Facility	City	Industry	Status	Distance
Calex Mfg. Co., INC.	Concord	Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals 334515	ACTIVE	0.5 KM
Shields, Harper & CO.	Martinez	Other Metal Valve and Pipe Fitting Manufacturing 332919	ACTIVE	3.9 KM
The Winsdor	Walnut Creek	Power, Distribution, and Specialty Transformer Manufacturing 335311	UNVERIFIED	7.5 KM
Unico Mechanical CORP.	Benicia	Machine Shops 332710	ACTIVE	10.3 KM
Pittsburg Water Treatment Plant	Pittsburg	Motor and Generator Manufacturing 335312	LIKELY ACTIVE	13.7 KM

Every listed plant in Contra Costa County

Also at this address

No other federal record shares this street address.

WHERE THIS RECORD COMES FROM — 1 FEDERAL SOURCE, 6 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 RCRAINFO · EPA site type STATIONARY.

Source	Evidence	First seen	Last seen
EPA FRS	EXISTENCE	MAY 2020	MAY 2020

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
RCRA GENERATOR STATUS	EPA ECHO	AUG 2026
STATE	EPA FRS	JUL 2026

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

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