The Gros-Grenier-Ostorero & Cie factory

1908
Merger of the small pipe firms Ostorero (22 rue du Faubourg Marcel) , Grenier (rue Carnot) and Vidaillet-Gros (22 et 24 rue des Etapes).
1918
The Gros-Grenier- Ostorero & Cie acquires on one hand the premises at 22-28 rue du Faubourg Marcel and on the other hand those at 12-16 in the same street.

▲ Facade of the premises (22-28 rue du Faubourg Marcel) used to host employees.
Observe on upper part the ebauchon drying shed of Chapuis-Comoy and the northern part of Delacour's plant.

▲ River side of the factory at 12-16 rue du Faubourg Marcel (1997)

1918 - 1939
The firm production was for the most part meant for exportation (USA, Scandinavia, germany ...).
Number of employees: about 100
1948
The corporate is managed by Georges Grenier, Vincent Osterot, and André and Robert Vincent.
Number of employees: 70

1981
Number of employees: 25
Closing down.