Up to date, the list of SOEM main references encompasses:

•  TRACTORS: CNH, CARRARO, O & K, LANDINI, AGRITALIA, OGNIBENE, BONFIGLIOLI RIDUTTORI, SIAP,
  ELBE, PNH, MINIGEAR;
•  HARDWARE / AUTOMOTIVE: DELL'ORTO, BITRON, GRAZIANO TRASMISSIONI, SACHS BOGE (ZF),
  SKF, OLSA;
•  AUTOMOTIVE: AUDI-LAMBORGHINI, STOLA;
•  MOTORCYCLE: PIAGGIO, APRILIA, DUCATI ENERGIA;
•  HANDLING: BOLZONI;
•  APPLIANCES: RIELLO, POLTI, SELNOR-BRANDT, OCEAN, IMETEC;
•  REFRIGERATION: LU-VE CONTARDO;
•  ELECTRONIC: ELETTRONICA SANTERNO, DATA-LOGIC, URMET, ANSALDO SIGNAL, SELECO
  SIM2;
•  AIRCRAFT: RINALDO PIAGGIO, AERMACCHI;
•  ALUMINIUM: COMITAL, COFRESCO (DOMOPACK);
•  PLASTIC: BORLA, PLASTIAPE;
•  PUMPS: CAPRARI, NOCCHI;
•  MACHINE TOOPLANT: IMT (TACCHELLA, MECCANODORA, FAVRETTO, DECIMA), PRIMA INDUSTRIE,
  DONATI-DEMAG, IMAS TRANSFER, STAMPAF, OAM-CAM;
•  AUTOMATIC MACHINES: EMMECI, ZANICHELLI MECCANICA;
•  PHARMACY / HOSPITAL: ROCHE, CARL ZEISS;
•  FOOD: MONGE LECHAT, CAMPARI, ILLY, AUDISIO, SEDAMYL, BARBERO 1891;
•  CLOTHING: NORDICA, CALZE POMPEA;
•  SAFETY: INGERSOLL RAND, ELKRON;
•  SERVICES: TNT-CEVA, FRANCOROSSO (ALPITOUR).