Mecs INC

1778 Monsanto Way, Martinez, CA 94553

LIKELY ACTIVELAST SEEN IN FEDERAL DATA DEC 2025 · 2 SOURCES

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

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What they make

Other Basic Inorganic Chemical Manufacturing325180

Where it is

38.01882, -122.06203 · CENSUS TIGER

COUNTY

Contra Costa County

METRO AREA

San Francisco-Oakland-Fremont, CA

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Other plants nearby

Facility	City	Industry	Status	Distance
Martinez Dry Ice Plant	Martinez	Industrial Gas Manufacturing 325120	LIKELY ACTIVE	0.2 KM
Tesoro Golden Eagle Refinery	Martinez	Petroleum Refineries 324110	LIKELY ACTIVE	1.8 KM
Air Products & Chemicals - Martinez	Martinez	Industrial Gas Manufacturing 325120	LIKELY ACTIVE	2.0 KM
Air Products West Coast Hydrogen - Hp-1	Martinez	Industrial Gas Manufacturing 325120	LIKELY ACTIVE	4.6 KM
Solvay USA INC	Martinez	Other Basic Inorganic Chemical Manufacturing 325180	LIKELY ACTIVE	4.8 KM

Every listed plant in Contra Costa County

Also at this address

More than one federal record exists for this street address. The primary record for the site is listed first.

Mecs, INC. Avon Plant

Martinez, CA

LIKELY ACTIVE325998

Where this record comes from

2 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 CARB-TCH, TSCA · EPA site type STATIONARY.

OSHA injury and illness reportsOPERATING
Record 1081837 · first seen DEC 2025 · last seen DEC 2025
EPA Facility Registry ServiceEXISTENCE
Record 110071740190 · first seen AUG 2024 · last seen AUG 2024

IN CONTRA COSTA COUNTY44 other plants share this one’s industry (Basic Chemical Manufacturing, NAICS 3251); 8 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: MECS INC · OCT 2026
Street address: EPA: 1778 MONSANTO WAY · OCT 2026
City: EPA: MARTINEZ · OCT 2026
State: EPA: CA · OCT 2026
County (FIPS code): EPA: 06013 · OCT 2026
Coordinates: Census geocoder: 38.018824593927,-122.062028771056 · JUL 2026
Employees (band): OSHA: 20-99 · DEC 2025

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