Formed in Paris by 1916 with Head Office in Billancourt. Originally pump mnufacturers but made aircraft engines during WWI and then motor cars until 1957.
Capital 2,400,000 francs in shares of 100 francs. Increased in 1917 to 12,000,000 in shares of 100 francs. By 1923 he capital had changed to 20,000,000 francs in 24,000 actions de jouissance, 96,000 actions ordinaires and 80,000 actions privilégiées. IN 1929 the capital was again increased to 32,000,000 in 24,000 actions de jouissance, 196,000 actions ordinaires and 80,000 actions privilégiées and 20,000 actions à vote plural.