Berliet?
I'd suggest to narrow the list of single-named French makers active in 1905...
This is what I meant.
You can drop those 16 makes.
Not only in 1905...slightly before and not much longer after.(according to 4 different sources)
BERLIET (1.895 - 1.939)
Berliet was a French manufacturer of automobiles, trucks and other utility vehicles. Marius Berliet began experimenting with automobiles in 1894. After a few single-cylinder vehicles in 1900 built its first twin.
In 1902, Berliet took over the plant of Audibert and Lavirotte in Lyon. Berliet then began to build four-cylinder cars with honeycomb radiator and steel chassis frame instead of wood as usual. The following year, launched a similar model Mercedes that time.
In 1906, Berliet sold a license for your model was manufactured by the American Locomotive Company.
Before the First World War, Berliet offered a range of models ranging from 60 hp to 8CV. The main models available four-cylinder engine (2412cc and 4398 cc, respectively) and had a six-cylinder model 9500cc. Between 1910 and 1912 produced a 12CV and 1539cc model. In 1912 only six units manufactured on request.
In 1917, Berliet trucks and began building cars for the French army. The company produced 40 units a day. After the war, produced models and 2613 cc 12CV, 15CV and 22CV y3308 cc and 4398cc.
In 1924 appeared a new model of 7CV and 1159 cc, and six new models appeared in 1927.
Since 1933, only offered the four-cylinder models 1600cc and 2000cc.
The only car offered by Berliet from 1936 was the Berliet Dauphine powered by a 2-liter engine.
The passenger car production ceased in 1939 and after the Second World War the company produced only trucks.
In 1967, Berliet was absorbed by Citroën.