The aerospace and defense industry in the US represents a critical segment dedicated to ensuring national security and advancing technological innovation. Companies operating in this sphere include manufacturers of aircraft, components, and systems for both civil and military applications. Notable trends include the push for unmanned systems, satellite technology, and sustainable aviation solutions. As geopolitical dynamics evolve, investment in research and development remains a priority, with companies striving to integration advanced materials and harness emerging tech like artificial intelligence and automation. This focus fosters continuous improvement in aerospace safety and operational efficiency, setting the stage for future growth.


This list highlights 17 notable aerospace and defense companies in the US, spanning diverse specializations. The firms range from large corporations like Collins Aerospace to smaller entities like Heizer Aerospace. Founded modestly as early as 1918, these companies have roots in various states, including North Carolina, California, and Virginia. Their operations focus on innovative technologies, protective equipment, and solutions for military and commercial demands, showcasing significant growth in employee numbers and market capabilities. With their rich histories and ongoing contributions, these companies play vital roles in transforming aerospace and defense operations to meet emerging challenges.


Read on to discover the top aerospace and defense companies in the US.


Top 17 Aerospace And Defence Companies in the US


1. Collins Aerospace

  • Website: collinsaerospace.com
  • Ownership type: Corporate
  • Headquarters: Charlotte, North Carolina, United States (USA)
  • Employee distribution: United States (USA) 57%, India 14%, United Kingdom (UK) 6%, Other 23%
  • Latest funding: Other (Grant), $1.1M, March 2023
  • Founded year: 1933
  • Headcount: 10001+
  • LinkedIn: collins-aerospace

Collins Aerospace, based in Charlotte, North Carolina, is a technology company that specializes in aerospace and defense solutions. Founded in 1933, the company has grown to employ over 53,000 people globally, with a significant presence in the United States, India, and Europe. Collins Aerospace offers a comprehensive range of products and services, including avionics systems, aerostructures, and connected aircraft solutions. Their innovations aim to enhance safety, efficiency, and performance in aviation, serving both commercial airlines and military organizations. The company is actively involved in addressing modern challenges in the industry, such as sustainability and the integration of advanced technologies. Recently, Collins Aerospace received funding, which underscores their commitment to ongoing development and innovation in the aerospace and defense sectors.


2. Rockwell Collins

  • Website: rockwellcollins.com
  • Ownership type: Corporate
  • Headquarters: Cedar Rapids, Iowa, United States (USA)
  • Employee distribution: United States (USA) 76%, India 6%, United Kingdom (UK) 4%, Other 14%
  • Latest funding: $30.0B, September 2017
  • Founded year: 1933
  • Headcount: 10001+
  • LinkedIn: rockwell-collins

Rockwell Collins, Inc., based in Cedar Rapids, Iowa, is a technology solutions provider with a strong emphasis on avionics and information technology systems. Founded in 1933, the company has built a reputation for delivering innovative solutions that cater to the needs of government agencies and aircraft manufacturers. Their product offerings include advanced navigation systems, communication technologies, and electronic warfare systems, all designed to enhance operational efficiency and safety in aviation. Rockwell Collins operates within the aviation and defense sectors, contributing to critical infrastructure and supporting various military and commercial applications. The company has a significant global presence, with a workforce that includes a majority based in the United States and additional employees in countries like India, the UK, and France. In 2017, Rockwell Collins secured a substantial funding amount of $30 billion, underscoring its financial strength and commitment to growth in the aerospace and defense markets.


