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Neumann CO INC

428 S Lapham St, Oconomowoc, WI 53066

LIKELY ACTIVELAST SEEN IN FEDERAL DATA DEC 2025 · 3 SOURCES

Operating signal within 24 months, or from a single source.

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What they make

Millwork321910

Where it is

43.10586, -88.48587 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS
STREET VIEW

Other plants nearby

FacilityCityIndustryStatusDistance
The American Craftsman LLCEagleWood Office Furniture Manufacturing
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Fisher Barton BladesWatertownAll Other Miscellaneous Wood Product Manufacturing
321999
LIKELY ACTIVE20.0 KM
UFP Hartford LLCHartfordWood Container and Pallet Manufacturing
321920
LIKELY ACTIVE27.1 KM
Lumber Sales & Products INC.JacksonWood Container and Pallet Manufacturing
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UNVERIFIED35.0 KM
Connected Technology Solutions, LLCMenomonee FallsAll Other Wood Product Manufacturing
321990
ACTIVE33.4 KM

Every listed plant in Waukesha County

Also at this address

No other federal record shares this street address.

Where this record comes from

3 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 cross-references this facility in OSHA-OIS, RCRAINFO, WI-ESR · EPA site type STATIONARY.

  • OSHA injury and illness reportsOPERATING
    Record 90253 · first seen DEC 2025 · last seen DEC 2025
  • DOL Form 5500 retirement plan filingsOPERATING
    Record 391418597|WI|53066|428 s lapham st · first seen MAY 2025 · last seen MAY 2025
  • EPA Facility Registry ServiceEXISTENCE
    Record 110005473610 · first seen FEB 2016 · last seen FEB 2016

IN WAUKESHA COUNTY8 other plants share this one’s industry (Other Wood Product Manufacturing, NAICS 3219); 0 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: NEUMANN CO INC · OCT 2026
Street address
EPA: 428 S LAPHAM ST · OCT 2026
City
EPA: OCONOMOWOC · OCT 2026
State
EPA: WI · OCT 2026
County (FIPS code)
EPA: 55133 · OCT 2026
Coordinates
EPA: 43.10586,-88.48587 · OCT 2026
Employees (band)
OSHA: 20-99 · DEC 2025
Retirement plan filing (Form 5500)
DOL: 24 active participants, plan year ending 2025-05-31, 1 plan(s) · MAY 2025
Hazardous waste generator (RCRA)
EPA ECHO: SQG · OCT 2026

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