SEDI Fibres Optiques founded in 1972 and its sister company ATI Optique founded in 1951 have decided to merge their activities in 2012 into a single organisation named SEDI-ATI Fibres Optiques.

SEDI-ATI recently started to concentrate on the production and development a fibre optic components only, who are used in telecom, industrial, medical and military applications. Their catalogue product range covers passive components like couplers, WDM's, filters, hermetic feedthrough, and patchcords.

Their R&D lab and on-site workshops (mechanical, moulding, assembly lines) allow them to serve custom requests like components with any type of fibre, custom filters, components ruggedized for challenging environments.