Markon Email Format

Professional ServicesVirginia, United States501-1000 Employees

Markon is a professional services firm focused on cyber and technology-enabled solutions that support critical national security priorities. Its capabilities rely on a highly cleared workforce and a cadre of battle-tested experts, including NSA-certified red teams and red-team operations, to strengthen secure and resilient mission readiness. Headquartered in Falls Church, Virginia, the company serves government customers across defense, intelligence, and federal civilian agencies.

In the government services landscape, Markon positions itself as a provider of integrated, mission-ready solutions that support national security objectives. Its growth has included the February 2026 acquisition of Millennium Corporation, expanding its ability to deliver integrated solutions across defense, intelligence, and federal civilian agencies. It has been recognized as a top place to work in federal government consulting and has earned multiple HIRE Vets Platinum Medallion awards, reflecting its employer standing.

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