colt remington smith & wesson mossberg
Many firearms manufacturers are owned and operated within the US. Among the more prominent manufacturers are Colt, Kimber, Springfield Armory, Bushmaster, Browning, Winchester, Marlin, Mossberg, Remington, etc.
general electric
BRNO ARMS
The Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) regulates all gun trade between the United States and foreign nations. It oversees the import and export of firearms and ammunition, ensuring compliance with federal laws. Additionally, the ATF collects taxes from firearms importers, manufacturers, and dealers under the National Firearms Act and the Gun Control Act.
As far as firearms? Taurus and IMBEL are the big manufacturers there.
AFAIK, there isn't one.
Remington Arms is in fact the largest US producer of shotguns and firearms. They manufacture and sell arms to both the military and to civilians from various resellers and retailers.
a couple or so
You will have to be more specific... there are a lot of firearms companies and manufacturers called "Keystone". Got a city/state where they operated? Anything?
Michelin is one of the largest tire manufacturers in the world, along with Bridgestone.
There are more than 129,817 Federal Firearms License holders in the United States, according to the latest Bureau of Alcohol, Tobacco, Firearms and Explosives numbers (as of Aug. 1). Of those, 51,438 are retail gun stores, 7,356 are pawn shops and 61,562 are collectors, with the balance of the licenses belonging mostly to manufacturers and importers of firearms and destructive devices.