3. UTC Aerospace Systems

  • Website: utcaerospacesystems.com
  • Ownership type: Corporate
  • Headquarters: Charlotte, North Carolina, United States (USA)
  • Employee distribution: United States (USA) 55%, United Kingdom (UK) 10%, India 8%, Other 27%
  • Latest funding: January 2018
  • Founded year: 2012
  • Headcount: 10001+
  • LinkedIn: utc_aerospace_systems

UTC Aerospace Systems, now operating under the name Collins Aerospace, is a prominent aerospace manufacturer based in Charlotte, North Carolina. Founded in 2012, the company specializes in advanced technologies and solutions tailored for commercial aviation, military defense, and business aviation. Collins Aerospace provides a comprehensive array of products, including avionics, structural technologies, and integrated systems. Their clientele spans airlines, military organizations, and government agencies, reflecting their significant role in the aerospace sector. The company emphasizes innovation and sustainability, positioning itself as a key contributor to the industry's evolution. With a workforce distributed across various countries, including the United States, United Kingdom, and India, Collins Aerospace continues to drive advancements in aerospace technology and solutions.


4. Sierra Nevada Corporation

  • Website: sncorp.com
  • Ownership type: Private
  • Headquarters: Sparks, Nevada, United States (USA)
  • Employee distribution: United States (USA) 99%, Other 1%
  • Founded year: 1963
  • Headcount: 1001-5000
  • LinkedIn: sierra-nevada-corporation

Sierra Nevada Corporation (SNC), founded in 1963 and based in Sparks, Nevada, is a prominent aerospace and defense company specializing in aircraft modification, integration, and advanced technologies for space missions. With a workforce of approximately 4,545 employees, SNC has built a reputation for delivering innovative solutions that address complex operational challenges. The company serves a range of clients, including the U.S. Department of Defense and NASA, providing high-quality engineering and technical services. SNC operates through various business areas, focusing on capabilities such as secure ISR solutions, tactical operations, and electromagnetic spectrum capabilities. Its commitment to quality and customer satisfaction has positioned SNC as a key player in the aerospace and defense sectors, where it continues to develop mission-focused technologies and systems.


5. General Atomics Aeronautical Systems


General Atomics Aeronautical Systems, Inc. (GA-ASI), founded in 1993 and based in Poway, California, specializes in the design and manufacture of unmanned aerial vehicles (UAVs) and radar systems. The company serves military organizations by providing advanced technology that enhances surveillance and reconnaissance capabilities. GA-ASI is recognized for its innovative approach, delivering reliable and versatile airborne solutions that contribute to national security. Their product lineup includes the well-known Predator series, which has achieved over 8 million flight hours, and various other UAVs like the MQ-9B SkyGuardian and the Gray Eagle. Additionally, GA-ASI develops integrated intelligence systems and training services, further solidifying its role in the aerospace and defense industry.


6. Insitu Inc

  • Website: insitu.com
  • Ownership type: Venture Capital
  • Headquarters: Bingen, Washington, United States (USA)
  • Employee distribution: United States (USA) 98%, Other 2%
  • Latest funding: Series D, $21.3M, December 2007
  • Founded year: 1994
  • Headcount: 1001-5000
  • LinkedIn: insitu-inc

Insitu Inc, founded in 1994 and based in Bingen, Washington, is a for-profit aerospace manufacturer that specializes in unmanned aerial systems (UAS). The company primarily serves defense and government sectors, offering a range of UAVs, payloads, and software solutions designed to enhance operational capabilities in surveillance and reconnaissance. Insitu has accumulated over 1.5 million operational flight hours, demonstrating its experience in deploying UAS in some of the most challenging environments worldwide. Their product lineup includes notable systems like the ScanEagle and RQ-21A Blackjack, which are designed for various military applications. Insitu operates globally, providing advanced technologies that support military operations and decision-making processes. The company is a wholly owned subsidiary of The Boeing Company, which further strengthens its position in the aerospace and defense industry. Insitu has also received significant funding, with a reported Series D funding round amounting to $21.3 million in 2007, indicating investor confidence in its growth potential.


7. Pioneer Aerospace Corporation


Pioneer Aerospace Corporation, based in South Windsor, Connecticut, is a significant entity within the aerospace and defense industry. Founded in 1938, the company operates under the umbrella of Safran, a major aerospace manufacturer. Pioneer Aerospace specializes in aircraft propulsion systems, equipment, and defense solutions, catering to both commercial and military clients. Their innovative products are designed to enhance safety and operational efficiency, reflecting a strong commitment to technological advancement. Recently, the company secured $2.2 million in funding in November 2023, indicating active engagement in the market and a focus on future growth. With a workforce of over 57 employees, Pioneer Aerospace continues to play a vital role in the aerospace sector, contributing to advancements in air travel and defense capabilities.


