Shell Catalyst & Technologies
10 Mococo Road, Martinez, CA 94553
A closure has been reported but not corroborated.
- Plant closing notice effective NOV 30, 2026 · 64 employees · filed SEP 9, 2026 · Closure Permanent — the closing date has not arrived; the status does not change until it has
- Plant closing notice effective DEC 31, 2024 · 59 employees · filed OCT 17, 2024 · Closure Permanent — this notice is why the plant is listed as reported closed
Notices filed with the state under the federal WARN Act, as the state publishes them, collected by the WARN Act notices feed (CC BY 4.0). A notice records what the employer told the state; it is not by itself proof that the plant closed.
What they make
Other Basic Inorganic Chemical Manufacturing325180Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Eco-Services, Martinez Plant | Martinez | Other Basic Inorganic Chemical Manufacturing 325180 | LIKELY ACTIVE | 0.0 KM |
| Solvay USA INC | Martinez | Other Basic Inorganic Chemical Manufacturing 325180 | LIKELY ACTIVE | 0.4 KM |
| Shell Martinez Catalyst Plant | Martinez | Petroleum Refineries 324110 | LIKELY ACTIVE | 0.8 KM |
| Air Products West Coast Hydrogen - Hp-2 | Martinez | Industrial Gas Manufacturing 325120 | LIKELY ACTIVE | 1.5 KM |
| Martinez Refining | Martinez | Petroleum Refineries 324110 | ACTIVE | 1.8 KM |
Also at this address
More than one federal record exists for this street address. The primary record for the site is listed first.
Where this record comes from
2 sources hold this plant, and 2 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.
- State WARN plant-closing and layoff noticesCLOSUREfirst seen NOV 2026 · last seen NOV 2026
- OSHA injury and illness reportsOPERATINGRecord 968756 · first seen DEC 2025 · last seen DEC 2025
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.
- Coordinates
- Census geocoder: 38.03312010817,-122.116293861918 · JUL 2026
- Employees (band)
- OSHA: 20-99 · DEC 2025