The aerospace engineering sector in Connecticut is home to a diverse range of companies that are influential at both a national and global level. These companies specialize in manufacturing advanced materials, creating innovative solutions for aviation engines, and developing precise bearing components for various sectors. Drawing from cutting-edge technology, engineering prowess, and a deep understanding of the aviation industry, these companies offer important products and services that support commercial, business, and military aviation. As the industry evolves, these businesses are also placing emphasis on lightweight and efficient aircraft manufacturing. The future direction of this industry is closely tied with advancements in technology and implies a continuous dedication to research and development.


Top 24 aerospace engineering companies in Connecticut

1. Pratt & Whitney

Pratt & Whitney is an engineering company that offers maintenance, repair, and overhaul solutions for aviation engines. They provide a range of products and services for commercial, business, and military aviation customers.


2. Hexcel Corporation

  • Website: hexcel.com
  • Headquarters: Stamford, Connecticut, United States
  • Founded: 1948
  • Headcount: 5001-10000
  • Latest funding type: Ipo
  • LinkedIn

Hexcel Corporation is a leading supplier of carbon fiber, honeycomb, and other composite materials for the commercial aerospace and industrial markets. With a focus on advanced technologies, Hexcel offers a wide range of products that help companies gain a competitive advantage in terms of lightweight and efficient aircraft manufacturing. They specialize in carbon fiber reinforcements, resin systems, and honeycomb structures, providing strength and reliability to various industries.


3. Kaman Aerospace Corporation

  • Website: kaman.com
  • Headquarters: Bloomfield, Connecticut, United States
  • Founded: 1945
  • Headcount: 5001-10000
  • Latest funding type: Ipo
  • LinkedIn

Kaman is a global technology leader and premier provider of customized, high-precision bearing solutions for the aerospace, medical, dental, and industrial sectors. They offer a wide range of products and services including aerospace wheels & brakes, composite and metallic structures, fuzes and safing devices, and non-contact displacement and speed measurement systems.


4. Barnes

  • Website: onebarnes.com
  • Headquarters: Bristol, Connecticut, United States
  • Founded: 1857
  • Headcount: 5001-10000
  • Latest funding type: Acquired
  • LinkedIn

Barnes Group Inc. pioneers technologies to help change the world. Leveraging world-class manufacturing capabilities and market-leading engineering, they develop advanced processes, automation solutions and applied technologies for industries ranging from medical and personal care to mobility, packaging and aerospace.


5. Barnes Aerospace

Barnes Aerospace is a leading provider of highly engineered machined and fabricated components and assemblies for aircraft engines and airframe manufacturers, as well as land-based industrial gas turbines. They offer new manufactured parts, spares support, and turbine engine component repairs, setting the industry standard.


6. Sikorsky Global Helicopters

  • Website: sikorsky.com
  • Headquarters: Stratford, Connecticut, United States
  • Founded: 2007
  • Headcount: 501-1000
  • Latest funding type: Acquired
  • LinkedIn

Sikorsky is a company that offers a range of innovative solutions in the aerospace industry. With a focus on helicopter manufacturing, Sikorsky delivers cutting-edge technology, reliable products, and exceptional services to its customers worldwide.


7. Butler Aerospace & Defense

  • Website: butler.com
  • Headquarters: Shelton, Connecticut, United States
  • Founded: 1947
  • Headcount: 1001-5000
  • LinkedIn

Butler.com provides engineering and support solutions for the aerospace and defense industries. They offer comprehensive services throughout the product lifecycle, including manufacturing, aftermarket support, and staffing. With expertise in critical design, they collaborate with suppliers and utilize innovative technology to accelerate innovation and agility. Their client base consists of Tier-1 and Tier-2 suppliers in the aerospace and defense sectors. Butler.com operates as a trusted alliance for top A&D companies, delivering quality-driven solutions globally.


8. Whitcraft Group

  • Website: whitcraft.com
  • Headquarters: South Windsor, Connecticut, United States
  • Founded: 1960
  • Headcount: 1001-5000
  • LinkedIn

Whitcraft is a leading manufacturer of highly-engineered precision formed, precision machined, and fabricated parts for aerospace turbine engine OEMs and Tier I suppliers.


9. ACM Aerospace Components Manufacturers, Inc.

Aerospace Components Manufacturers (ACM) is a network of premier aerospace companies committed to providing customers with quality aerospace components at competitive prices and always on time. They continuously optimize efficiency and reduce waste by implementing the best practices in Lean manufacturing. ACM ensures that their employees constantly improve their skills and develop expertise in new technologies.


10. HarcoSemco

  • Website: harcosemco.com
  • Headquarters: Branford, Connecticut, United States
  • Founded: 1951
  • Headcount: 201-500
  • Latest funding type: Acquired
  • LinkedIn

HarcoSemco is a manufacturer of custom aerospace components, specializing in thermocouples, cable harnesses, and sensor solutions. They offer innovative technology that meets challenging aerospace requirements, with products designed to withstand extreme temperatures and vibration. Their highly reliable and resilient solutions are tailored to fit the specific needs of their customers.


11. Aero Gear

  • Website: aerogear.com
  • Headquarters: Windsor, Connecticut, United States
  • Founded: 1982
  • Headcount: 201-500
  • LinkedIn

Aerogear is a company that specializes in the manufacturing and production of aerospace gears and geared systems. They offer a wide range of gear types and sizes, including spur, splines, helical, straight bevel, and spiral bevel gears. With expertise, experience, and a commitment to excellence, Aerogear ensures the highest quality standards in the aerospace industry.


12. Engine Alliance

Engine Alliance is a joint company of General Electric and Pratt & Whitney, specializing in providing the GP7200 engine, the quietest, most reliable, and most economical engine for the A380. They offer a flexible, reliable, and efficient support network to maximize the return on investment for their customers.


