The Mechanical Systems & Services Inc Data Breach: Reported Filing Facts

Mechanical Systems & Services Inc appears to be a commercial contractor specializing in HVAC, plumbing, and industrial facility maintenance. As a business that manages complex service contracts, payroll, and employee benefits, the company typically collects sensitive information including Social Security numbers, banking details, and personal identification records for their workforce and clients. This data breach was officially reported to the Indiana Attorney General in 2025 following the discovery of unauthorized access to their internal systems. If you have received a formal data breach notification letter from the company, it indicates that your personal information was stored within their network at the time of the incident. We recommend reviewing the letter carefully to understand the specific scope of the exposure and the identity monitoring services being offered.

State: Indiana
Breach date: September 19, 2025
Reported: November 19, 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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