About Us
A Trusted Partner in suporting those who serve
DefenderCo is a Service-Disabled Veteran-Owned Small Business (SDVOSB) providing facilities support services to federal, state, and private-sector customers. We deliver reliable, compliant, and accountable facility services that support safe, functional, and mission-ready environments across a wide range of operating contexts.
Led by a service-disabled Veteran, DefenderCo brings a disciplined, compliance-focused approach to service delivery. Our leadership experience shapes how we manage performance, documentation, and accountability—whether supporting a government agency, public institution, or private organization.
We believe effective facilities support is foundational to operational success. Our role is to reduce risk, ensure consistency, and allow our customers to focus on their core mission while we manage performance and execution.
SVDOSB
CERTIFIED
COMPLIANCE
DRIVEN OPERATIONS
Nationwide
SERVICE CAPABILITY
Leadership & Mangement
Mark McKenzie
Principal / CEO
Mark McKenzie is a United States Marine Corps veteran and business owner with experience in construction, logistics, and operational support services. He completed two combat deployments to the Middle East and brings a disciplined, mission-oriented approach to contract execution.
As the principal of DefenderCo, a Service-Disabled Veteran-Owned Small Business (SDVOSB), Mark leads with a focus on regulatory compliance, performance accountability, and reliable delivery in support of federal, state, and local government requirements.