Over the years, CELIANS has become a major reference in 10-4 high precision measuring for the industrials as well as testing laboratories with two ranges of products MEIRI and ANS. Therefore, CELIANS covers all needs in various application fields: aeronautics & aerospace, defence, energy, transport and a very wide spectrum of industrial applications. CELIANS stems from a know-how forged in 1974 in Paris, France, enriched with knowledge and new technologies. As part of a technical group specialized in infrastructure networks, CELIANS offers communicant measuring solutions.