EJIW is a leader in the manufacturing and distribution of construction castings used in road building, underground construction and utility construction. Products include storm and sanitary manhole frames and covers, drainage castings, utility construction castings, trench and tree grates, airport and port authority castings, monument boxes and covers.

Performance Pipe is North America’s largest producer of polyethylene piping products for gas, industrial, municipal, mining, oilfield and utility applications.

Kristar is a manufacturer of stormwater management products for controlling pollutants from stormwater runoff. They offer a complete “treatment train” approach to stormwater management systems.