BEUMER Group GmbH & Co. KG Germany
Geometrica Inc. United States
Sandvik Mining and Rock Solutions Sweden
AUMUND Foerdertechnik GmbH Germany 
SCHADE Lagertechnik GmbH Germany 
 Boyce, Graybeal, Sayre, Inc United States 
 Centry Constructors & Engineers United States 
 Compro Systems United States 
 CQ Inc United States 
 Cypher Environmental Ltd. Canada 
 Domtec International LLC United States 
 Elrus U.S.A. Ltd. United States 
 FLSmidth Inc United States 
 Imperial Technologies Inc. United States 
 IPD United States 
 Kinder Morgan Bulk Terminals Inc United States 
 Laidig Systems Inc. United States 
 Loeb Winternitz Industrial Auctioneers United States 
 Metso Minerals Industries Inc United States 
 Newmont United States 
 PEBCO Incorporated United States 
 Permastore United Kingdom 
 Prime Power North South Africa 
 Roberts & Schaefer Co United States 
 San-Con Industries Inc United States 
 Telestack International Ltd. United Kingdom 
 The Mackwood Group of Companies Ltd. Canada