The Main Electric Supply Company, LLC (“MES”) Data Breach: Reported Filing Facts
Main Electric Supply Company, LLC (“MES”) appears to be a wholesale distributor and retailer specializing in electrical equipment, lighting, and industrial supply components. In the course of business operations, such companies typically collect and store sensitive personal information from employees, contractors, and commercial customers, including payroll data, tax identification numbers, and payment processing details. This security incident was officially reported to the California Attorney General in 2025, confirming that unauthorized access to company systems occurred. If you received a data breach notification letter from MES, it indicates that your personal information was likely contained within the impacted files. This notice is intended to inform you of the nature of the exposure so that you may take appropriate steps to monitor your accounts and protect your identity.
- State
- California
- Breach date
- July 22, 2025
- Reported
- September 12, 2025
What to do if you were affected
These general steps can help limit the risk of identity theft and fraud after any data breach.
Stay alert to targeted scams
Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.
Keep your notification letter
Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.
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