The story
The company was founded in 1872, with a capital of 2,500,000 francs to utilise the works of the Société Charles Bonnefond et Cie. in Ivry-sur-Seine.
In 1911 the company acquired the Tilleul works ("le Bois du Tilleul" founded 1844.) in Maubeuge. The factory closed in 1970.
In 1919 CFMCF along with five others: the Forges et aciéries de la Marine et Homécourt, the Chemins de fer de Paris à Lyon et à la Méditerranée (PLM), Compagnie du chemin de fer de Paris à Orléans (PO), établissements Schneider, and the Société des forges de Châtillon-Commentry-Neuves-Maison founded a new company: the Compagnie générale de construction et d'entretien du matériel de chemin de fer (CGCEM) with a capital of 15 million francs; the new company's business was the repair and maintenance of railway vehicles, and had works in Nevers and Villefranche-sur-Saône serving the PLM, and at Saint-Pierre-des-Corps serving the PO.
From Wikipedia’s article on Compagnie française de matériel de chemin de fer, shared under CC BY-SA 4.0.3