Volvo Penta Sweden
DEUTZ Germany 
Rolls-Royce Power Systems Germany 
 Beijing New Metallurgical Machine & Equipment Co.,Ltd(BNMME) China 
 BINA PERTIWI Indonesia 
 Caterpillar Inc United States 
 Conjet AB Sweden 
 Cummins Inc. United States 
 Deutz Corporation United States 
 Dry Systems Technologies United States 
 Ellefson Off Highway United States 
 Europe Tractor Parts srl Italy 
 Expert Diesel S.A. Panama 
 Finnish Radiator mgf.co Ltd Finland 
 FUELACTIVE United Kingdom 
 GFS Corp United States 
 Grady Enterprises Inc United States 
 Heavy Quip Sales Inc. United States 
 Hilliard Corporation United States 
 Hoss Equipment Company United States 
 Impac Systems Engineering United States 
 Independent Rebuild Specialist LLC United States 
 Industrial Diesel United States 
 Interstate McBee United States 
 Intl. Energy Products United States 
 IPD United States 
 IPD Australia Pty Ltd Australia 
 JCB Power Systems Ltd. United Kingdom 
 John Deere Power Systems United States 
 Joseph Industries, Inc. United States 
 Komatsu United States 
 Kraft Power Corporation United States 
 KSD Enterprises United States 
 L & M Radiator Inc. United States 
 Loeb Winternitz Industrial Auctioneers United States 
 McDowell Brothers Industries Inc. Canada 
 MTU United States 
 MTU Germany 
 MTU Mongolia Mongolia 
 Prestolite United States 
 Prime Power North South Africa 
 Shell Lubricants United States 
 Spectro Scientific United States 
 Subaru Industrial Power Products United States 
 Sumitomo Machinery Corporation of America United States 
 TESCO United States 
 TopFiltration Europe Netherlands 
 Toshiba International Corp. United States 
 Turbo Precleaner United States 
 Vanair Manufacturing Inc United States 
 Wartsila Oy Finland