Services - Engineering Services - ProgrammingSega provides application software services for the power industry including state of the art distributed control system (DCS) configuration, programmable logic controller (PLC) logic configuration, and HMI graphics design. Sega uniquely custom designs CADD control systems for the end user. We are experienced in many of the industry’s top control systems available on the market today. Our one-stop shop allows our customers to couple traditional Architecture/Engineering control services with application software services for most DCS and PLC systems.