Supported by multi media advertising (outdoors, in store, roadside and delivery trucks) Margnat wines became a familiar sight in French towns and the countryside.
Concentration in the French wine industry started in 1965 through mergers to create national companies.
As Sapvin had done previously, Margnat SA kept the SVF name and became "Société des vins de France".
In 1971 SVF acquired DMS cy (distribution of selected brands) and its subsidiary[9] DML (local markets development).
It was no longer a family owned business and the brothers Margnat sold their minority stake and retired from the wine industry.