Neenah Foundry CO

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
NBNeenah Brass & Aluminum Foundry CO	Neenah	Nonferrous Metal Foundries 331522	◇ UNVERIFIED	3.5 KM
Crucible Metal Solutions INC	Menasha	Aluminum Foundries (except Die-Casting) 331524	● ACTIVE	9.0 KM
Mach Forge Industries LLC	Oshkosh	Nonferrous Forging 332112	● ACTIVE	11.3 KM
Wisconsin Ordnance Works LTD	Oshkosh	Military Armored Vehicle, Tank, and Tank Component Manufacturing 336992	● ACTIVE	13.6 KM
Perfect Patterns, INC.	Appleton	Industrial Mold Manufacturing 333511	● ACTIVE	16.4 KM

Every listed plant in Winnebago County

Also at this address

2 other records share this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.

Where this record comes from

2 sources hold this plant, and 9 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

• EPA Facility Registry ServiceEXISTENCE
  Record 110072238410 · first seen JUL 2026 · last seen JUL 2026
• DOL Form 5500 retirement plan filingsOPERATING
  Records 251618281|WI|54956|2121 brooks ave, 391580331|WI|54956|2121 brooks ave · first seen DEC 2024 · last seen DEC 2024

IN WINNEBAGO COUNTY4 other plants share this one’s industry (Foundries, NAICS 3315); 2 of them have a size band on record.

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Name

EPA: NEENAH FOUNDRY CO · OCT 2026

Street address

EPA: 2121 BROOKS AVE · OCT 2026

City

EPA: NEENAH · OCT 2026

State

EPA: WI · OCT 2026

County (FIPS code)

EPA: 55139 · OCT 2026

Coordinates

EPA: 44.16243,-88.47349 · OCT 2026

Employees (band)

DOL: 500+ · DEC 2024

Retirement plan filing (Form 5500)

DOL: 829 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024

State business registrationSOURCES DISAGREE

CO SOS: Neenah Foundry Company, registered with the Colorado Secretary of State; Corporation formed in Delaware; registered 2007-05-24; active, annual report filed 2026-05-28 · MAY 2026

Sunbiz: NEENAH FOUNDRY COMPANY, registered with the Florida Department of State, Division of Corporations; Corporation formed in Delaware; registered 2025-03-06; active, annual report filed 2026-05-06 · MAY 2026

OR SOS: NEENAH FOUNDRY COMPANY, registered with the Oregon Secretary of State, Corporation Division; Corporation formed in Delaware; registered 2010-07-27; active · JUL 2010