Byrna Technologies, Inc. is a less-lethal self-defense technology company, which engages in the business of developing, manufacturing, and selling innovative less-lethal personal security solutions. The company is headquartered in Andover, Massachusetts. The company went IPO on 2013-06-21. The firm is the manufacturer of the Byrna SD personal security device, a handheld carbon dioxide (CO2) powered launcher designed to provide a less-lethal alternative to a firearm for the consumer, private security, and law enforcement markets. The Company’s product portfolio includes handheld personal security devices and shoulder-fired launchers designed for use by consumers and professional security customers without the need for a background check or firearms license; a line of projectiles that are fired by Byrna devices, including chemical irritant, kinetic and inert rounds; a line of self-defense aerosol products, including Byrna Bad Guy Repellent; and accessories and related safety products, including the Byrna Banshee, Byrna Shield, compressed CO2 canisters, sighting systems, holsters and Byrna-branded apparel.