Tesker Mfg CORP

4343 Hwy I, Saukville, WI 53080

LIKELY ACTIVELAST SEEN IN FEDERAL DATA SEP 2025 · 3 SOURCES

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

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What they make

Machine Tool Manufacturing333517

Where it is

43.43253, -87.98063 · CENSUS TIGER

COUNTY

Ozaukee County

METRO AREA

Milwaukee-Waukesha, WI

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Other plants nearby

Facility	City	Industry	Status	Distance
Oldenburg Metal Tech	Saukville	Special Die and Tool, Die Set, Jig, and Fixture Manufacturing 333514	LIKELY ACTIVE	5.0 KM
Sharon-cutwell Co., INC.	Belgium	Cutting Tool and Machine Tool Accessory Manufacturing 333515	ACTIVE	10.1 KM
Master Tool and Mold	Grafton	Special Die and Tool, Die Set, Jig, and Fixture Manufacturing 333514	UNVERIFIED	11.8 KM
Ataco Steel Products CORP	Cedarburg	Forging and Stamping 332116	ACTIVE	12.3 KM
Ted Grob Corporation	Grafton	Machine Shops 332710	UNVERIFIED	12.9 KM

Every listed plant in Ozaukee 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 RCRAINFO, WI-ESR · EPA site type STATIONARY.

DOL Form 5500 retirement plan filingsOPERATING
Record 391148121|WI|53080|4343 hwy i · first seen SEP 2025 · last seen SEP 2025
EPA Facility Registry ServiceEXISTENCE
Record 110005437483 · first seen JUL 2014 · last seen JUL 2014
EPA ECHO compliance recordsOPERATING
first seen JAN 2014 · last seen JAN 2014

IN OZAUKEE COUNTY11 other plants share this one’s industry (Metalworking Machinery Manufacturing, NAICS 3335); 10 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: TESKER MFG CORP · OCT 2026
Street address: EPA: 4343 HWY I · OCT 2026
City: EPA: SAUKVILLE · OCT 2026
State: EPA: WI · OCT 2026
County (FIPS code): EPA: 55089 · OCT 2026
Coordinates: EPA: 43.432531,-87.980625 · OCT 2026
Employees (band): DOL: 20-99 · SEP 2025
Retirement plan filing (Form 5500): DOL: 24 active participants, plan year ending 2025-09-30, 1 plan(s) · SEP 2025
Hazardous waste generator (RCRA): EPA ECHO: VSQG · OCT 2026

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