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Heraeus Electro-nite CO LLC

541 Industrial Dr, Hartland, WI 53029

LIKELY ACTIVELAST SEEN IN FEDERAL DATA DEC 2025 · 2 SOURCES

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

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What they make

Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables334513

Where it is

43.09857, -88.35410 · CENSUS TIGER
COUNTY
METRO AREA
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Every listed plant in Waukesha County

Also at this address

No other federal record shares this street address.

Where this record comes from

2 sources hold this plant, and 8 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 WI-ESR · EPA site type STATIONARY.

  • OSHA injury and illness reportsOPERATING
    Record 49309 · first seen DEC 2025 · last seen DEC 2025
  • EPA Facility Registry ServiceEXISTENCE
    Record 110005524183 · first seen JUN 2015 · last seen JAN 2018

IN WAUKESHA COUNTY27 other plants share this one’s industry (Navigational, Measuring, Electromedical, and Control Instruments Manufacturing, NAICS 3345); 13 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: HERAEUS ELECTRO-NITE CO LLC · OCT 2026
Street address
EPA: 541 INDUSTRIAL DR · OCT 2026
City
EPA: HARTLAND · OCT 2026
State
EPA: WI · OCT 2026
County (FIPS code)
EPA: 55133 · OCT 2026
Coordinates
EPA: 43.098565,-88.3541 · OCT 2026
Employees (band)
OSHA: 100-499 · DEC 2025
State business registrationSOURCES DISAGREE
CO SOS: Heraeus Electro-Nite Co., LLC, registered with the Colorado Secretary of State; Limited liability company formed in Delaware; registered 2013-11-26; active, annual report filed 2025-11-18 · NOV 2025
CT SOTS: HERAEUS ELECTRO-NITE CO., LLC, registered with the Connecticut Secretary of the State; Limited liability company formed in Delaware; registered 2013-12-02; active, annual report filed 2026-02-27 · FEB 2026
MS SOS: Heraeus Electro-Nite Co., LLC, registered with the Mississippi Secretary of State; Limited liability company; registered 2009-06-16; active · JUN 2009

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