13. ACMT, Inc.

  • Website: acmt.aero
  • Headquarters: Manchester, Connecticut, United States
  • Founded: 1986
  • Headcount: 51-200
  • LinkedIn

ACMT is an aerospace manufacturing company that specializes in advanced laser cutting and inspection. They offer a wide range of products and services, including OEM hydroforming, composites, airframe structures, and adhesives & chemicals. With a focus on excellence and innovation, ACMT sets industry standards in output and quality while reducing waste and cost for customers.


14. Bauer

  • Website: bauerct.com
  • Headquarters: Bristol, Connecticut, United States
  • Founded: 1916
  • Headcount: 51-200
  • LinkedIn

Bauer, Inc. is a leading provider of component test and support equipment for the commercial and military aviation industries. With technical expertise and reliable performance, Bauer designs and manufactures test systems for OEMs, airlines, MROs, and military organizations worldwide.


15. Winslow Automatics Inc.

Winslow Automatics is a respected aerospace and aircraft parts equipment manufacturer with expertise in precision CNC turning and milling. With a reputation for quality, delivery, and competitive pricing, we specialize in working with difficult materials and tight tolerances. Our state-of-the-art facility, diverse array of CNC machinery, and engineering expertise allow us to handle both large and small production lots. As a job shop, we offer single or multiple operations on existing parts. Explore our site to discover the manufacturing services we provide.


16. Dexmet Corporation

  • Website: dexmet.com
  • Headquarters: Wallingford, Connecticut, United States
  • Founded: 1948
  • Headcount: 51-200
  • Latest funding type: Acquired
  • LinkedIn

Dexmet is a company that specializes in expanded materials for various industries such as aerospace, wind energy, automotive, and power technologies. Their MicroGrid® materials have been trusted by top OEM aircraft manufacturers and wind blade developers. They offer versatile expanded materials for applications including cathodic protection, filtration, EMI/RFI shielding, and high-temperature gaskets and bushings.


17. Test Logic, Inc.

  • Website: testlogic.com
  • Headquarters: Middletown, Connecticut, United States
  • Founded: 1997
  • Headcount: 11-50
  • LinkedIn

Test Logic is a leading supplier of turbine engine and transmission test equipment. They design and manufacture test equipment for a broad range of products and companies, including aerospace and military organizations. Test Logic provides turnkey solutions, data acquisition systems, and control interfaces. They offer outstanding service and support, ensuring customers receive what they need when they need it. With expertise in test equipment design, project management, manufacturing, and installation, Test Logic is committed to staying up-to-date with technology.


18. Gar Kenyon Aerospace and Defense

  • Website: garkenyon.com
  • Headquarters: Meriden, Connecticut, United States
  • Founded: 1950
  • Headcount: 11-50
  • LinkedIn

GarKenyon is a recognized leader in the aviation industry, specializing in the design, fabrication, assembly, and testing of advanced aerospace components. With over 60 years of experience, they offer high-quality hydro-mechanical, electromechanical, and mechanical components and assemblies. Their technical excellence, responsiveness, and innovation have made them the go-to source for hydraulic and pneumatic aerospace components, delivered on time and on budget.


19. Crane Co.

  • Website: craneco.com
  • Headquarters: Stamford, Connecticut, United States
  • Founded: 1855
  • Headcount: 10001+
  • Latest funding type: Ipo
  • LinkedIn

Crane Co. is a manufacturing company that specializes in fluid handling, engineered materials, merchandising systems, aerospace, and controls. With a focus on industrial manufacturing, Crane offers flow control products for aircraft and precision aircraft products. They have a strong acquisition program and aim to streamline their distribution network. Their history spans over 150 years, and they have a reputation for innovation and engineering excellence.


20. Capewell

  • Website: capewell.com
  • Headquarters: South Windsor, Connecticut, United States
  • Founded: 1881
  • Headcount: 201-500
  • LinkedIn

Capewell is a mission critical solutions provider that offers a broad range of products for the Department of Defense, Allies, and Partners. They specialize in supplying products that can withstand dangerous operating environments and ensure the safety of the team. With expertise in survivability, aerial delivery, and ground support, Capewell delivers innovative solutions tailored to meet specific needs.


21. Jonal Laboratories

  • Website: jonal.com
  • Headquarters: Meriden, Connecticut, United States
  • Founded: 1965
  • Headcount: 51-200
  • LinkedIn

Jonal.com is a company that specializes in engineering design assistance, material research and development, and manufacturing. They provide innovative solutions to engineering problems and work with clients throughout all stages of their projects.


22. Design-2-Part Shows

  • Website: d2p.com
  • Headquarters: Prospect, Connecticut, United States
  • Headcount: 11-50
  • LinkedIn

Design-2-Part (D2P) is America's largest and longest running contract manufacturing trade show. It offers a platform for manufacturers to showcase their products and services to potential customers.


23. American Seal & Engineering

  • Website: ameriseal.com
  • Headquarters: Orange, Connecticut, United States
  • Founded: 1971
  • Headcount: 51-200
  • Latest funding type: Acquired
  • LinkedIn

American Seal & Engineering Co., Inc. is a privately held corporation engaged in the design and manufacturing of Engineered Resilient Metal Seals and Sealing Systems for OEMs and subcontractor partners throughout the world. They provide the most innovative sealing technology in the industry.


24. Design Automation Associates

DAA Solutions is a company focused on industry digitalization and provides software solutions for the supply chain, design, and manufacturing sectors. They aim to enhance efficiency and productivity through their innovative PLM (Product Lifecycle Management) software.


Want to find more aerospace engineering companies?


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