About Us

Our Company

Neenah Enterprises, Inc. (NEI), has consistently maintained its industry leadership, delivering durable and expertly engineered structural and sustainable casting solutions for customers in Infrastructure and Industrial markets.

Markets We Serve


NEI is one of the most comprehensive infrastructure manufacturers in North America. Some of our most recognizable products include manhole covers and frames, trench grates and frames, and the widest selection of tree grate solutions, among many other drainage products.

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As a Tier 1 and OEM supplier of reliable, durable, and high-quality custom cast iron solutions, NEI serves a variety of markets including agriculture, material handling, mining, railroad, and many others.

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Our Advantage

150 years of developing expertise in iron castings to provide you with reliable supply, an engineering staff with over 130 years of experience, innovation, state of the art manufacturing, and products that meet your specifications and enable your business objectives.

Our Brands

Neenah Enterprises, Inc.

Serving customers in the US and internationally, NEI is headquartered in Neenah, WI, with manufacturing facilities in Neenah, WI, Lincoln, NE and Medley, FL. Our brands include Deeter Foundry, Neenah Foundry and US Foundry.

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