5. Glock
Number of guns made for the US market in 2014: 794,000
Estimates of the global revenue in 2014: $400 million
From far 1963, the Austrian company provides the market with one of the finest pistols in the world. Iconic Glock 17 gained popularity because of its ruggedness and reliability, and its popularity brought around 2, 5 million sales a year for the company. Alongside the famous 17, there are other models coming from this company: the Glock 33, 18, 42, 19. The law enforcement agencies and security agencies worldwide often choose Glock 19 over others for its durability, easy maintenance, and ruggedness.