The answer depends on what "best" means to you.
The Savage Arms Company is an American manufacturer of firearms. One can purchase Savage firearms accessories directly from the manufacturer's website.
japan
Ruger
Probably.
The symbol for Benelli, an Italian firearms manufacturer, is a stylized lion. It is featured prominently on their firearms and branding.
As of 2021, Serbu Firearms is a company, not a place with a population. It is a firearms manufacturer founded by Mark Serbu in Tampa, Florida. It is not a location with a resident population.
Glock. They are the manufacturer of firearms with their name.
Firearms manufacturer in Lancaster, Pennsylvania, c. 1910-1920.
A manufacturer and distributor of firearms located in NC, they closed in 1999.
Between 1894 and 1930.
Nope. They were an importer, not a manufacturer, and went out of business in 1996.
pt (patent) fa (firearms) mfg (manufacturer)