Facility	City	Industry	Status	Distance
Castroville Plant	San Antonio	Ready-Mix Concrete Manufacturing 327320	LIKELY ACTIVE	0.8 KM
Highway 90 Ready Mix 10	San Antonio	Ready-Mix Concrete Manufacturing 327320	UNVERIFIED	4.6 KM
Hydro Conduit San Antonio	Castroville	Concrete Block and Brick Manufacturing 327331	LIKELY ACTIVE	5.8 KM
Cemex Construction Materials South, LLC - Grissom Rm	San Antonio	Ready-Mix Concrete Manufacturing 327320	LIKELY ACTIVE	14.4 KM
Napco Precast LLC	San Antonio	Ready-Mix Concrete Manufacturing 327320	LIKELY ACTIVE	17.4 KM

Every listed plant in Bexar County

Also at this address

No other federal record shares this street address.

Where this record comes from

2 sources hold this plant, and 6 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 TRIS · EPA site type STATIONARY.

EPA Toxics Release InventoryOPERATING
first seen DEC 2023 · last seen DEC 2024
EPA Facility Registry ServiceEXISTENCE
Record 110046424605 · first seen JUL 2016 · last seen JUL 2016

IN BEXAR COUNTY62 other plants share this one’s industry (Cement and Concrete Product Manufacturing, NAICS 3273); 22 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: MONTGOMERY ROAD READYMIX · OCT 2026
Street address: EPA: 6215 WT MONTGOMERY · OCT 2026
City: EPA: SAN ANTONIO · OCT 2026
State: EPA: TX · OCT 2026
County (FIPS code): EPA: 48029 · OCT 2026
Coordinates: EPA: 29.371127,-98.738695 · OCT 2026

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