M3T Corporation Employee Directory

Security and InvestigationsPennsylvania, United States11-50 Employees

M3T Corporation is a veteran-owned small business in the security and investigations sector, based in Mechanicsburg, Pennsylvania. It provides professional security consulting, solution design, and implementation across both physical and cyber security domains. The company emphasizes understanding client needs and delivering objective, cost-effective security solutions in a timely manner.

Its offerings cover five service channels, including system integration, hardware integration, automatic access, technical services and cybersecurity, and service maintenance. The objective is to help clients reduce costs, increase profitability, and mitigate risks while safeguarding personnel, property, and assets. In January 2026, M3T announced a partnership with Atrium Campus, LLC to expand operations with a third office and to collaborate on integrated solutions via Atrium Campus One Card Systems.

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