8. Precision Engine Controls

  • Website: precisioneng.com
  • Ownership type: Corporate
  • Headquarters: San Diego, California, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: $44.2M, January 2015
  • Founded year: 1968
  • Headcount: 51-200
  • LinkedIn: precision-engine-controls

Precision Engine Controls, a subsidiary of Meggitt, is based in San Diego, California, and has been a significant player in the aerospace and defense industries since its inception in 1968. The company manufactures a wide array of products that cater to both civil and military aviation, including advanced composites, avionics, and thermal management systems. Their expertise extends to critical areas such as braking systems, fuel systems, and safety systems, which are vital for ensuring the performance and safety of aircraft. Precision Engine Controls is dedicated to innovation, consistently developing solutions that meet the rigorous demands of the aerospace and defense sectors. The company operates with a workforce of approximately 51-200 employees, all based in the United States, and has received funding amounting to $44.2 million as of January 2015, indicating a level of financial backing that supports its ongoing operations and development.


9. Labinal Salisbury, Inc.

  • Website: labinal.com
  • Ownership type: Corporate
  • Headquarters: Salisbury, Maryland, United States (USA)
  • Latest funding: October 2000
  • Founded year: 1921
  • Headcount: 10001+
  • LinkedIn: labinal-salisbury-inc-

Labinal Salisbury, Inc. operates as a subsidiary of Safran, a prominent aerospace manufacturer and defense contractor. Founded in 1921, the company has built a reputation for specializing in aircraft engines, landing gear, and various electrical components. Labinal Salisbury serves a wide array of clients, including airlines, military organizations, and aerospace manufacturers. The company is dedicated to providing advanced technology and reliable products that enhance safety and efficiency in aviation and defense operations. Its commitment to innovation and operational excellence positions it as a significant contributor to the aerospace and defense sectors.


10. Airbus US Space & Defense, Inc.

  • Website: airbusus.com
  • Ownership type: Private
  • Headquarters: Arlington, Virginia, United States (USA)
  • Employee distribution: United States (USA) 90%, Spain 5%, Germany 2%, Other 3%
  • Founded year: 2019
  • Headcount: 201-500
  • LinkedIn: airbusus

Airbus US Space & Defense, Inc. is a private company based in Arlington, Virginia, established in 2019. With a workforce of approximately 333 employees, the firm specializes in aerospace and defense solutions. Their offerings include satellite manufacturing, secure communications, and military aircraft, serving both government and commercial customers. The company has made significant contributions to national security and space exploration, including the development of small satellite constellations and participation in high-profile projects like NASA's Artemis missions. Airbus US Space & Defense operates a state-of-the-art facility in Merritt Island, Florida, where they manufacture small satellites, demonstrating their commitment to advancing space technology. Their focus on secure communications and intelligence further underscores their relevance in the defense sector.


11. Heizer Aerospace, Inc.

  • Website: heizeraerospace.com
  • Ownership type: Private
  • Headquarters: Pevely, Missouri, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1963
  • Headcount: 51-200
  • LinkedIn: heizer-aerospace-inc.

Heizer Aerospace, Inc., based in Pevely, Missouri, has been a player in the aerospace manufacturing sector since its founding in 1963. The company specializes in the production of commercial and military aircraft structures, space systems, and defense vehicles. With a workforce of around 36 employees, Heizer Aerospace operates from a substantial facility that spans over 351,000 square feet. Their manufacturing capabilities include a range of components such as wing skins, engine mounts, and thrust reverser fittings, utilizing materials like titanium and aluminum alloys. The company prides itself on its commitment to quality, as evidenced by its adherence to industry standards and certifications. Heizer Aerospace also offers engineering and programming services, employing state-of-the-art CAD/CAM solutions to meet complex design requirements. Their focus on maintaining a reliable supply chain and competitive pricing makes them a valuable partner in the aerospace and defense sectors.


