The company was located at Courbevoie on the north side of Paris, but relocated in 1927 to nearby Levallois-Perret following the death of Paul Dupuy, who till then had participated in the running of the business.
•
Following the second death the business relocated the short distance to Levallois-Perret, and this was accompanied by a name change to Société Nouvelle des Autos Sizaire.
Trois Frères | Maus Frères | Les Freres Corbusier | Kyriazi Freres | Soyons unis, devenons frères | Sizaire-Naudin | Mariage Frères | French ship Deux Frères | ''Deux Frères'' | Certina Kurth Frères |