| # | Company | Employees |
|---|---|---|
| 1 |
US Armyusarmybasic.com
Providing prompt, sustained land dominance across full military operations spectrum, supporting combatant commanders in national defense and warfare. |
367,627 |
| 2 |
United States Air Forceairforce.com
Protects interests through air and space superiority, conducting global attacks, rapid mobility, precision engagement, information dominance, and agile combat support across multiple dimensions. |
243,929 |
| 3 | 139,657 | |
| 4 |
Boeingboeing.com
A global aerospace leader providing commercial airplanes, defense, space systems, and services, focused on innovation, customer delivery, and employee growth |
129,130 |
| 5 |
Sikorsky Aircraft Corporationlockheedmartin.com
Global security and aerospace company providing integrated solutions and predictive technologies to keep customers ahead of threats through advanced technology systems and services |
115,000 |
| 6 |
General Dynamics UKgd.com
A global company focusing on safety and security, producing a range of products from business jets to submarines with a culture of continuous improvement |
100,000 |
| 7 | 99,488 | |
| 8 |
Northrop Grummannorthropgrumman.com
Development of advanced technology solutions in autonomous systems, cyber, space, and defense to enhance global security and modernization. |
86,220 |
| 9 |
United States Marine Corpsmarines.mil
Provides rapid deployment of combined-arms task forces using naval mobility for power projection on land, sea, and air. |
78,275 |
| 10 |
Army National Guardnationalguard.com
This organization is a component of the Army, providing National Guard Soldiers who serve in various missions both domestically and overseas |
59,575 |
| 11 |
Parker Hannifinparker.com
Global leader in motion and control technologies, enabling engineering breakthroughs for a better tomorrow Diversified company providing vital products for various industries worldwide |
56,000 |
| 12 |
Collins Aerospacertx.com
Global aerospace company designing and delivering connected solutions for passenger safety, mission success, space exploration, and operational efficiency. |
51,969 |
| 13 |
NASA - National Aeronautics and Space Administrationnasa.gov
A pioneering organization pushing the boundaries of space exploration, scientific discovery, and aeronautics research to benefit humanity and improve life on Earth |
50,817 |
| 14 |
Amentumamentum.com
Amentum is a global leader in engineering, project management, and solutions integration, specializing in modernizing critical missions worldwide with speed and confidence |
50,000 |
| 15 | 48,589 | |
| 16 |
Booz Allen Hamiltonboozallen.com
Innovative technology consulting firm advancing critical missions through AI, cybersecurity, and engineering solutions, empowering clients to shape the future |
37,244 |
| 17 |
GE Aerospacegeaerospace.com
A global provider of jet and turboprop engines, components, and systems for various types of aircraft, enhancing the world through flight |
37,191 |
| 18 |
Leidosleidos.com
Global technology leader providing digital mission innovations and efficient technical services for government and commercial customers through a diverse, flexible work environment. |
37,171 |
| 19 | 36,645 | |
| 20 | 33,277 | |
| 21 | 31,433 | |
| 22 |
L3Harris Technologiesl3harris.com
Global provider of end-to-end technology solutions across space, air, land, sea and cyber domains to address mission-critical national security requirements. |
31,265 |
| 23 |
Pratt & Whitneyrtx.com
Design and manufacture advanced propulsion systems for aircraft, enabling global connectivity, economic growth, and national defense. |
30,378 |
| 24 |
Motorola Solutionsmotorolasolutions.com
The company builds and connects technologies to enhance public safety collaboration for safer communities, schools, hospitals, and businesses worldwide |
28,153 |
| 25 |
Textrontextron.com
A multi-industry company offering innovative solutions and services in aircraft, defense, industrial, and finance sectors through a global network |
27,398 |
| 26 |
General Dynamics Information Technologygdit.com
Provides technology and professional services to U.S. government agencies, specializing in digital modernization, AI, cloud, cyber, and application development worldwide. |
26,598 |
| 27 |
Sanminasanmina.com
A leading integrated manufacturing solutions provider offering end-to-end services to OEMs in various industries worldwide |
22,931 |
| 28 |
CACI International Inccaci.com
providing advanced technology and expert services to address complex national security challenges for government and defense sectors |
22,223 |
| 29 |
Parsons Corporationparsons.com
