Shield S.r.l.
Manufacturer of reed and hall effect based magnetic switches, connectors for electrovalves, m12 and m8 IEC 60947-5-2 round connectors. Conform to DIN standards. Based in Italy.
http://www.pickeringswitch.com/
http://www.rossengineeringcorp.com/
http://www.soyniaelectronics.com/