SilencerCo is a manufacturer of firearm silencers headquartered in West Valley City, Utah. Since its founding in 2008, SilencerCo has grown to become the number one suppressor manufacturing company in the United States with products covering a variety of calibers, including: SilencerCo also offers a line of silencer-optimized ammunition and sells threaded pistol barrels for Glock 17L, Glock 17, Glock 21, Glock 19 and Glock 34 handguns. SilencerCo was founded in 2008 by CEO Joshua Waldron and President Jonathon Shults. Soon after, SilencerCo launched its first product, a .22 caliber silencer called the Sparrow. SilencerCo specializes in creating products that improve sound reduction levels, durability, form and function, ease of use and user serviceability.