1875: The plant was established by MM. GUTTIN and LANDOIS starting from a small workshop manufacturing wire and tips.
1885: The business was taken over by M.de HENNAU, engineer of the Arts & Manufactures.
1897: The factory takes on the name S.A. des Forges, Tréfilerie et Pointerie de CREIL (Forge, Wire- and Spikeworks of Creil) , manufacturing diverse products such as wire from bright, annealed, galvanized, tinned and nickel-plated steel; spikes, iron nails, rivets...
1920: The DE WENDEL group acquires the factory and develops the wire rod business.
1980: Merger with TREFILUNION of the SACILOR Group, the plant specializes in manufacturing concrete reinforcing products such as welded mesh and high-adherence wire.
1986: USINOR SACILOR Group sites producing welded mesh and reinforcement are grouped into a single entity: ACOR.
1993: After UNIMETAL broke apart, a new entity was created under the name SAM (Société des Aciers d’arMature du béton), regrouping steel operations for concrete reinforcement. The company ACOR becomes a subsidiary of SAM.
1995: USINOR sells SAM and its subsidiaries (including ACOR) to the British group ASW (Allied Steel and Wire).