Sea Shield Marine Products, INC.
20832 Currier Rd., Walnut, CA 91789
Operating signal within 12 months from two or more independent sources.
What they make
Nonferrous Metal Die-Casting Foundries331523- aluminum anodes
- magnesium anodes
- service divers
- pleasure craft owners
- cathodic protection professionals
- mooring chains
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Products
Where these came from
Recorded against the company rather than this address. Federal award and drug records name the company, not the plant, so we cannot say which of its sites makes these.
Where these came from
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Teledyne Cast Parts Pomona Operations | Walnut | Aluminum Foundries (except Die-Casting) 331524 | UNVERIFIED | 3.8 KM |
| Titech International (wohl Property) | Walnut | Nonferrous Metal Foundries 331528 | UNVERIFIED | 4.2 KM |
| Teledyne Instruments - Analytical Instruments | City of Industry | Steel Investment Foundries 331512 | LIKELY ACTIVE | 8.2 KM |
| Cast Parts, INC. | City of Industry | Steel Investment Foundries 331512 | ACTIVE | 8.2 KM |
| Krall Cast INC | City of Industry | Steel Investment Foundries 331512 | UNVERIFIED | 9.5 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
6 sources hold this plant, and 13 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 CA-ENVIROVIEW, NPDES, OSHA-OIS, RCRAINFO · EPA site type STATIONARY.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord MMW6ZK3412A7 · first seen DEC 2025 · last seen DEC 2025
- DOL Form 5500 retirement plan filingsOPERATINGRecord 954190334|CA|91789|20832 currier rd · first seen DEC 2024 · last seen DEC 2024
- SBA Paycheck Protection Program loan recordsEXISTENCERecord CA|walnut|20832 currier rd · first seen APR 2020 · last seen APR 2020
- EPA Facility Registry ServiceEXISTENCERecord 110066298027 · first seen APR 2019 · last seen APR 2019
- SBA 7(a) and 504 loan recordsEXISTENCEfirst seen FEB 2010 · last seen FEB 2010
ALSO RECORDED ASSEA SHIELD MARINE PRODUCTS
IN LOS ANGELES COUNTY123 other plants share this one’s industry (Foundries, NAICS 3315); 20 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.
- NameSOURCES DISAGREE
- EPA: SEA SHIELD MARINE PRODUCTS · JUL 2026
- SAM.gov: SEA SHIELD MARINE PRODUCTS, INC. · DEC 2025 · ON THIS PAGE
- Street address
- EPA: 20832 CURRIER RD · JUL 2026 · ON THIS PAGE
- SAM.gov: 20832 CURRIER RD. · DEC 2025 · ON THIS PAGE
- City
- EPA: WALNUT · JUL 2026 · ON THIS PAGE
- SAM.gov: WALNUT · DEC 2025 · ON THIS PAGE
- State
- EPA: CA · JUL 2026 · ON THIS PAGE
- SAM.gov: CA · DEC 2025 · ON THIS PAGE
- County (FIPS code)
- EPA: 06037 · SEP 2026
- Coordinates
- EPA: 34.0079,-117.85019 · JUL 2026
- Employees (band)
- DOL: 20-99 · DEC 2024
- Website
- SAM.gov: www.seashieldmarine.com · DEC 2025
- CAGE code
- SAM.gov: 1V986 · DEC 2025
- Retirement plan filing (Form 5500)
- DOL: 59 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
- PPP loan
- SBA PPP: PPP loan x1, approved 2020-04-29, 41 jobs reported · APR 2020
- SAM registration expires
- SAM.gov: 2026-12-03 · DEC 2025
- SBA loans
- SBA: 7a loan x1, jobs 42.0 · FEB 2010


