY SERVICES
YOKOGAWA ELECTRIC CORP.