The company was founded in 1986 by Spencer and Gloria Frazer and was inspired to choose its name by reason of the Joint Services Special Operations unit known as the Military Assistance Command, Vietnam Studies and Observations Group (MACV-SOG). ) who developed his own knife during the War in Vietnam. Changes were made to the original design of the MACV SOG Fighter, in order to improve it and produce it in series, thus the famous SOG Bowie (S1) was born. They also produced the SCUBA/Demo knife, which is a replica of one of the rarest military knives to date (only 1 of the 39 original knives produced has survived to this day). A second "maritime" version of the Bowie (S2) was made using a black micarta handle and stainless steel blade known as the Trident. It was decorated with the US Navy SEAL emblem instead of the Special Forces shield found on the Bowie. The original S1 and S2 classic bowies were made for SOG by Ichiro Hattori of Seki Japan until 2006. The other models were made by Kinryu Corp. also of Seki until 2007.
SOG also manufactures a knife used by US Navy SEALs called the SEAL 2000, it is a polymer handled knife that was designed for US Navy SEALs in 1992.
Today, SOG is a true innovator in the knife industry, having won many industry awards and was one of the first companies to be synonymous with a modern high-tech image. Manufactures a variety of tools available to military personnel and outdoor users. SOG has developed knives for survival, hunting and outdoor activities, such as Tech Bowie, as well as folding knives, many of which feature assisted opening technology, such as Aegis, Twitch and Trident. SOG also makes multiple tools including Paratool, PowerLock and PowerAssist.