RadioShack Corporation (formerly Tandy Corporation) (NYSE: RSH) runs a chain of electronics retail stores in the United States, as well as parts of Europe, Central America and South America. As of 2003, it has more than 6,000 stores in the USA and reported net sales and operating revenues of $4.6 billion. RadioShack briefly reopened stores in Canada after losing its former subsidiary InterTAN (independent since 1986) to a purchase by Circuit City in 2004. However in December 2006, RadioShack Canada announced it would be closing its nine corporate stores to focus on strengthening its core business in the US. The head office of RadioShack is located in Fort Worth, Texas.
RadioShack's current proprietary brands include Presidian (audio and video equipment), Accurian (audio equipment and video equipment), Optimus (digital imaging products), Gigaware (personal computer accessories), Voicestar (Hands-free headsets), MyMusix (MP3 players) and Enercell (batteries and power accessories). Discontinued brands include Realistic (sound equipment), and Archer (wiring and antennas).