Leach International CORP
Brands
Home Banner 4-min
Home Banner 5-minThis company sells these brands.
- relays
- control devices
- sockets
- solid state power controllers
- power distribution
- technical support
- repair station approvals
What they make
Open positions
Openings read from Leach International CORP’s own job board on ADP, last checked NOV 11, 2026. FactoryRegistry does not host applications — each title opens the posting where the company published it.
- Program ManagerLeach International CORP · Buena Park, CA, USA
- Receiving InspectorLeach International CORP · Buena Park, CA, USA
- Sales & Applications Engineer ILeach International CORP · Buena Park, CA, USA
Supplier designations
Self-certified by the company in its SAM.gov registration
Patents
30 US patents granted 1977–2023, 3 of them in the five years to SEP 2025.
- System and method for distinguishing short-circuit events in high inrush current systemsUS 11,722,130 · granted AUG 8, 2023
- System for protecting electromechanical switchgears and protection circuits in high-voltage applicationsUS 11,381,079 · granted JUL 5, 2022
- System and method for preventing chatter on contactsUS 11,069,500 · granted JUL 20, 2021
- System for implementation of I2t trip characteristicUS 9,954,351 · granted APR 24, 2018
- Systems and methods for balancing multi-cell batteries with a transformer and a rectifier circuitUS 9,685,797 · granted JUN 20, 2017
Newest 5 shown · Granted to Leach International Corporation, Leach Company · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Leach International CORP | Buena Park | CA | 100–499 | ACTIVE |
WARN Act notices
- Layoff notice effective NOV 23, 2020 · 224 employees · Leach International CORP
- Layoff notice effective MAR 30, 2020 · 260 employees · Leach International CORP
Filed with the state under the federal WARN Act · WARN Act notices feed, CC BY 4.0
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.