Barrett Firearms Manufacturing
Barrett Firearms Manufacturing is an Australian-owned, American manufacturer of firearms and ammunition located in Christiana, Tennessee. It was founded in 1982 by Ronnie G. Barrett for the purpose of building semi-automatic rifles chambered for the .50 BMG (12.7×99mm NATO) ammunition, originally developed for and used in M2 Browning machine guns.
Source: Wikipedia — Barrett Firearms Manufacturing (CC BY-SA 4.0)