ABB LTD.
AMETEK INC.
BANNER ENGINEERING CORP.
BEANAIR
EATON CORP.
EMERSON ELECTRIC CO.
ENDRESS + HAUSER GROUP SERVICES AG
GENERAL ELECTRIC CO.
HONEYWELL INTERNATIONAL INC.
MONNIT CORP.
NATIONAL INSTRUMENTS CORP.
OLEUMTECH CORP.
OMEGA ENGINEERING INC.
PHOENIX CONTACT GMBH & CO. KG
ROCKWELL AUTMOMATION INC.
SCHNEIDER ELECTRIC
SIEMENS AG
STMICROELECTRONICS N.V.
TEXAS INSTRUMENTS INC.
UNITED ELECTRIC CONTROLS
YOKOGAWA ELECTRIC CORP.