Air Products and Chemicals, Inc.
AJAX Magnethermic Corporation
American Combustion Inc.
Canefco Limited
Castal Ltd.
Consolidated Engineering Co., lnc.
Davy International
Ebner Furnaces, Inc.
Gautschi Electro-Fours LTD
Italimpianti of America Inc. (ITAM)
Junker Inc.
Kubota Metal Corporation
Andrew J. Lechner P. E.
Mechatherm International Ltd.
Seco Wanwick Corporation
Siemens Energy & Automation, Inc.
Surface Combustion
Thorpe Technologies Inc.
Wellman Furnaces Ltd.