Tri-j Metal Heat Treating CO.
327 E Commercial St, Pomona, CA 91767
Operating signal within 12 months from two or more independent sources.
What they make
Metal Heat Treating332811Trij Metal Heat Treating performs heat treating services on alloy steels, carbon steels, stainless steels, tool steels, brass, bronze, I. Processes include neutral hardening, carburizing, austempering, carbonitriding, age hardening, stress relieving, precipitation age hardening: are served. The company utilizes rotary retort furnaces, batch furnaces, continuous draw furnaces, and custom-built endothermic generators.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Shew Real Estate Holdings, LLC | Pomona | Metal Heat Treating 332811 | UNVERIFIED | 0.0 KM |
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| Superior Plating & Bumpers INC | Pomona | Electroplating, Plating, Polishing, Anodizing, and Coloring 332813 | LIKELY ACTIVE | 0.8 KM |
| Joan M Hadley | Pomona | Electroplating, Plating, Polishing, Anodizing, and Coloring 332813 | UNVERIFIED | 1.7 KM |
| Technical Anodize LLC | Pomona | Aluminum Sheet, Plate, and Foil Manufacturing 331315 | UNVERIFIED | 1.6 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 3 FEDERAL SOURCES, 8 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, OSHA-OIS, RCRAINFO · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| SAM GOV | OPERATING | MAY 2026 | MAY 2026 |
| EPA FRS | EXISTENCE | OCT 2018 | OCT 2018 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| ADDRESS LINE1 | SAM GOV | MAY 2026 |
| CAGE CODE | SAM GOV | MAY 2026 |
| CITY | EPA FRS | JUL 2026 |
| CITY | SAM GOV | MAY 2026 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| NAME | SAM GOV | MAY 2026 |
| REGISTRATION EXPIRATION | SAM GOV | MAY 2026 |
| STATE | EPA FRS | JUL 2026 |
| STATE | SAM GOV | MAY 2026 |
| WEBSITE | SAM GOV | MAY 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.