TYONEK SERVICES OVERHAUL FACILITY-STENNIS, LLC

TYONEK SERVICES OVERHAUL FACILITY-STENNIS, LLC specializes in advanced aircraft modification, sustainment, and air transportation support services, with deep expertise in C-5M Super Galaxy aircraft systems. The contractor delivers field and sustainment-level maintenance, including installation of critical avionics upgrades such as CNS/ATM, CMC/WXR, and Pylon Hydraulic Check Valve kits, all performed in strict accordance with Technical Change Task Orders (TCTOs). Their technical proficiency spans aircraft systems integration, quality control protocols, launch and recovery operations, and bilateral logistics support for military aerospace platforms, positioning them as a trusted provider for complex, mission-critical modifications requiring precision engineering and regulatory compliance. The contractor maintains a strong, consistent relationship with the Department of Defense, where they execute high-stakes aircraft modernization and maintenance tasks across multiple C-5M variants. Their work supports strategic airlift readiness through direct installation of mission-critical systems, demonstrating an ability to operate in secure, high-tempo military environments with stringent airworthiness standards. While limited engagement is noted with the General Services Administration and Department of Homeland Security, the overwhelming focus remains on DoD aerospace sustainment programs. Industry focus centers on NAICS 488190 (other support activities for air transportation) and 336411 (aircraft manufacturing), reflecting a niche specialization in military aircraft overhaul and systems integration rather than mass production. The contractor’s market positioning is that of a specialized sustainment provider for heavy-lift military airlift platforms, particularly the C-5M, with expertise in avionics, hydraulic systems, and mission computer upgrades. As a 2L entity based in Kiln, MS, TYONEK SERVICES OVERHAUL FACILITY-STENNIS, LLC operates without federal certifications but leverages its physical facility and technical workforce to deliver mission-critical aerospace services directly to defense customers. Their geographic location supports rapid deployment and logistics coordination for DoD aerospace operations across continental U.S. ranges.