
80+ organizations across aerospace, cybersecurity, manufacturing, logistics, and aviation call Port San Antonio home.
Port San Antonio is home to more than 80 organizations representing the full spectrum of technology and innovation. From Fortune 500 aerospace companies to cutting-edge cybersecurity startups, our campus brings together the talent, technology, and infrastructure needed to drive 21st-century industries forward.
World-class aerospace companies providing maintenance, repair, overhaul, and manufacturing services for military and commercial aircraft.
Military aircraft MRO in 1.6M SF facility including one of world's largest hangars
Defense electronics, avionics, and mission-critical solutions
Aerospace systems, defense technology, and autonomous systems
Commercial and military engine maintenance, repair, and overhaul
Jet engine component repair for turbines, compressors, and rotating parts
Cargo aircraft medical modules and interior manufacturing
Supply chain solutions for aerospace and government clients
Testing, inspection, and certification for aerospace components
Leading cybersecurity firms providing defense, intelligence, and IT services to government and commercial customers.
Federal IT modernization, cybersecurity, and digital transformation
Defense consulting, cyber operations, and analytics
Information solutions for defense, intelligence, and federal agencies
Defense, intelligence, and health IT solutions
IT services, cybersecurity, and cloud solutions for government
Cybersecurity engineering and secure software development
Advanced cybersecurity research and development
Cybersecurity advisory and risk management services
Advanced manufacturing operations spanning aerospace components, robotics, automotive technology, and emerging industries.
Metal injection molding for precision components
Space construction technology and lunar building materials
Autonomous vehicle technology development
AI-powered robotic systems for logistics and manufacturing
Heavy equipment and industrial machinery manufacturing
Enterprise voice security and call authentication
Cybersecurity solutions and managed security services
Cybersecurity incubator and startup accelerator
Comprehensive logistics providers offering warehousing, distribution, rail services, and Foreign-Trade Zone operations.
Supply chain solutions for aerospace and government clients
Transloading specialist serving energy and construction sectors
Reusable packaging and container pooling services
Rail switching and track maintenance at East Kelly Railport
Third-party logistics, FTZ management, and assembly services
Class 1 railroad operating 32,000+ miles across 23 states
Fixed-base operators and aviation service providers supporting Kelly Field operations.
Full-service FBO providing fueling, ground services, and hangar facilities
Aircraft maintenance and aviation support services

Port San Antonio welcomes companies across all industries seeking world-class infrastructure, a skilled workforce, and a collaborative business environment.
Join 80+ organizations driving aerospace, cybersecurity, manufacturing, and logistics innovation at Port San Antonio.