Data Breach Law Group Investigates the Main Electric Supply Company, LLC (“MES”) Data Breach
By Data Breach Law Group | Posted on September 12, 2025 · California
Miami, FL — Data Breach Law Group is investigating a data breach involving Main Electric Supply Company, LLC (“MES”), reported to the California Attorney General on September 12, 2025. The firm is reviewing whether affected individuals have legal claims arising from the incident.
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.
If you were affected
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.
Did you receive a letter from Main Electric Supply Company, LLC (“MES”)?
A case review is free and confidential. Tell us about your letter and we will explain your options.