Founded in 1816 by Antoine Brutus Menier, Menier was France's leading chocolate manufacturer until the mid-20th century. The firm, which remained controlled by the Menier family until 1960, is now owned by Swiss giant Nestlé.
For more information about the company, you can check the wikipedia page. La saga Menier is a great website (in French) dedicated to the history of the company and its products, and includes lots of documents, advertisements, objects, etc.
Location: D 137, lieu-dit Le Pérou, Saint-Dizant-du-Bois, Charente-Maritime / Pictures taken in May 2012