Facility	City	Industry	Status	Distance
Vulcan Materials CO Dba Shamrock Materials	San Rafael	Ready-Mix Concrete Manufacturing 327320	UNVERIFIED	0.8 KM
Rich Readimix Concrete INC	Greenbrae	Ready-Mix Concrete Manufacturing 327320	UNVERIFIED	3.2 KM
Cortex Composites INC.	San Rafael	Other Concrete Product Manufacturing 327390	ACTIVE	6.1 KM
W R Forde Associates	Richmond	Wood Preservation 321114	UNVERIFIED	12.7 KM
Central Concrete Supply	San Francisco	Ready-Mix Concrete Manufacturing 327320	UNVERIFIED	19.2 KM

Every listed plant in Marin County

Also at this address

No other federal record shares this street address.

WHERE THIS RECORD COMES FROM — 1 FEDERAL SOURCE, 5 FIELDS

Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.

EPA cross-references this facility in EIS · EPA site type STATIONARY.

Source	Evidence	First seen	Last seen
EPA FRS	EXISTENCE	JUN 2017	AUG 2024

FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT

FIELD	SOURCE	SIGNAL
ADDRESS LINE1	EPA FRS	JUL 2026
CITY	EPA FRS	JUL 2026
GEOM	EPA FRS	JUL 2026
NAME	EPA FRS	JUL 2026
STATE	EPA FRS	JUL 2026

Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

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