12. Frontier Electronic Systems

  • Website: fescorp.com
  • Ownership type: Family Owned
  • Headquarters: Stillwater, Oklahoma, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1973
  • Headcount: 51-200
  • LinkedIn: frontier-electronic-systems

Frontier Electronic Systems Corp. is an engineering and manufacturing company based in Stillwater, Oklahoma, specializing in high-reliability electronic systems for the aerospace and defense industries. Established in 1973, the company has grown to employ around 88 individuals, focusing on innovative design and manufacturing processes within an 86,000 square foot facility. Frontier provides a range of solutions, including Space Flight Systems, Naval Systems, Missile Systems, and Aircraft Avionics Systems. Their products are integral to various high-profile projects, such as the International Space Station and the Artemis mission to the moon. The company also manufactures circuit card assemblies for advanced missile systems and has developed automated test equipment for both military and commercial applications. As a woman-owned and Native American-owned small business, Frontier Electronic Systems is committed to quality, as evidenced by their AS9100 and ISO 9001 certifications, which meet the rigorous standards of the aerospace and defense sectors.


13. Avion Solutions, Inc.

  • Website: avionsolutions.com
  • Ownership type: Private
  • Headquarters: Huntsville, Alabama, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: Other (Grant), $15,000, November 2021
  • Founded year: 1992
  • Headcount: 201-500
  • LinkedIn: avion-solutions-inc

Avion Solutions, Inc., founded in 1992 and based in Huntsville, Alabama, is an employee-owned company that specializes in engineering and support services for the defense sector. With a workforce of approximately 230 employees, the company focuses on enhancing military capabilities and ensuring operational readiness for its clients, primarily government entities like the Department of Defense. Avion Solutions offers a comprehensive suite of services, including technology development, airworthiness certification, lifecycle engineering, integrated product support, systems engineering, and testing and analysis. Their commitment to quality and innovation has earned them multiple awards, including recognition as a 'Best Place to Work.' The company has also expanded its capabilities through strategic acquisitions, further solidifying its position in the defense industry. Avion Solutions is dedicated to providing effective solutions that meet the complex needs of its customers, thereby contributing to national security and military effectiveness.


14. Kearfott Corporation

  • Website: kearfott.com
  • Ownership type: Private
  • Headquarters: Montville, New Jersey, United States (USA)
  • Employee distribution: United States (USA) 91%, Mexico 9%
  • Founded year: 1918
  • Headcount: 501-1000
  • LinkedIn: kearfott-corporation

Kearfott Corporation, founded in 1918, is a private defense equipment manufacturer based in Montville, New Jersey. The company focuses on developing and producing guidance, navigation, and motion control systems for both military and commercial customers. Kearfott's product offerings include inertial navigation systems, line-of-sight systems, and various sensors and actuators, which are integral to the operation of aircraft, ground vehicles, and maritime applications. With facilities in New Jersey, North Carolina, and Mexico, Kearfott emphasizes innovative engineering and high-quality manufacturing processes. Their solutions are trusted in demanding environments, serving critical applications in aerospace and defense, including strategic missiles and autonomous vehicles. Kearfott operates as a subsidiary of Astronautics Corporation of America, further enhancing its capabilities and market reach.


15. EDePro d.o.o

  • Website: edepro.com
  • Ownership type: Private
  • Headquarters: Belgrade, Montana, United States (USA)
  • Employee distribution: Serbia 100%
  • Founded year: 1985
  • Headcount: 201-500
  • LinkedIn: edepro

EDePro d.o.o, based in Belgrade, Serbia, is a private defense contractor founded in 1985. The company specializes in the development and production of propulsion systems, rockets, and missiles, catering primarily to military and defense organizations. With a workforce of around 102 employees, EDePro has built a reputation for delivering innovative and high-quality solutions that enhance military capabilities. Their product range includes solid rocket motors, artillery systems, and advanced missile technologies, such as the ALAS XX cruise missile and the MLRS G-2000, recognized for its long-range capabilities. EDePro also engages in research and development, contributing to the modernization of existing defense systems and the creation of new technologies. Their commitment to technological advancement positions them as a notable entity in the aerospace and defense industry.


