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.  Additionally, ESL offers clients UL508A, UL698, UL231, UL1682, and UL1008 listing capabilities. ESL’s UL panel shop provides local and global manufacturing capabilities from one-offs to mass runs for a variety of industries including: