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Si Group INC Tx Operations

702 Fm 523, Freeport, TX 77541

LIKELY ACTIVELAST SEEN IN FEDERAL DATA JUL 2026 · 3 SOURCES

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

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What they make

Petrochemical Manufacturing325110

Where it is

28.97440, -95.34453 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS

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Every listed plant in Brazoria County

Also at this address

2 other records share 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.

SI Group - Freeport
Freeport, TX
LIKELY ACTIVE325194EMP 100-499
S.i. Group, INC.
Freeport, TX
UNVERIFIED325211

Where this record comes from

3 sources hold 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 AIR, AIRS/AFS, CEDRI, E-GGRT, EIS, ICIS, NPDES, RCRAINFO, TRIS, TSCA, TX-TCEQ ACR · EPA site type STATIONARY.

  • EPA ECHO compliance recordsOPERATING
    first seen JUL 2025 · last seen JUL 2026
  • EPA Toxics Release InventoryOPERATING
    first seen DEC 2023 · last seen DEC 2024
  • EPA Facility Registry ServiceEXISTENCE
    Record 110000463427 · first seen JUN 2016 · last seen JUN 2016

IN BRAZORIA COUNTY52 other plants share this one’s industry (Basic Chemical Manufacturing, NAICS 3251); 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: SI GROUP INC TX OPERATIONS · OCT 2026
Street address
EPA: 702 FM 523 · OCT 2026
City
EPA: FREEPORT · OCT 2026
State
EPA: TX · OCT 2026
County (FIPS code)
EPA: 48039 · OCT 2026
Coordinates
EPA: 28.9744,-95.34453 · OCT 2026
Hazardous waste generator (RCRA)
EPA ECHO: LQG · OCT 2026

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