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Neenah Foundry

With almost 150 years of experience, Neenah Foundry is a manufacturer and provider of highly engineered, structural, and sustainable solutions for a variety of Infrastructure and Industrial end-market customers.

The Company is the largest independent foundry in the US and produces gray and ductile iron castings. Neenah Foundry’s most recognizable products include manhole covers and frames, inlet frames and grates, tree grates, and cast-iron trench grates in roads and airport runways across America and internationally. Neenah Foundry is part of the Neenah Enterprises, Inc., group of companies.

Our vast portfolio of structural and sustainable solutions to meets your standard and customized requirements. Neenah Foundry engineers develop robust, cost-effective casting designs using the latest 3D modeling and simulation software to ensure our designs meet the needs of our customers.

We offer conversions of steel fabrication to cast iron and aluminum to cast iron, both providing cost savings, durability, and enhanced strength over the life of your product.

Industrial Products
  • Brackets
  • Compressor Housings
  • Frames
  • Gearboxes
  • Hydraulic Components
  • Powertrain Components
  • Track Components
DISTRIBUTION CENTERS

Neenah Foundry has warehouse and distribution centers located throughout the US.

CAPABILITIES
  • Engineering
    • Steel fabrication to cast iron
    • Aluminum to cast iron
    • Design for Manufacturing
  • Manufacturing
    • Casting, machining, welding, assembly 
    • Diverse core-making capabilities
    • In-house pattern-making 
    • Automation and robotics
    • Additive Manufacturing (3D sand printing) 
  • Quality
    • Neenah Foundry implements a Quality Management System and is registered to ISO 9001 and IATF 16949.
CERTIFICATIONS
  • NF COMPANY – ISO 9001:2015
  • PLANT  3 – IATF 16949:2016
  • PLANT 2 – IATF 16949:2016

OUR INFRASTRUCTURE SOLUTIONS

ACCESS & HATCH COVERS

View NEI's full line of cast-iron access and hatch covers engineered and manufactured for a variety of applications. Related products include airport ...

AIRPORT PRODUCTS

NEI's extra heavy-duty airport and port castings are exclusively manufactured to support the loadings imposed by all commercial and military aircraft....

BRIDGE DRAINAGE

Neenah Foundry has been the leading producer of cast iron bridge scuppers for drainage for more than fifty years. Related products include airport pro...

BOLLARDS

Neenah Foundry is the industry leader in the protection of pedestrians and facilities, with bollards that define perimeters. Related products include ...

DETECTABLE WARNING PLATES

NEI's regulatory-compliant cast iron detectable warning plates (DWP) offer appealing aesthetics, exceptional longevity, and freedom from maintenance. ...

DOWNSPOUT BOOTS

Neenah Foundry downspout boots provide reliable and efficient water drainage with exceptional longevity and freedom from maintenance. Related products...

INLET FRAMES & GRATES

Neenah Foundry has been the market leader in inlet frames and grates for decades, with the widest market variety and outstanding durability for water ...

MANHOLE FRAMES & COVERS

NEI manufactures cast iron manhole frames and covers in various sizes, shapes, and designs, including logo customization. Related products include acc...

TREE GRATES

Neenah Foundry manufactures a wide variety of beautiful cast iron tree grates and fabricated steel tree guards. Related products include access & hatc...

TRENCH FRAMES & INLET SOLUTIONS

Neenah Foundry produces cast iron trench frames and inlet solutions with appealing aesthetics, exceptional longevity, and low maintenance. Related pro...

VALVES & GATES

Control water volume and pressure with reliable, worry-free performance and exceptional durability.

Neenah Foundry

2121 Brooks Ave
Neenah, WI 54956

Phone: 920-725-7000
Fax: 920-729-3661
Videos

Material Handling Industry

Neenah Foundry’s iron castings have helped provide strength & durability to the remarkable machines that drive agriculture.
Videos

Agriculture Industry

For decades, Neenah Foundry’s iron castings have helped provide strength and durability to the remarkable machines that make modern agriculture possible.