Facility	City	Industry	Status	Distance
Horizon Manufacturing Group	Lake Mills	All Other Industrial Machinery Manufacturing 333248	LIKELY ACTIVE	1.4 KM
Fiberdome Inc-plant #1	Lake Mills	Other Plastics Product Manufacturing 326190	UNVERIFIED	2.7 KM
MasterMold LLC Johnson Creek	Johnson Creek	All Other Plastics Product Manufacturing 326199	LIKELY ACTIVE	10.3 KM
Mastermold LLC	Johnson Creek	Custom Compounding of Purchased Resins 325991	LIKELY ACTIVE	10.3 KM
Applied Molded Products Corporation	Watertown	All Other Plastics Product Manufacturing 326199	UNVERIFIED	18.0 KM

Every listed plant in Jefferson County

Also at this address

No other federal record shares this street address.

Where this record comes from

5 sources hold this plant, and 11 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 AIR, AIRS/AFS, EIS, NPDES, RCRAINFO, TRIS, WI-ESR · EPA site type STATIONARY.

SAM.gov entity registrationOPERATING
Record JQZSLHPHS7B1 · first seen MAR 2026 · last seen OCT 2026
DOL Form 5500 retirement plan filingsOPERATING
Record 873178349|WI|53551|865 stony rd · first seen OCT 2025 · last seen OCT 2025
EPA Toxics Release InventoryOPERATING
first seen DEC 2024 · last seen DEC 2024
SBA Paycheck Protection Program loan recordsEXISTENCE
Record WI|lake mills|865 stony rd · first seen APR 2020 · last seen APR 2020
EPA Facility Registry ServiceEXISTENCE
Records 110000419823, 110070276230 · first seen MAY 2016 · last seen SEP 2018

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.

Name: EPA: FIBERDOME PRODUCTS, LLC · JUL 2026 · ON THIS PAGE; SAM.gov: FIBERDOME PRODUCTS, LLC · ON THIS PAGE
Street addressSOURCES DISAGREE: EPA: 865 STONY RD · JUL 2026; SAM.gov: 865 STONY ROAD · ON THIS PAGE
City: EPA: LAKE MILLS · JUL 2026 · ON THIS PAGE; SAM.gov: LAKE MILLS · ON THIS PAGE
State: EPA: WI · JUL 2026 · ON THIS PAGE; SAM.gov: WI · ON THIS PAGE
County (FIPS code): EPA: 55055 · SEP 2026
Coordinates: EPA: 43.081692,-88.894954 · JUL 2026
Employees (band): DOL: 20-99 · OCT 2025
CAGE code: SAM.gov: 98N75
Retirement plan filing (Form 5500): DOL: 68 active participants, plan year ending 2025-10-31, 1 plan(s) · OCT 2025
PPP loan: SBA PPP: PPP loan x1, approved 2020-04-05, 73 jobs reported · APR 2020
SAM registration expires: SAM.gov: 2027-03-11

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