Defense & Military Stocks: Aerospace & Security Companies

General Dynamics is a leading defense contractor specializing in combat vehicles, weapons systems, munitions, and shipbuilding. The company builds Virginia-class submarines, Abrams tanks, and Stryker armored vehicles. Its Gulfstream division also provides business jets for military and government use. With strong positions across land, sea, and information domains, it's integral to U.S. defense capabilities.

Huntington Ingalls is America's largest military shipbuilding company and sole builder of U.S. Navy aircraft carriers. The company designs, builds, and maintains nuclear-powered aircraft carriers and submarines, including Ford-class carriers and Virginia-class submarines. As the exclusive provider of aircraft carriers and one of two submarine builders, HII is irreplaceable in maintaining U.S. naval supremacy.

AI-powered data analytics platform for defense and intelligence agencies, battlefield software and decision support systems.

Boeing's defense division represents approximately 30% of company revenue, producing military aircraft including F/A-18 Super Hornet fighters, Apache helicopters, KC-46 tankers, and P-8 Poseidon maritime patrol aircraft. The company also manufactures weapons systems and provides extensive military satellite and space capabilities, making it the second-largest defense contractor globally after Lockheed Martin.

L3Harris Technologies provides advanced defense and commercial technologies for air, land, sea, space, and cyber domains. The company specializes in tactical communications, electronic warfare, avionics, night vision equipment, and space sensors. Following the merger of L3 and Harris, it's become the sixth-largest U.S. defense contractor with critical capabilities in intelligence, surveillance, and reconnaissance.

Leidos is a leading science and technology solutions provider serving defense, intelligence, civil, and health markets. The company provides IT services, systems integration, cybersecurity, and mission support to Department of Defense and intelligence agencies. With expertise in data analytics, logistics, and security operations, Leidos supports critical national security missions and modernization efforts.

CACI provides information solutions and services supporting national security missions and government transformation. The company specializes in intelligence analysis, electronic warfare, cyber operations, and enterprise IT. With deep expertise in signals intelligence and surveillance systems, CACI supports critical defense and intelligence community requirements across multiple classified programs.

SAIC delivers technology-driven solutions in engineering, digital transformation, artificial intelligence, and mission support for defense and intelligence customers. The company provides systems engineering, IT modernization, training, and simulation services to military branches. As a pure-play government services contractor, SAIC is deeply embedded in defense technology infrastructure and operations.

Howmet Aerospace manufactures critical components for military aircraft engines and airframes, including advanced jet engine parts, fastening systems, and titanium structural components. The company supplies all major defense aerospace programs with specialized materials and components essential for next-generation fighter jets, military transports, and rotorcraft propulsion systems.

TransDigm designs and produces highly engineered aerospace components for military aircraft, including flight control systems, pumps, valves, and ignition systems. With a portfolio of proprietary products often sole-sourced to defense programs, the company has strong aftermarket positions supporting military fleet maintenance. Defense represents approximately 35% of total revenues.

Curtiss-Wright provides highly engineered products and services to aerospace, defense, and naval markets, including flight control actuation systems, data acquisition equipment, and naval propulsion components. The company supplies critical technologies for military platforms including aircraft carriers, submarines, and ground combat vehicles, with defense representing over 50% of revenues.

Woodward designs and manufactures control systems and components for aerospace and defense markets, including fuel systems, actuation systems, and combustion controls for military aircraft and weapons systems. The company's technologies are critical for military turbine engines, missiles, and smart weapons, with defense aerospace representing a significant revenue segment.

Textron's defense portfolio includes Bell military helicopters (V-22 Osprey, AH-1Z Viper), unmanned systems, armored vehicles, and precision weapons. The company's Bell division is a major rotorcraft supplier to U.S. military, while Textron Systems provides innovative defense solutions. Though diversified with civilian aviation, defense represents a substantial portion of revenue and technological focus.

Kratos develops and fields transformative, affordable systems for national security, specializing in unmanned systems, satellite communications, cybersecurity, and missile defense. The company's target drones and tactical unmanned aerial systems support military training and operations. As a mid-tier defense contractor, Kratos focuses on disruptive technologies for contested environments.

AeroVironment designs and manufactures unmanned aircraft systems (drones) and tactical missile systems for military applications. The company's small UAS like Raven and Puma provide reconnaissance capabilities to ground forces, while its Switchblade loitering munitions offer precision strike capability. With focus on portable, soldier-operated systems, it serves critical battlefield intelligence needs.

Mercury Systems provides secure sensor and mission processing systems for aerospace and defense applications. The company specializes in making commercial technologies proficient for defense use, including AI computing, electronic warfare, and radar processing. Mercury's trusted microelectronics and secure processing subsystems are embedded in numerous defense platforms and programs.

Axon develops technology and weapons products for military, federal, and law enforcement, including TASER conducted energy weapons and body-worn cameras with evidence management systems. While primarily serving law enforcement, military police and security forces utilize Axon's less-lethal weapons and digital evidence platforms for force protection and military law enforcement operations.

Elbit Systems, an Israeli defense electronics company, supplies advanced electro-optical systems, drones, electronic warfare suites, and helmet-mounted systems to U.S. military and allies. The company's technologies enhance situational awareness and precision targeting for military platforms. While foreign-based, Elbit's U.S. subsidiary serves American defense needs with combat-proven systems.

Rocket Lab provides launch services and spacecraft systems for defense and intelligence customers, specializing in responsive space access for small satellites. The company's Electron rocket enables rapid deployment of military and reconnaissance satellites, while its Photon spacecraft platform supports national security space missions. Defense contracts are growing as military prioritizes resilient space capabilities.

BWX Technologies manufactures nuclear components and fuel for U.S. Navy submarines and aircraft carriers, being the sole supplier of naval nuclear reactors. The company also manages nuclear operations for government facilities and provides nuclear missile launch systems. Though specialized, its critical role in naval nuclear propulsion makes it essential to defense infrastructure.

Moog supplies precision control components and systems for military aircraft, missiles, and space vehicles, including flight control actuation systems and tactical vehicle turret controls. The company's technologies enable precision weapons guidance and military satellite positioning. Defense markets represent approximately 30% of revenues with high-value, engineered solutions.

Parsons delivers defense and intelligence solutions including cybersecurity, missile defense, intelligence analysis, and space systems. The company provides engineering and technical services for critical infrastructure protection and military facility construction. While diversified across federal and critical infrastructure markets, defense contracts represent a substantial business segment.

Viasat provides secure satellite communications and cybersecurity solutions to U.S. military and allied forces, including tactical data links and encrypted communications systems. The company's satellite network enables global military communications, while its cybersecurity products protect defense networks. Government systems represent a significant portion of revenue with critical battlefield connectivity solutions.

Spirit AeroSystems manufactures aerostructures for military aircraft including Boeing P-8 Poseidon, KC-46 tanker, and CH-47 Chinook helicopter. While primarily a commercial aerospace supplier, the company's defense programs include critical structures for military platforms. Defense work provides important revenue diversification and involves specialized military-grade manufacturing capabilities.

Ducommun provides engineering and manufacturing services for aerospace and defense, producing structural components and electronic systems for military platforms. The company supplies missile and space systems, military aircraft structures, and electronic warfare subsystems. As a tier-two supplier, Ducommun supports major defense primes on classified and strategic programs.

Honeywell's aerospace division supplies engines, avionics, and systems for military aircraft and vehicles, though defense represents less than 10% of total company revenue. The company provides turbine engines for military helicopters, navigation systems, and military logistics support. While primarily commercial-focused, Honeywell maintains important defense technology capabilities and contracts.