Roscoe Moss Manufacturing CO
4360 Worth St, Los Angeles, CA 90063
Operating signal within 12 months from two or more independent sources.
What they make
Iron and Steel Pipe and Tube Manufacturing from Purchased Steel331210- casings
- screens
- spiral pipe
- double submerged arc welding process
- stormwater gross solids removal
- agriculture
- mining
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 |
|---|---|---|---|---|
| Precision Specialty Metals INC | Los Angeles | Iron and Steel Mills and Ferroalloy Manufacturing 331110 | UNVERIFIED | 0.2 KM |
| M5 Steel Mfg | Los Angeles | Rolled Steel Shape Manufacturing 331221 | UNVERIFIED | 5.3 KM |
| Worldwide Aeros CORP | Los Angeles | Aircraft Manufacturing 336411 | ACTIVE | 5.0 KM |
| Pacific Tube CO | Los Angeles | Iron and Steel Pipe and Tube Manufacturing from Purchased Steel 331210 | UNVERIFIED | 7.3 KM |
| Hannibal Industries INC | Los Angeles | Iron and Steel Mills and Ferroalloy Manufacturing 331110 | LIKELY ACTIVE | 7.3 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
5 sources hold this plant, and 11 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 NPDES, OSHA-OIS, RCRAINFO · EPA site type STATIONARY.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord GTHJW5FLJMK3 · first seen MAY 2026 · last seen MAY 2026
- OSHA injury and illness reportsOPERATINGRecord 561876 · first seen DEC 2025 · last seen DEC 2025
- DOL Form 5500 retirement plan filingsOPERATINGRecord 954299170|CA|90063|4360 worth st · first seen APR 2025 · last seen APR 2025
- EPA Facility Registry ServiceEXISTENCERecord 110070088481 · first seen AUG 2017 · last seen AUG 2017
IN LOS ANGELES COUNTY61 other plants share this one’s industry (Steel Product Manufacturing from Purchased Steel, NAICS 3312); 14 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: ROSCOE MOSS MANUFACTURING CO · JUL 2026 · ON THIS PAGE
- SAM.gov: ROSCOE MOSS MANUFACTURING CO · MAY 2026 · ON THIS PAGE
- Street address
- EPA: 4360 WORTH ST · JUL 2026 · ON THIS PAGE
- SAM.gov: 4360 WORTH ST · MAY 2026 · ON THIS PAGE
- City
- EPA: LOS ANGELES · JUL 2026 · ON THIS PAGE
- SAM.gov: LOS ANGELES · MAY 2026 · ON THIS PAGE
- State
- EPA: CA · JUL 2026 · ON THIS PAGE
- SAM.gov: CA · MAY 2026 · ON THIS PAGE
- County (FIPS code)
- EPA: 06037 · SEP 2026
- Coordinates
- Census geocoder: 34.062777697411,-118.190948579726 · JUL 2026 · ON THIS PAGE
- EPA: 34.06295,-118.1914 · JUL 2026 · ON THIS PAGE
- Employees (band)
- OSHA: 100-499 · DEC 2025
- Website
- SAM.gov: www.roscoemoss.com · MAY 2026
- CAGE code
- SAM.gov: 18839 · MAY 2026
- Retirement plan filing (Form 5500)
- DOL: 112 active participants, plan year ending 2025-04-30, 2 plan(s) · APR 2025
- SAM registration expires
- SAM.gov: 2027-05-22 · MAY 2026