The story
Founded by De Dietrich.1
Origins
DDF constructed the carriages for the Enterprise train service jointly operated by Iarnród Éireann and Northern Ireland Railways between Dublin in the Republic of Ireland and Belfast in Northern Ireland.
DDF were part of the consortium which constructed the rolling stock for the Eurostar service from London in the United Kingdom through the Channel Tunnel to Paris, France and Brussels, Belgium.
In the 1990s, a majority stake in DDF was acquired by Alstom.
From Wikipedia’s article on CAF Reichshoffen, shared under CC BY-SA 4.0.4