Control Panels
ESL Power Systems, Inc.
Corona, California
- Manufacturer
- Employee-owned
- UL 508A
About ESL Power Systems, Inc.
ESL Power Systems, Inc. operates from Corona, California, where it was founded in the early 1990s. From its inception, ESL focused on custom-engineered electrical equipment for demanding power applications. The company designs and manufactures a range of electrical power distribution and control products. Its core offering is UL508A-listed custom control panels built to customer specifications. Additional product lines include safety-interlocked reefer outlets for intermodal use, ship-to-shore power distribution for military and commercial ports, emergency generator hook-up equipment with cam-style connectors, and the ShowSwitch™ company switch for entertainment venues. ESL also produces the eTRUconnect™ system for electric transport refrigeration units, eRTG fused disconnect cabinets for rubber-tire gantries, shipyard power equipment, wayside power for passenger rail, and industrial portable power units. ESL serves industries that require reliable, safe power connections in harsh or regulated environments. Customers include intermodal and refrigerated cargo operators, military and commercial shipyards, entertainment venues, rail operators needing temporary wayside power, and industrial facilities requiring portable or emergency power solutions. The company's UL508A panel shop supports custom control panel needs across these sectors. It positions itself as a collaborative engineering partner that tailors solutions to each project, aiming to keep businesses operational while reducing environmental impact.
Manufacturing capabilities
Core processes
Industries served
- Intermodal and refrigerated cargo
- Military and commercial maritime (shore power)
- Emergency power generation
- Entertainment venues
- Refrigerated truck-trailer (electric/hybrid TRUs)
- Rubber tire gantry (ERTG) operations
- Shipyard and marine
- Rail wayside power
- Industrial and portable power
- Industrial/power/utility applications
Company details
- Location
- Corona, California
- Company type
- Manufacturer
- Ownership
- Employee-owned
- Certifications
- UL 508A
Frequently asked questions
Where is ESL Power Systems, Inc. located?
ESL Power Systems, Inc. is located at Corona, California.
What does ESL Power Systems, Inc. do?
ESL Power Systems, Inc. is listed under Control Panels, and its listed capabilities and products include Custom control panel design and manufacturing (UL508A), Safety-interlocked reefer outlet manufacturing, Shore power distribution equipment manufacturing, Emergency power connection systems (cam-style connectors), Entertainment power distribution (ShowSwitch™) and eTRUconnect™ shore power systems for transport refrigeration units.
What industries does ESL Power Systems, Inc. serve?
ESL Power Systems, Inc. lists Intermodal and refrigerated cargo, Military and commercial maritime (shore power), Emergency power generation, Entertainment venues and Refrigerated truck-trailer (electric/hybrid TRUs) among the industries it serves.
What certifications does ESL Power Systems, Inc. have?
Certifications on file for ESL Power Systems, Inc.: UL 508A.
How do I request a quote from ESL Power Systems, Inc.?
Use the Request a quote button on this page to send ESL Power Systems, Inc. your requirements through FirmsLedger, or visit eslpwr.com.
What companies are similar to ESL Power Systems, Inc.?
Other Control Panels companies in California listed on FirmsLedger include George T. Hall Company, South Coast Controls, Inc. and CKC Automation.