Ervin Schoeppe
Diemold 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.
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Ervin Schoeppe | Corona | CA | — | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.

