With 30 years of marketplace experience, Castles Technology International Corp. has established itself as a Top 5 global manufacturer of next-generation card acceptance technologies. Our innovative and dynamic payment applications support industries such as finance, retail, hospitality, laundry and transportation. Simply put... We are challengers of the status quo. We are heavy lifters. We are creators of simple, smart & secure payment solutions. Our US headquarters are based in Atlanta, a burgeoning metropolis for payments and financial technology. Our global headquarters are in Taipei City. Castles also has regional offices in Spain, Italy, Singapore and Japan.