A digitally enabled solutions provider creating future defense, intelligence, and critical infrastructure solutions with an agile and innovative approach |
20,710 |
| 30 |
SpaceXspacex.com
A company specializing in designing, manufacturing, and launching advanced rockets and spacecraft with a goal of making life multiplanetary |
20,008 |
| 31 |
U.S. Air Force Reserveairforce.com
Supports US air defense and military missions, leveraging reservists' civilian skills and expertise for critical operations and training globally, alongside active-duty members. |
19,030 |
| 32 |
Peratonperaton.com
A company at the forefront of solving global challenges with innovative solutions, prioritizing safety and security through fresh perspectives and talent |
18,000 |
| 33 |
Royal Navyroyalnavy.mod.uk
A multi-faceted military organization with capabilities at sea, on land, and in the air, including ships, submarines, aircraft, and support vessels |
17,268 |
| 34 |
United States Armyunitedstatesarmy.gov
An organization dedicated to serving and protecting the nation through military operations and humanitarian efforts domestically and internationally |
16,827 |
| 35 |
BAE Systems, Inc.jobs.baesystems.com
International defense, security, and aerospace operations providing advanced electronic systems, cyber intelligence, combat vehicles, naval weapons, ship maintenance, and vehicle upgrades for military use. |
16,731 |
| 36 |
L3 Technologiesl3harris.com
Develops advanced defense technologies and commercial solutions in pilot training, aviation security, night vision, weapons, maritime systems and space for worldwide deployment. |
15,734 |
| 37 |
American Honda Motor Company, Inc.honda.com
Design and manufacture cars, trucks, advanced light jets, and mobility solutions focused on enhancing life potential and environmental responsibility. |
15,103 |
| 38 |
Gulfstream Aerospacegulfstream.com
A leader in business aviation, this company designs and manufactures innovative aircraft backed by a dedicated customer support network |
14,882 |
| 39 |
GlobalFoundriesgf.com
Semiconductor manufacturer offering innovative process technology solutions, design, development, and fabrication services with global presence and diverse workforce |
13,861 |
| 40 |
Oceaneeringoceaneering.com
Global technology company providing engineered services, products, and robotic solutions to offshore energy, defense, aerospace, and manufacturing industries worldwide |
13,838 |
| 41 |
Los Alamos National Laboratorylanl.gov
Multidisciplinary research institution focused on national security, nuclear stockpile safety, and advanced science in space, energy, computing, medicine, and nanotechnology. |
13,603 |
| 42 |
Air National Guardairforce.com
Provides part-time military service with high-tech career training, college tuition assistance, and federal benefits while serving in local units near home. |
12,937 |
| 43 |
U.S. Navy Reservenavyreserve.navy.mil
Delivers real-world capabilities and expertise to support the Navy mission, building a lethal, warfighting culture focused on great power competition. |
12,928 |
| 44 |
Sandia National Laboratoriessandia.gov
National security science and engineering laboratory focused on nuclear defense, biotechnology, environmental preservation, energy systems, and cyber security through innovative research and development. |
12,092 |
| 45 |
Blue Originblueorigin.com
Building affordable access to space and utilizing its resources to benefit Earth Developing reusable rocket engines, launch vehicles, in-space systems, and lunar landers |
12,048 |
| 46 |
Panasonic North Americabit.ly
Leading technology partner providing integrated solutions across various industries like automotive, energy, retail, and more to create breakthrough technologies for a better life and world |
11,525 |
| 47 |
Garmingarmin.com
Design and manufacture innovative products that enhance customer experiences in various markets, promoting a balanced work-life culture for employees. |
11,335 |
| 48 |
General Atomicsga.com
Development of advanced technology solutions including unmanned aerial vehicles, research reactors, aircraft systems, MagLev transport, and fusion energy for global customers. |
11,213 |
| 49 | 11,084 | |
| 50 |
Spirit AeroSystemsspiritaero.com
Global aerospace manufacturing company delivering quality aerostructures, innovations, and production expertise to commercial, defense, and business aerospace programs worldwide Headquarters in Wichita, Kansas |
11,074 |
| 51 |
Defense Logistics Agencydla.mil
Management of global defense supply chain including procurement, warehousing, transportation, and disposal of military materials and services. |
10,533 |
| 52 |
MANTECHmantech.com
