Esl Power Systems, INC.
Doing business as Esl Power Systems INC
At a glance
Employees100-499
In business sinceNot reported
Industry
HeadquartersCorona, CA
US patents3
SAM.gov UEIWNE5Z98K9JY9
CAGE code4XLR3
Incorporated inCA
LEI549300XSZPEDYYBGK440
Brands
Entertainment Power
Industrial/Portable Power
Custom Control Panels
Refrigerated Truck-trailer PowerThis company sells these brands.
- plugs
- connectors
- switches
- assemblies
- s products
- entertainment
- military
- power distribution boards
- custom control panels
- shore power
Named on the company’s own website, read JUL 29, 2026
Open positions
Openings read from Esl Power Systems, INC.’s own job board on Paylocity, last checked OCT 28, 2026. FactoryRegistry does not host applications — each title opens the posting where the company published it.
- Machinist IUSA · posted OCT 19, 2026
- Grinder IEsl Power Systems, INC. · Corona, CA, USA · Fabrication · posted OCT 19, 2026
Supplier designations
For Profit OrganizationManufacturer of GoodsSubchapter S Corporation
Self-certified by the company in its SAM.gov registration
Patents
3 US patents granted 2008–2021, 1 of them in the five years to SEP 2025.
Electrical machinery, apparatus, energy 3
- Self-deactivating tethered interconnection system for power outletUS 11,017,969 · granted MAY 25, 2021
- Mechanical interlock of a lever operated receptacle with a shaft operated switchUS 8,183,481 · granted MAY 22, 2012
- Power transmission safety systemUS 7,462,792 · granted DEC 9, 2008
Granted to ESL Power Systems, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Esl Power Systems, INC. | Corona | CA | 100–499 | 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.