You are invited to visit the web sites of any of the industry-related companies below

Denali, Inc.– Parent company to CSI and other companies which together provide a comprehensive range of products and services for handling critical fluids through strategic acquisition and internal growth.

Belco Manufacturing Co. Inc. (A Denali Company) – Manufacturer of FRP Vessels, Pipe and Duct, Fiberglass Dampers and other custom and commodity products for the water and wastewater industries.

Ershigs, Inc. - providing design, manufacture, and construction of FRP and other plastic composites used in industrial applications where corrosion resistance is a requirement.