NEI's extra heavy-duty airport and port castings are exclusively manufactured to support the loadings imposed by all commercial and military aircraft.
Neenah Foundry has been producing cast iron trench systems since the early 1900s. We are the innovation leader in the industry. Our cast iron trench systems offer appealing aesthetics, exceptional longevity, and low maintenance.
Built with lasting form and function in mind, you can be confident our trenches will stand strong in any climate, for every installation. Specifiers can rely on repeatable hydraulic performance.
Our trench products are made in the United States and are approved for federally funded projects.