CSI is home to the industrys most capable engineering team with the ability to create complete custom systems to meet your specific needs, including PLCs, variable frequency drives, specialized digital controllers, hi......CSI is home to the industrys most capable engineering team with the ability to create complete custom systems to meet your specific needs, including PLCs, variable frequency drives, specialized digital controllers, highly sophisticated telemetry equipment and more. In addition to our custom panel expertise, we are committed to innovation in product development. We continually raise the bar in our industry for cutting edge products.