Nautilus Hyosung America (NHA) is a subsidiary of Nautilus Hyosung Inc., a technology leader of self-service solutions in hardware, software and banking services with over 30 years of experience in the industry.. Our US operations were established in 2007, and we fast became the number one provider of retail ATM¡¯s in US and Canada and quickly becoming one of the top 2 players in the U.S. financial institutions market. Nautilus Hyosung America is headquartered in Irving, Texas.