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Hallmark Stone

2200 Cassens Dr, Fenton, MO 63026

LIKELY ACTIVELAST SEEN IN FEDERAL DATA DEC 2024 · 2 SOURCES

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

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What they make

Cut Stone and Stone Product Manufacturing327991

Where it is

38.54666, -90.44253 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS

Other plants nearby

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Every listed plant in St. Louis County

Also at this address

1 other record shares this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.

Thermo Science Inc-fenton
Fenton, MO
UNVERIFIED314999

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 ICIS, MO-DNR, NPDES, OSHA-OIS · EPA site type STATIONARY.

  • DOL Form 5500 retirement plan filingsOPERATING
    Record 721577383|MO|63026|2200 cassens dr · first seen DEC 2024 · last seen DEC 2024
  • EPA Facility Registry ServiceEXISTENCE
    Record 110037937828 · first seen OCT 2016 · last seen OCT 2016

IN ST. LOUIS COUNTY6 other plants share this one’s industry (Other Nonmetallic Mineral Product Manufacturing, NAICS 3279); 1 of them has 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: HALLMARK STONE · OCT 2026
Street address
EPA: 2200 CASSENS DR · OCT 2026
City
EPA: FENTON · OCT 2026
State
EPA: MO · OCT 2026
County (FIPS code)
EPA: 29189 · OCT 2026
Coordinates
EPA: 38.54666,-90.44253 · OCT 2026
Employees (band)
DOL: 100-499 · DEC 2024
Retirement plan filing (Form 5500)
DOL: 141 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024

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