Control Systems Integration Incorporated (CSI) is a full service engineering firm providing the latest control technologies and solutions. CSI provides complete engineering and configuration services for the design, implementation, installation, and start-up of process control systems. The company's services span conceptual design through validation/qualification or any phase in between. Their projects range from water/wastewater to the biotech/pharmaceutical arena. CSI is a division of Cain Electric, Inc., established 1967. The company has in-depth experience with the evolution of the controls industry, from the original hard-wired relay logic to PC based control.