Indiana is rapidly emerging as a significant player in the aerospace manufacturing industry, with various companies making strides in this highly specialized sector. These firms are experts in creating and fabricating complex components for aircraft and spacecraft applications, using the most advanced techniques and technologies available. While offering a range of services like machining, welding, and fabricating, they also cover a broad spectrum of the aerospace industry, from medical and defense to nuclear aspects. They are consistently pushing the boundaries of innovation and precision, ensuring the safety and reliability of the products they produce. With Indiana becoming a buzzing hub for aerospace manufacturing, these companies have the potential to lead and shape the future of the industry.


Top 23 aerospace manufacturing companies in Indiana

1. Twigg Aerospace Components

  • Website: twiggcorp.com
  • Headquarters: Martinsville, Indiana, United States
  • Founded: 1971
  • Headcount: 51-200
  • LinkedIn

Twigg Corporation is a manufacturing company that has been in operation for over 50 years. They specialize in producing high-quality aerospace components through a meticulous process that includes skilled machining, heat treating, and fabrication. With a commitment to excellence and strict adherence to industry standards, Twigg Corporation ensures the reliability and durability of their products.


2. C.F. Roark Welding & Engineering Co.,Inc.

  • Website: roarkfab.com
  • Headquarters: Brownsburg, Indiana, United States
  • Founded: 1949
  • Headcount: 51-200
  • LinkedIn

Roark is an industry leader in complex metal fabrications, serving clients in the aerospace, energy, and science sectors. With over 70 years of experience, Roark excels in electron beam welding, providing precise and distortion-free results. Their expertise and dependability make them a trusted partner for their clients' complex metal fabrication needs.


3. GTC Machining

GTC Machining is a trusted partner in the medical device, defense, aerospace, and nuclear industries. With over 30 years of experience, they specialize in creating intricate and complex parts and assemblies used in equipment for hospitals, military, and aviation. They offer precision machine components and adhere to industry-specific process requirements. GTC Machining is committed to raising the bar by striving to meet or exceed customer expectations in quality standards and service.


4. Advance Aero Inc

Advance Aero Inc is a world class aerospace supplier providing aircraft maintenance, repair, and overhaul (MRO) services, as well as aviation-related parts manufacturing. They offer a range of services including aircraft interior solutions, sheet metal fabrication, CNC machining, composite fabrication, and welding. With their certified repair station, they cater to commercial, corporate, and private aviation clients, delivering top-quality service and aircraft parts.


5. MSP Manufacturing

MSP Manufacturing Inc. is a precision machining company with over 80 years of experience in designing and manufacturing precision-machined products for the aviation, aerospace, and defense industries. We have a worldwide leading reputation for excellence, with our components found in corporate, commercial, general, and military aircraft.


6. IET Global, Inc.

  • Website: ietglobal.com
  • Headquarters: Evansville, Indiana, United States
  • Founded: 1992
  • Headcount: 51-200
  • LinkedIn

IET Global is a supplier of high-quality diffusion bonded super alloy structures and complex fabrications for leading OEMs in the power generation, aerospace, and commercial markets.


7. Indiana Precision Grinding

Indiana Precision Grinding is a company that specializes in precision grinding services for aerospace and metalworking industries. They offer a wide range of grinding solutions to meet their customers' specific needs.


8. NMC, Inc.

Northside Machine Company is a CNC milling and turning provide high-quality components to the military, firearms, and aerospace industries. They use state of the art technology and precision CNC milling and turning to produce excellent components.


9. Hobson Tool & Machine - 3061 N. Morton, Franklin IN 46131

Hobson Tool and Machine is a small family-owned business specializing in the manufacture of aircraft parts and custom tooling, with over 30 years of experience.


10. Attco Machine Products

  • Website: attco.com
  • Headquarters: South Bend, Indiana, United States
  • Founded: 1962
  • Headcount: 11-50
  • LinkedIn

Attco Machine Products is a manufacturer specializing in components for aerospace technologies.


11. Aero Industries, Inc.

Aero Industries is a company that offers a wide range of products and services related to the aerospace industry. They provide innovative solutions for aircraft manufacturing, maintenance, and repair. With a focus on quality and efficiency, they cater to the needs of aviation professionals and enthusiasts alike.


