Tpsa

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
Chemco Industries INC	Saint Louis	Soap and Other Detergent Manufacturing 325611	● ACTIVE	2.3 KM
PCPolynt Composites USA INC	Valley Park	Petroleum Refineries 324110	◐ LIKELY ACTIVE	2.7 KM
SCSimpson Construction Materials LLC Valley Park	Valley Park	Asphalt Paving Mixture and Block Manufacturing 324121	◐ LIKELY ACTIVE	5.2 KM
AQAntire Quarry	Eureka	Asphalt Paving Mixture and Block Manufacturing 324121	◐ LIKELY ACTIVE	10.9 KM
MAMcConnell and Associates - STL	St. Louis	Asphalt Paving Mixture and Block Manufacturing 324121	◐ LIKELY ACTIVE	11.7 KM

Every listed plant in St. Louis County

Also at this address

No other federal record shares this street address.

Where this record comes from

1 source holds this plant, and 7 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 · EPA site type STATIONARY.

• EPA Facility Registry ServiceEXISTENCE
  Record 110070813056 · first seen JUN 2020 · last seen JUN 2020

IN ST. LOUIS COUNTY32 other plants share this one’s industry (Petroleum and Coal Products Manufacturing, NAICS 3241); 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: TPSA · OCT 2026

Street address

EPA: 1781 LARKIN WILLIAMS RD · OCT 2026

City

EPA: FENTON · OCT 2026

State

EPA: MO · OCT 2026

County (FIPS code)

EPA: 29189 · OCT 2026

Coordinates

EPA: 38.541198,-90.458192 · OCT 2026

Hazardous waste generator (RCRA)

EPA ECHO: none · OCT 2026