February the 5th, 1949: SIEMA (Industrial Society for Applied Electro-Mechanics) began its activity in design and manufacture of electrical relays.

1968: Creation of a range of railway telephony.

1994: Creation of a range of monitoring and diagnostics.

2002: Acquisi…

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What we do

 SIEMA APPLICATIONS designs, develops and markets acquisition systems solutions, for transmission and railway communication in environments with high requirement of reliability and dependability in the field of transport. This is a specialized industrial society in the manufacture of e…

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