16. BlueHalo

  • Website: bluehalo.com
  • Ownership type: Corporate
  • Headquarters: Arlington, Virginia, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: $4.1B, November 2024
  • Founded year: 2019
  • Headcount: 1001-5000
  • LinkedIn: bluehalollc

BlueHalo, founded in 2019 and based in Arlington, Virginia, is a defense technology company that specializes in creating advanced solutions for military and civilian sectors. With a workforce of over 1,000 employees, the company focuses on critical areas such as space operations, autonomous systems, and electronic warfare technologies. Their product offerings include innovative systems for space operations, counter-uncrewed aerial systems (C-UAS), and electronic warfare capabilities. BlueHalo's clients include various organizations within the defense and aerospace industries, which rely on their cutting-edge technologies to enhance operational capabilities and address emerging threats. Recently, BlueHalo secured significant funding, amounting to $4.1 billion, indicating strong investor confidence in their mission and potential for growth.


17. Hermeus

  • Website: hermeus.com
  • Ownership type: Venture Capital
  • Headquarters: Atlanta, Georgia, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: Series B, $40.0M, July 2024
  • Founded year: 2018
  • Headcount: 201-500
  • LinkedIn: hermeus

Hermeus is an aerospace manufacturer based in Atlanta, Georgia, founded in 2018. The company specializes in the development of hypersonic aircraft, aiming to revolutionize air travel and enhance defense capabilities. Their flagship products include the Quarterhorse, a high-speed aircraft designed to demonstrate advanced flight technologies, and the Chimera engine, which combines turbojet and ramjet technologies for efficient hypersonic flight. Hermeus targets both commercial markets and defense sectors, working closely with organizations like the U.S. Air Force to develop uncrewed, high-speed aircraft for national security missions. The company has raised substantial funding, including a recent Series B round, which underscores its growth potential and commitment to operationalizing hypersonic flight.



Aerospace And Defence Insights: Key Companies in the US


CompanyHeadquarterSizeFoundedOwnership
Collins AerospaceCharlotte, North Carolina, United States (USA)10001+1933Corporate
Rockwell CollinsCedar Rapids, Iowa, United States (USA)10001+1933Corporate
UTC Aerospace SystemsCharlotte, North Carolina, United States (USA)10001+2012Corporate
Sierra Nevada CorporationSparks, Nevada, United States (USA)1001-50001963Private
General Atomics Aeronautical SystemsPoway, California, United States (USA)5001-100001993Private
Insitu IncBingen, Washington, United States (USA)1001-50001994Venture Capital
Pioneer Aerospace CorporationSouth Windsor, Connecticut, United States (USA)10001+1938Corporate
Precision Engine ControlsSan Diego, California, United States (USA)51-2001968Corporate
Labinal Salisbury, Inc.Salisbury, Maryland, United States (USA)10001+1921Corporate
Airbus US Space & Defense, Inc.Arlington, Virginia, United States (USA)201-5002019Private
Heizer Aerospace, Inc.Pevely, Missouri, United States (USA)51-2001963Private
Frontier Electronic SystemsStillwater, Oklahoma, United States (USA)51-2001973Family Owned
Avion Solutions, Inc.Huntsville, Alabama, United States (USA)201-5001992Private
Kearfott CorporationMontville, New Jersey, United States (USA)501-10001918Private
EDePro d.o.oBelgrade, Montana, United States (USA)201-5001985Private
BlueHaloArlington, Virginia, United States (USA)1001-50002019Corporate
HermeusAtlanta, Georgia, United States (USA)201-5002018Venture Capital


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