Indiana's aerospace engineering sector plays a pivotal role in manufacturing components for both commercial and defense markets. Companies specialize in everything from CNC machining to composite materials, crucial for aircraft and spacecraft. The industry's growth trajectory suggests increased investments in R&D, particularly in emerging technologies such as space exploration and UAVs. Additionally, Indiana benefits from a skilled workforce and established supply chains that strengthen its position in aerospace production, drawing in contracts from renowned aerospace players. This sector is pivotal in serving local and national needs, ensuring that innovation remains at the forefront of aerospace engineering.

The featured companies range from small to medium-sized enterprises, predominantly located across Indiana. Founded from 1930 to as recently as 2016, these firms specialize in areas like machining, engineering support, and composite manufacturing. Recognized names like Twigg Aerospace Components and Aerodyn Engineering highlight the state's strong foothold in various aerospace applications. Overall, Indiana's aerospace companies exemplify a blend of experience and forward-thinking innovation, contributing significantly to the industry.

Read on to discover the top aerospace engineering companies in Indiana.

Top 20 Aerospace Engineering Companies in Indiana

1. Twigg Aerospace Components

• Website: twiggcorp.com
• Ownership type: Private
• Headquarters: Martinsville, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1971
• Headcount: 1-10
• LinkedIn: twiggaerospace

Twigg Aerospace Components, based in Martinsville, Indiana, is a private aerospace manufacturer that has been in operation since 1971. The company specializes in producing precision components for the defense, commercial aerospace, and energy sectors. With a workforce of around 29 employees, Twigg has established itself as a key supplier to the U.S. Department of Defense and various aerospace original equipment manufacturers (OEMs). Their product offerings include exotic alloy components and maintenance, repair, and overhaul (MRO) services, which are essential for ensuring the longevity and performance of aerospace systems. Twigg's manufacturing capabilities are bolstered by advanced CNC machining technology and a dedicated engineering team that collaborates closely with clients to meet specific project requirements. The company is also actively involved in the emerging space industry, providing components for spacecraft and propulsion systems. Their commitment to quality is reflected in their adherence to stringent industry standards and continuous improvement practices.

2. CNC Industries, Inc.

• Website: cncind.com
• Ownership type: Family Owned
• Headquarters: Fort Wayne, Indiana, United States (USA)
• Employee distribution: United States (USA) 81%, Canada 19%
• Founded year: 1971
• Headcount: 11-50
• LinkedIn: cnc-industries-inc.

CNC Industries, Inc., based in Fort Wayne, Indiana, has been operational since 1971. This family-owned business specializes in high-speed CNC machining and fabrication services, primarily serving the aerospace and defense sectors. With a workforce of 26 employees, CNC Industries focuses on delivering precision components that meet stringent industry standards. The company is AS9100 Rev D certified, indicating its commitment to quality management in aerospace manufacturing. CNC Industries employs advanced manufacturing technologies and a custom-designed ERP system to manage complex data associated with aerospace components. They have established a reputation for reliability, earning multiple awards for their performance, including recognition from BAE Systems for exceptional contributions to supply chain success. Their capabilities include machining aluminum parts, assembly, and inspection, making them a critical supplier in the aerospace supply chain.

3. Britt Aero

• Website: brittaero.com
• Ownership type: Private
• Headquarters: Brazil, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1986
• Headcount: 51-200
• LinkedIn: britt-aero

Britt Aero, founded in 1986 and located in Brazil, Indiana, is a private aerospace manufacturer that specializes in complex manufacturing and custom tooling. With a workforce of around 30 skilled employees, the company has built a reputation for producing high-quality parts and providing engineering services that meet stringent industry standards. Britt Aero's capabilities include precision machining, fabrication, and inspection, all supported by advanced machinery and software. The company has established long-term relationships with major aerospace clients, including GE Aviation and Pratt and Whitney, and has recently achieved the status of a Rolls-Royce approved supplier. This recognition not only enhances their credibility but also opens doors for further collaboration within the aerospace sector. Britt Aero's commitment to quality and customer satisfaction has been a cornerstone of their operations, ensuring they remain a relevant entity in the aerospace manufacturing industry.

4. Polycraft Products, Inc.

• Website: polycraftproducts.com
• Ownership type: Private
• Headquarters: Greendale, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1982
• Headcount: 51-200
• LinkedIn: polycraft-products-inc.

Polycraft Products, Inc., founded in 1982 and based in Greendale, Indiana, is a private company that specializes in component manufacturing for the aerospace industry. The firm focuses on creating custom-engineered solutions, particularly for original equipment manufacturers (OEMs). Their product offerings include critical flight hardware and ground support equipment, which are essential for the safe and efficient operation of aircraft. Polycraft's expertise in molding polymers and bonding composites allows them to produce a variety of components, such as seals, gaskets, and vibration dampers, which are vital for aircraft functionality. The company operates under strict quality standards, holding certifications like AS9100D and FAA Limited Powerplant Repair Station, ensuring compliance with industry regulations. Their commitment to quality and innovation has enabled them to maintain long-term partnerships with clients, some of whom have been with them for over 30 years. Polycraft's facilities are equipped to handle a range of manufacturing processes, including CNC machining, injection molding, and composite bonding, which further supports their role in the aerospace sector.

