Who We Are

Rex Yiannis, LLC is a certified DVBE and SDVOSB specializing in mission-critical supply and service solutions to government and enterprise clients. The firm operates with a military-grade ethos, providing unparalleled adherence to Federal Acquisition Regulations (FAR) and rigorous supply chain accountability. Our core competencies are anchored in two critical areas: compliant reselling of government parts and supplies, and specialized HVAC equipment/maintenance services. Led by a U.S. Marine Corps Combat Veteran and established HVAC Professional, Rex Yiannis offers clients a unique combination of logistical discipline and deep technical expertise. We are structured to mitigate procurement risk and guarantee mission-ready reliability for every contract, consistently exceeding client expectations.