Top Tech Companies (1,037)

Established in 1909, Marshall Group is a British aerospace and defence company with a rich engineering heritage. It is a global leader in military maintenance, repair, and overhaul (MRO), working closely with aircraft operators to keep their fleets mission-ready. The company also specializes in precision manufacturing for flagship defence programmes and provides applied engineering services and technology solutions for governments...

First Order Effects (FOE) is building infrastructure for the autonomous era, serving the United States and its allies. The company develops and deploys physical systems that power, connect, launch, and recover autonomous ships, drones, and robots. Its work includes MESH Box and SURGE systems and draws on experience in satellite ground stations, power systems, autonomous surface vessels, and defense-oriented engineering.

Astro Mechanica is a vertically integrated aerospace company focused on innovating supersonic aircraft technology, developing next-generation flight systems, engines, and airframes for the new age of aerospace.

Integration Innovation, Inc. (i3), headquartered in Huntsville, Alabama, is a defense technology and engineering company. Founded in 2007, it supports government and commercial customers through systems and software engineering, modeling and simulation, C5 engineering, cybersecurity, electronic warfare, hypersonic weapons, unmanned aerial vehicles, digital missile simulation, interactive training, and information technology solutions for aviation, missile, and other national-security programs and complex...

Delair is a leading international provider of high-performance drone-based solutions and visual intelligence. Based in Toulouse, France, the company specializes in the design and manufacture of fixed-wing unmanned aerial vehicles (UAVs) and advanced sensors. Their solutions serve various sectors, including defense, security, agriculture, and mapping, enabling enterprises and governments to capture and analyze physical assets to derive actionable business insights.

C Speed LLC manufactures and engineers radar and surveillance systems for defense, security, and civilian applications. They specialize in advanced surveillance solutions, radar modernization, and contract engineering services.

Elmet Technologies is a 100% US-owned, fully integrated manufacturer of molybdenum and tungsten products. Established in 1929, the company operates facilities in Maine, Ohio, and Michigan. They utilize advanced powder metallurgy processes to produce mill, machined, and fabricated products for critical applications in the aerospace, semiconductor, medical, and defense industries, supporting major global companies and advanced technical projects.

UEC (United Electronics Company) is a full-service electronics design and manufacturing firm that provides high-performance, mission-critical solutions. Their expertise spans power generation, storage, and distribution, as well as RF and microwave technologies. They serve diverse sectors including aerospace, defense, medical, and industrial markets, offering comprehensive lifecycle support from concept development and rapid prototyping to full-scale manufacturing, testing, and sustainment for...

OT Training Solutions, LLC (OTTS) is a Service-Disabled Veteran-Owned Small Business founded in 2008. The company specializes in providing comprehensive, hands-on, scenario-based simulation and training programs, educational services, and operational support to government and international organizations. They deliver expertise in combat logistics and military leadership, deploying experienced teams to support critical workforce needs and global missions for military and civilian...

Ntrepid develops managed-attribution and attribution-intelligence technologies for government, national-security, law-enforcement, and defense organizations. Its platform brings together secure network routing, physical and virtual devices, workspaces, oversight, AI capabilities, analytics, and automation to support complex cyber operations, intelligence collection, and OSINT. The company emphasizes data security, privacy, auditing, and discreet, scalable online mission support for advanced missions across sensitive operational environments.

Acutec Precision Aerospace, Inc. is an award-winning, employee-owned, and woman-led aerospace manufacturer. The company specializes in providing high-accuracy engineered components and subassemblies for mission-critical applications within the aviation and aerospace industries. As a vertically integrated machining supplier, it also serves the power generation sector, focusing on operational excellence and the delivery of reliable, complex parts that meet strict industry standards.

LMT Defense is a manufacturer of weapons, components, and modular weapon systems, including firearms and grenade launchers, designed for military and law enforcement use in demanding environments.

PURVIS Systems is a technology solutions partner that develops, implements, and maintains mission-critical solutions for federal and local governments. The company specializes in station alerting systems and provides technology services for 911 first responders and the Department of Defense. With a commitment to sustainable growth and core values of transparency, integrity, and teamwork, PURVIS delivers reliable, high-value solutions to support...

ARX Robotics GmbH is a defense technology manufacturer that develops autonomous unmanned systems and sensors for defense and commercial applications, specializing in autonomous mobile robotics and a digitalization platform.

An award winning, employee-owned small business focused on providing value and innovation in the areas of engineering, training, and flight services.

DLS Engineering is a woman-owned engineering and professional-services contractor supporting the U.S. Department of Defense, Department of Homeland Security, and intelligence community. It provides acquisition and program management, intelligence and security operations, cybersecurity and IT/network operations, lifecycle logistics, and C5ISR systems engineering and sustainment. The company emphasizes cleared expertise, mission continuity, risk reduction, and reliable support for complex national-security and...

Hartzell Engine Technologies is a leading manufacturer in general and military aviation, specializing in aircraft engine accessories and cabin heating solutions. They design, engineer, and manufacture components like turbochargers, starters, alternators, and fuel pumps for various aircraft.

Science and Engineering Services, LLC (SES) is a small business headquartered in Huntsville, Alabama, with operations including Columbia, Maryland. The company modifies, integrates, manufactures, and supports manned, unmanned, rotary-wing, and fixed-wing aviation platforms, as well as military ground and missile systems. Its capabilities span prototype development, fabrication, engineering, research and development, program management, logistics, procurement, training, and aviation support for...

MetalTek International is a custom manufacturer of precision metal components for the world's most demanding industrial applications. Specializing in high-temperature, severe wear, and harsh corrosive environments, the company provides centrifugal, sand, and investment casting, machining, and heat treatment services. They partner with leading industries, including aerospace, defense, petrochemical, and renewable energy, to create critical components that power, protect, and connect...

With more than 185,000 global employees, RTX pushes the limits of technology and science to redefine how we connect and protect our world. Through industry-leading businesses – Collins Aerospace, Pratt & Whitney and Raytheon – we are advancing aviation, engineering integrated defense systems and developing next-generation technology solutions and manufacturing to help global customers address their most critical challenges.