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MasterMold LLC Johnson Creek

111 Grell Lane, Johnson Creek, WI 53038

LIKELY ACTIVELAST SEEN IN FEDERAL DATA DEC 2025 · 1 SOURCE

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

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What they make

All Other Plastics Product Manufacturing326199

Where it is

43.07555, -88.76899 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS

Other plants nearby

FacilityCityIndustryStatusDistance
Mastermold LLCJohnson CreekCustom Compounding of Purchased Resins
325991
LIKELY ACTIVE0.1 KM
Reiss Industries INCWatertownPolystyrene Foam Product Manufacturing
326140
LIKELY ACTIVE12.6 KM
Applied Molded Products CorporationWatertownAll Other Plastics Product Manufacturing
326199
UNVERIFIED13.1 KM
Horizon Manufacturing GroupLake MillsAll Other Industrial Machinery Manufacturing
333248
LIKELY ACTIVE10.2 KM
Fiberdome Products, LLCLake MillsOther Plastics Product Manufacturing
326190
ACTIVE10.3 KM

Every listed plant in Jefferson County

Also at this address

No other federal record shares this street address.

Where this record comes from

1 source holds this plant, and 2 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.

  • OSHA injury and illness reportsOPERATING
    Record 224672 · first seen DEC 2025 · last seen DEC 2025

IN JEFFERSON COUNTY6 other plants share this one’s industry (Plastics Product Manufacturing, NAICS 3261); 3 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.

Coordinates
Census geocoder: 43.075553540123,-88.768989504292 · JUL 2026
Employees (band)
OSHA: 100-499 · DEC 2025

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