Compagnie du chemin de fer métropolitain de Paris
The original operator of the Paris Métro, later merged into RATP.
Last updated August 25, 2026
Overview
The Compagnie du chemin de fer métropolitain de Paris (CMP) was founded in 1898 to build and operate the first lines of the Paris Métro. In 1949, it was taken over by the RATP.
Products and positioning
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