C.S.O., spol. s r.o. is a Czech precision machining company founded in 1992 in Staré Město. The company is an approved supplier of critical machined components for international civil aviation leaders (such as Airbus programs), instrumentation makers, and advanced mechanical systems.
With a comprehensive machinery park comprising multi-axis machining centers and CNC lathes, C.S.O. specializes in manufacturing high-precision parts characterized by complex geometries, tight tolerances down to IT6, and stringent surface cleanliness requirements.