Thiers-Issard is the old French company.
The founder was Pierre Thier(1860–1929). Issard was his wife's surname.
The company in business since 1884.
After the founder death, the owner was Pierre Thier Jr.(1884 - 1962).
Later, one more Pierre Thier(1914 - 1997) and Louie Thier(1910 - 1985) got in business.
In 1985, the company was sold to present owner Gilles Reynewaeter.