Melco Steel INC
1100 W Foothill Blvd, Azusa, CA 91702
Operating signal within 12 months from two or more independent sources.
What they make
Fabricated Structural Metal Manufacturing332312Melco Steel manufactures autoclaves and pressure vessels, including composite autoclaves, vacuum pressure impregnation autoclaves, glass laminating autoclaves, vulcanizers, sterilizer systems, concrete curing autoclaves, dewaxing autoclaves, and Harris Quick Opening Doors. The company constructs pressure vessels up to 18 feet in diameter and 200 feet in length using carbon steel, stainless steel, and various overlays, with capabilities for pressures to 3,000 psi and temperatures to 1,500°F. Products are designed and manufactured in accordance with the ASME Boiler and Pressure Vessel Code, Section VIII, Division 1.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Oldcastle Infrastructure - Azusa Dalou | Azusa | Fabricated Structural Metal Manufacturing 332312 | UNVERIFIED | 0.2 KM |
| Inwesco INC | Azusa | Fabricated Structural Metal Manufacturing 332312 | UNVERIFIED | 0.2 KM |
| Pro Fab Tech LLC | Azusa | Fabricated Structural Metal Manufacturing 332312 | UNVERIFIED | 0.2 KM |
| Lindsey Manufacturing CO | Azusa | Fabricated Structural Metal Manufacturing 332312 | ACTIVE | 0.4 KM |
| Fred Nelson Fabrication | Azusa | Sheet Metal Work Manufacturing 332322 | UNVERIFIED | 0.5 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 3 FEDERAL SOURCES, 9 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 CA-CERS, CA-ENVIROVIEW, NPDES, RCRAINFO · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| SAM GOV | OPERATING | JAN 2026 | JAN 2026 |
| EPA FRS | EXISTENCE | OCT 2015 | SEP 2025 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| ADDRESS LINE1 | SAM GOV | JAN 2026 |
| CAGE CODE | SAM GOV | JAN 2026 |
| CITY | EPA FRS | JUL 2026 |
| CITY | SAM GOV | JAN 2026 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| NAME | SAM GOV | JAN 2026 |
| REGISTRATION EXPIRATION | SAM GOV | JAN 2026 |
| STATE | EPA FRS | JUL 2026 |
| STATE | SAM GOV | JAN 2026 |
| WEBSITE | SAM GOV | JAN 2026 |
| YEAR ESTABLISHED | SITE YEAR | AUG 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.


