Horner APG creates Operator Control Stations (OCS), a robust, reliable All-in-One controller that combines a controller, operator interface, I/O and networking into a single unit. OCS uses a single FREE software package (programmed in ladder logic) and has a 2-year warranty and FREE technical telephone support. Headquartered in Indianapolis, USA, we are a global operation with divisions in Ireland and India with worldwide sales offices in Brazil, Australia, and China.