The company's factory next to Lyon
Founded in 1947 by Léon Deloge, the company was then called SEA Deloge and was already designing traffic control equipment.
The initials S.E.A. stand for "Electro-Automatic Signaling".
Having become SEA Signalisation in 1986, the company's historic headquarters have always been based in the Lyon region, which explains the large number of SEA equipment in this region.
The best known products are Horizon lights (manufactured since 1976), Nixea lights (since 2007), and the CLP controller. SEA equips many tram lines in particular, and is present in several countries.
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