UL Listed
508 Panel Shop

UL508/UL508A Panel Shop

Custom Industrial Control Panels

Electrical Systems Ltd. is a leading panel builder in Southern California. Founded in 1973, ESL builds custom control panels and electrical equipment per client specifications and strives to exceed the highest expectations. Additionally, ESL offers clients UL508A, UL698, UL231, UL1682, and UL1008 listing capabilities. Conveniently located in Corona, ESL’s 36,000 square foot turn key manufacturing facility provides industrial panels and electrical control systems for a variety of industries including:

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Contract Manufacturing

PV (Solar) Control

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Food Processing

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Water/Wastewater

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Petrochemical Refineries and Pipelines

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Pharmaceutical

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Power Generation / Transmission / Distribution

Environmentally-friendly Alternative Power Solutions

Electrical Systems Ltd. is also a Woman Owned Business Enterprise, WBE/SBE Certified.

ESL Attends Annual SPE Regional Meeting

Electrical Systems Ltd. participated as an exhibitor at the Annual SPE Regional Meeting.

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ESL Announces Fabrication Shop Expansion

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