A dedicated company providing technology services to support national security, military welfare, community protection, and healthcare advancement for over 50 years |
10,459 |
| 53 |
W. L. Gore & Associatesgore.com
A global materials science company solving technical challenges in diverse environments, generating annual revenues of $48 billion, and improving lives |
10,358 |
| 54 |
B/E Aerospacertx.com
Design, develop, manufacture aircraft cabin seating, lighting, oxygen, galley, water, waste, lavatory systems, plus customization and certification services. |
9,969 |
| 55 |
Plexus Corp.plexus.com
A global leader in providing design, development, supply chain solutions, manufacturing, and aftermarket services for companies in complex industries since 1979 |
9,957 |
| 56 |
General Dynamics Mission Systemsgdmissionsystems.com
A mission-critical C4ISR solutions provider developing technology for communication, data sharing, mine detection, and more across various domains |
9,815 |
| 57 |
Accenture Federal Servicesaccenture.com
The company brings advanced R&D, latest technologies, and human-centered design to the federal government to create lasting value and drive positive change |
9,719 |
| 58 |
Lawrence Livermore National Laboratoryllnl.gov
Development and application of advanced science, technology, and engineering to enhance national security, counterterrorism, defense, energy, and environmental challenges. |
9,546 |
| 59 |
General Dynamics Electric Boatgdeb.com
Design and build nuclear-powered submarines for the U.S. Navy, including Virginia-class and Columbia-class ballistic missile submarines. |
9,481 |
| 60 | 9,330 | |
| 61 | 9,164 | |
| 62 |
Bell Flightbellflight.com
Design and manufacture of helicopters and tiltrotor aircraft, pioneering aviation technology with a focus on safety and reliability. |
8,859 |
| 63 |
Newport News Shipbuilding, A Division of HIIhii.com
A division specializing in designing, building, and refueling nuclear-powered aircraft carriers and submarines, with a legacy of ship construction for the US Navy |
8,751 |
| 64 |
Anduril Industriesanduril.com
Transforms military capabilities through advanced technology and rapid R&D, delivering off-the-shelf products and path-making systems to support warfighters and allied defense operations. |
8,658 |
| 65 |
NASA Jet Propulsion Laboratoryjpl.jobs
A federally funded research and development center managed by Caltech for NASA, specializing in space exploration, technology development, and scientific problem-solving |
8,652 |
| 66 |
The Timken Companytimken.com
Designs and manufactures engineered bearings and industrial motion products, providing innovative, reliable solutions for diverse global industries. |
8,288 |
| 67 |
Parker Aerospaceparker.com
Global leader in research, design, manufacture, and service of aerospace systems and components for various markets worldwide Specializes in flight control, hydraulic, and thermal management technologies |
8,030 |
| 68 |
Rockwell Collinsrtx.com
Provider of flight deck avionics, cabin electronics, mission communications, and simulation services for commercial and military aviation customers worldwide. |
7,957 |
| 69 | 7,949 | |
| 70 |
Johns Hopkins Applied Physics Laboratoryjhuapl.edu
University-affiliated research center providing technical expertise, prototyping, research, development, and analysis for national security and scientific challenges. |
7,850 |
| 71 | 7,759 | |
| 72 |
Naval Air Systems Command (NAVAIR)navair.navy.mil
Delivers timely, effective, and sustainable naval aviation capabilities to ensure warfighter dominance and mission success while prioritizing safety and national defense objectives. |
7,687 |
| 73 |
Sensata Technologiessensata.com
Supplier of sensing, electrical protection, control, and power management solutions enhancing safety, efficiency, and comfort across multiple industries worldwide. |
7,634 |
| 74 |
Harris Corporationl3harris.com
A leading technology innovator providing solutions in communication systems, electronic systems, and space and intelligence systems to connect, inform, and protect globally |
7,430 |
| 75 |
Howmet Aerospacehowmet.com
A global provider of advanced engineered solutions for aerospace and transportation industries, specializing in jet engine components, aerospace fastening systems, and titanium structural parts |
7,402 |
| 76 | 7,318 | |
| 77 |
Oshkosh Corporationoshkoshcorp.com
Design and manufacture advanced industrial equipment using electrification, autonomy, AI, and connectivity for tough jobs worldwide. |
7,170 |
| 78 |
Viasatviasat.com
Global communications company providing connectivity solutions for consumers, businesses, governments, and militaries worldwide, ensuring internet access in remote locations and on-the-go |
