Sumitomo Global

SEI Group: 

SEI Global: http://global-sei.com/

Schwesterfirmen in Europa: 

Sumitomo Electric Bordnetze AG:

http://www.sebn.com/ 

Sumitomo Electric Wiring Systems Europe, Ltd.:

http://www.sews-e.com/ 

SEWS-Cabind S.p.A.:

http://www.sews-cabind.it/it