SIG Sauer GmbH, more commonly known as SIG Sauer, is a subsidary of the Swiss firm L&O Holding, based in Eckernforde, Germany. Recognised as a producer of high quality, highly engineered firearms, SIG Sauer is in the top five firearm companies in terms of size and sales. Their range of pistols and rifles are highly desired, particularly in the US by both civilians and police and armed forces.