Ervin Schoeppe
1149 Pomona Rd Ste C, Corona, CA 92882
Operating signal within 12 months from two or more independent sources.
What they make
Machine Shops332710Diemold Services performs wire electrical discharge machining (Wire EDM), a process that uses an electrical spark between a brass wire electrode and a conductive workpiece submerged in dielectric fluid to erode and shape parts. The company serves the mold making, aerospace, and tool and die industries and has operated for over 40 years. Wire EDM is used to machine materials including titanium alloys, carbide, hardened alloys, high carbon steel, and tungsten, with capabilities including maintaining high tolerances, machining small inside radii, and machining without additional heat treating.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Infiniti Manufacture LLC | Corona | Machine Shops 332710 | LIKELY ACTIVE | 0.2 KM |
| Thalasinos Enterprises, INC. | Corona | Bolt, Nut, Screw, Rivet, and Washer Manufacturing 332722 | ACTIVE | 0.6 KM |
| I Q Nut & Bolt INC | Corona | Bolt, Nut, Screw, Rivet, and Washer Manufacturing 332722 | UNVERIFIED | 0.6 KM |
| Jackman Machining | Corona | Machine Shops 332710 | UNVERIFIED | 1.2 KM |
| Millworx Precision Machining, INC. | Corona | Machine Shops 332710 | ACTIVE | 1.3 KM |
Also at this address
1 other record shares this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.
WHERE THIS RECORD COMES FROM — 2 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.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| SAM GOV | OPERATING | OCT 2025 | OCT 2025 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | SAM GOV | OCT 2025 |
| CAGE CODE | SAM GOV | OCT 2025 |
| CITY | SAM GOV | OCT 2025 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| NAME | SAM GOV | OCT 2025 |
| REGISTRATION EXPIRATION | SAM GOV | OCT 2025 |
| STATE | SAM GOV | OCT 2025 |
| WEBSITE | SAM GOV | OCT 2025 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

