ALFA B&W, ALLEN, BAUDOUIN, BLACKSTONE, B&WEIN, BERGEN, CATERPILLAR, CREPELLE, CUMMINS, DAIHATSU, DETROIT, DEUTZ/KHD/MWM, DORMAN, DOXFORD, FAIRBANKS, GMT-FIAT, GOTAVERKEN, KUBOTA, IVECO AIFO, ISOTTA FRASCHINI, LISTER, MAK, MAN, MERCEDES, MIRRLEES, MTU, NOHAB POLAR, PAXMAN, PERKINS, PEGASO, RUSTON, SCANIA, SKL, SW, STORK, VM MOTORI, YANMAR, WARTSILA, WERKSPOOR.