6,809 |
| 79 | 6,784 | |
| 80 |
Leonardo DRSleonardodrs.com
Providing advanced sensing, network computing, force protection, and electric power propulsion technologies to global national security customers through practical, high-performance defense innovation. |
6,551 |
| 81 |
Woodward, Inc.woodward.com
The company specializes in providing energy conversion and control solutions for aerospace and industrial equipment markets, facilitating a cleaner, decarbonized world |
6,438 |
| 82 |
Precision Castpartsprecast.com
Market leader in manufacturing structural investment castings, airfoil castings, forged components, aerostructures, fasteners, seamless pipe, fittings, and alloys for aerospace, power generation, and oil & gas industries |
6,372 |
| 83 |
AARaarcorp.com
Global provider of aviation services to commercial and government markets, offering aftermarket expertise, aviation services, MRO, parts supply, integrated solutions, and manufacturing capabilities |
6,341 |
| 84 |
EnerSysenersys.com
Global leader in stored energy solutions for industrial applications, offering motive power, reserve power, aerospace/defense, specialty batteries, and integrated services worldwide |
6,257 |
| 85 |
United States Department of the Armyarmy.mil
The Department of the Army is a federal government agency within the Department of Defense responsible for organizing and leading the United States Army |
6,218 |
| 86 |
Qorvo, Inc.qorvo.com
It supplies innovative semiconductor solutions across various sectors, including automotive, consumer, defense, and mobile, addressing complex technical challenges effectively. |
6,155 |
| 87 |
United States Space Forcespaceforce.mil
Organizes, trains, and equips space forces to protect national interests, acquires military space systems, and develops professional doctrine for specialized combatant commands. |
6,087 |
| 88 |
Battellebattelle.org
A science and technology company solving critical issues through research, development, manufacturing, and services for government and commercial clients worldwide |
6,013 |
| 89 |
AMETEKametek.com
Global provider of industrial technology solutions with over $60 billion in annual sales, serving niche markets with differentiated technology solutions and focused on shareholder value generation |
5,963 |
| 90 |
ATIatimaterials.com
A global leader in materials science, providing solutions for extreme challenges in aerospace, defense, medical, and industrial applications worldwide |
5,959 |
| 91 |
TTM Technologiesttm.com
Global manufacturer of technology solutions like mission systems, RF components, PCBs Focus on time-to-market services, collaboration, and customer value |
5,936 |
| 92 |
Palantir Technologiespalantir.com
This company helps institutions solve urgent problems by integrating and analyzing data, enabling them to make better decisions across various industries |
5,933 |
| 93 |
General Atomics Aeronautical Systemsga-asi.com
Design and engineering of advanced long-endurance unmanned aerial systems, radars, and software for intelligence, surveillance, reconnaissance, and precision strike capabilities. |
5,913 |
| 94 |
Curtiss-Wright Corporationcurtisswright.com
Global manufacturer providing highly engineered products and advanced technology solutions for critical functions within international commercial, industrial, defense, and energy market sectors. |
5,835 |
| 95 |
Textron Aviationtxtav.com
Design and manufacture a wide range of aircraft including business jets, turboprops, pistons, military trainers, and defense products worldwide. |
5,792 |
| 96 |
Sikorskylockheedmartin.com
A global leader in helicopter technology, providing innovative and safe flight solutions for commercial and military markets worldwide since 1939 |
5,753 |
| 97 | 5,633 | |
| 98 |
FlightSafety Internationalflightsafety.com
Gold standard for elite aviation training, innovative flight simulation devices, and ultra-high-definition visual systems, elevating safety across the industry. |
5,558 |
| 99 |
Naval Sea Systems Command (NAVSEA)navsea.navy.mil
Engineering, building, purchasing, and maintaining ships, submarines, and combat systems to fulfill operational requirements for the fleet through command staff and headquarters directorates. |
5,551 |
| 100 |
Honeywell Aerospaceaerospace.honeywell.com
Provides aerospace products, control systems, sensing, and security technologies to customers worldwide, focusing on innovation and manufacturing. |
5,473 |
Turn this list into pipeline
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Oct 24, 2026.
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