The short answer is that yes, many designers and luxury brands, even those not based in Italy, produce their clothing, footwear, and accessories in Italy because the artistry and attention to detail is very good there, so the quality is also very good.
Hermès
“It was the Italians who were the first to revive the ancient use of luxury as a term of denigration for the aspirational consumption of non-elites, and it was also the Italians who were the first to invent a new word in the vernacular to describe this consumption—lusso, or luxury.” (Lusso was coined by a poet in 1441, ...
10 Oldest Companies in the World
Brooks Brothers
Here is a list of Top 10 Bestselling, Popular Clothing Brands In The World, with a sneak peek into their bios
The FashionUnited Index of Most Recognized Fashion Brands gathers the largest fashion brands in the world by brand value....Most valuable fashion brands.