Sphinx Tools Ltd.: 100% Swissmade We have been manufacturing precision tools for the machining industry since 1994 – and in doing this we consistently promote Switzerland as a center of industry. The approx. 150 employees of Sphinx dedicate themselves each day to achieving one hundred percent quality. The word spreads around: In our sites in Derendingen, Porrentruy and Grenchen we develop and manufacture solutions that are used all around the world.