12. Value Tool & Engineering, Inc

Value Tools & Engineering, Inc. is a company that offers custom tooling and engineering services. They specialize in fuel control component quality and testing & calibration. With a focus on customer support, they provide innovative solutions to meet the unique needs of their clients. Their capabilities include engine testing, custom tooling, and calibration services.


13. Airframe Components Inc

Airframe Components specializes in rebuilding and repairing aviation components for commercial and private aircraft. They offer repair, exchange, and outright purchase options. Customers can send in damaged components for repair or exchange, or purchase pre-built components.


14. Mack Tool & Engineering

  • Website: macktool.com
  • Headquarters: South Bend, Indiana, United States
  • Founded: 1988
  • Headcount: 51-200
  • Latest funding type: Grant
  • LinkedIn

MackTool & Engineering is a precision machining company offering world-class solutions for the medical instrument, orthopedic, and aerospace industries. With a focus on quality and expertise, they use advanced technology and highly skilled personnel to master precision machining challenges.


15. C&A Tool

  • Website: catool.com
  • Headquarters: Churubusco, Indiana, United States
  • Founded: 1969
  • Headcount: 501-1000
  • Latest funding type: Acquired
  • LinkedIn

C&A Tool is a leading manufacturing company that offers a comprehensive range of machining capabilities and solutions. With 60+ capabilities in large machining, they have the country's largest collection of for-contract equipment, ready to deliver customized engineering services. Trusted by leading brands in various industries, C&A Tool provides turnkey solutions and delivers high-quality products conforming to the specifications of aerospace, military, industrial, automotive, and healthcare sectors.


16. Mdl

  • Website: mdl-eu.com
  • Headquarters: Columbus, Indiana, United States
  • Headcount: 501-1000
  • LinkedIn

MDL Europe is a machine shop accessories company offering a wide range of products including machined plates, dies and components, guiding elements, punches, rollers cam units, gas springs, and machine shop accessories. With locations in France and Germany, MDL serves customers globally.


17. RENK Systems Corporation

RENK Systems is a company that designs and manufactures state-of-the-art test systems for various industries. They offer turnkey systems, replacement parts, upgrades, preventive maintenance, and repair service for existing test systems. Their customers include automotive, aerospace, railway, wind-power manufacturers and OEMs, as well as petroleum, military, government, and academic research laboratories.


18. Progress Tool & Die

Progressive Die and Stamping is a custom metal stamping company that specializes in precision metal stamping and commercial metal stampings in medium to large volume quantities utilizing progressive dies.


19. Dual Machine Corp.

Dual Machine Corp specializes in Swiss machining and screw machine parts, as well as precision CNC machined parts. They make Klincher Locknuts and Klincher Kapscrews, patented in 1943.


20. Indy Aerospace Inc.

Indy Aerospace Inc is a manufacturer in the aerospace industry with a focus on producing top quality products. They offer cutting edge manufacturing processes and impeccable schedule compliance to their clients.


21. Tech Castings LLC

Tech Castings LLC is a precision investment casting company specializing in lost-wax investment casting for Aerospace, with a focus on Nickel and Cobalt Superalloys, both vacuum and air melt chemistries, for use in gas turbine engines and APUs.


22. Manufacturing Technology, INC. (MTI)

  • Website: mtiwelding.com
  • Headquarters: South Bend, Indiana, United States
  • Founded: 1926
  • Headcount: 201-500
  • Latest funding type: Grant
  • LinkedIn

MTI Welding is a privately-held, fourth-generation company specializing in custom-engineered friction welding and resistance welding solutions for manufacturing processes. They offer transformational, solid-state technology to strengthen products in homes worldwide, as well as contract friction welding, part development, and aftermarket parts. Their expertise is available worldwide for industries such as aerospace, automotive, oil and gas, construction, consumer products, and military.


23. Bertrand Products Inc

Bertrand Products Inc. is a premier supplier of precision components and value-added assemblies for the aerospace, military, and helicopter industries. With a focus on high-precision, life-critical machined components, Bertrand Products has been a trusted partner since 1953.


Want to find more aerospace manufacturing companies?


If you want to find more companies that offer precision components, intricate assemblies, and complex fabrications you can do so with Inven. This list was built with Inven and there are hundreds of companies like these globally.


With Inven you'll also get to know the company's:


  • Ownership: Which of these are private equity backed? Which are family-owned?
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...and a lot more!