5. Aerodine Composites

• Website: aerodinecomposites.com
• Ownership type: Private
• Headquarters: Indianapolis, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1989
• Headcount: 11-50
• LinkedIn: aerodine-composites-group

Aerodine Composites, based in Indianapolis, Indiana, has been a player in the composite manufacturing industry since its founding in 1989. The company specializes in creating high-performance lightweight composite structures, primarily serving the aerospace, medical, military, and motorsports sectors. Aerodine offers a range of services, including engineering support, research and development, and custom manufacturing solutions. Their materials, such as carbon fiber and Kevlar, are designed to meet the rigorous demands of various applications, ensuring durability and efficiency. As an FAA-approved repair station, Aerodine is equipped to handle maintenance, repair, and overhaul of advanced composite components, further solidifying their role in the aerospace industry. Their commitment to innovation is evident in their extensive R&D efforts, which aim to push the boundaries of composite technology and enhance performance across multiple sectors.

6. Bowmar LLC

• Website: bowmarllc.com
• Ownership type: Private
• Headquarters: Fort Wayne, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1951
• Headcount: 11-50
• LinkedIn: bowmar-llc

Bowmar LLC, based in Fort Wayne, Indiana, is an aerospace manufacturer with a rich history dating back to 1951. The company specializes in creating complex precision critical function assemblies tailored for the aerospace and defense industries. Their product range includes electro-mechanical assemblies, precision gear heads, and human-machine interface products, all designed to meet the stringent demands of military and commercial aviation. Bowmar serves a variety of clients, including government entities and prime contractors, ensuring high-quality components for aircraft such as the F-15, F-16, and various Boeing models. The company prides itself on its engineering capabilities, offering services from design to build, as well as reverse engineering and rigorous testing. Bowmar is committed to quality, holding certifications like ISO9001 and AS9100, and is ITAR registered, which further emphasizes its dedication to meeting industry standards. With nearly 70 years of experience, Bowmar continues to play a significant role in the aerospace sector, adapting to the evolving needs of its customers.

7. Kessington Aerospace

• Website: kessington.com
• Ownership type: Private Equity
• Headquarters: Elkhart, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: March 2011
• Founded year: 1974
• Headcount: 51-200
• LinkedIn: kessington

Kessington Aerospace, based in Elkhart, Indiana, has been a significant player in the aerospace and defense manufacturing sector since its inception in 1974. The company specializes in precision machined components, offering a range of services that include CNC machining, turning, milling, and engineering support. Kessington is known for its commitment to quality, achieving a 98% on-time delivery rate and maintaining high standards in manufacturing processes. Their clientele includes prominent aerospace firms such as Honeywell, Collins Aerospace, and Boeing, which rely on Kessington for high-quality parts that meet stringent industry requirements. The company is AS9100 certified, underscoring its dedication to quality management in aerospace manufacturing. Kessington's facility houses advanced machinery capable of handling complex projects, making it a trusted source for both commercial and military applications.

8. Marion Tool & Die, Inc. dba Marion Manufacturing

• Website: mariontool.com
• Ownership type: Private
• Headquarters: West Terre Haute, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Other (Grant), $115,000, June 2022
• Founded year: 1996
• Headcount: 51-200
• LinkedIn: marion-tool-and-die-inc.

Marion Tool & Die, Inc. dba Marion Manufacturing, founded in 1996, is a privately held company based in West Terre Haute, Indiana. With a workforce of approximately 71 employees, the company specializes in high-quality machining and manufacturing components across various sectors, including aerospace, defense, energy, heavy equipment, and agriculture. Marion Manufacturing is particularly noted for its precision machining and rapid prototyping services, which cater to the specific needs of its business clients. The company has made significant strides in the aerospace industry, providing essential components crafted from high-temperature alloys, steel, and aluminum. Their commitment to quality is reflected in their AS9100D and ISO 9001:2015 certifications, ensuring adherence to rigorous industry standards. In 2022, they received a grant of $115,000, which highlights their ongoing efforts to innovate and expand their capabilities. Marion Manufacturing's focus on client relationships and solution-oriented processes has allowed them to thrive in competitive markets, making them a noteworthy entity in the aerospace sector.

9. Aerodyn Engineering, LLC

• Website: aerodyn-global.com
• Ownership type: Private
• Headquarters: Indianapolis, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Other (Grant), $270,000, June 2015
• Founded year: 2002
• Headcount: 51-200
• LinkedIn: aerodyn-engineering-inc-

Aerodyn Engineering, LLC, based in Indianapolis, Indiana, is a private company founded in 2002. With a workforce of approximately 69 employees, Aerodyn specializes in engineering and manufacturing services, particularly in the fields of instrumentation, testing, and support. The company serves various industries, including aerospace, automotive, defense, and power generation. Aerodyn is recognized for its high-quality engineering solutions, which include design and analysis, precision manufacturing, and in-house testing capabilities. Their state-of-the-art facilities enable them to conduct rigorous testing for products designed to operate under extreme conditions. Aerodyn's commitment to quality and innovation is evident in their extensive service offerings, which include slip rings and on-site support. The company has also received funding, with a notable grant in 2015, which underscores its ongoing development and operational capabilities.

10. AMG Engineering & Machining

• Website: amgindy.com
• Ownership type: Corporate
• Headquarters: Indianapolis, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: August 2023
• Founded year: 1989
• Headcount: 51-200
• LinkedIn: amgindy

AMG Engineering & Machining, established in 1989 and located in Indianapolis, Indiana, is an engineering services and manufacturing company that specializes in precision machining. The firm produces high-quality components, sub-assemblies, and kits for various industries, with a strong emphasis on aerospace and defense applications. Their capabilities include turning and milling operations, and they manufacture valves for liquid and pneumatic systems used in automotive, healthcare, and defense sectors. AMG is committed to quality, as evidenced by their certifications such as AS9100, ISO9001, and ITAR compliance. With a climate-controlled manufacturing facility of 30,000 square feet, they are well-equipped to handle complex projects while ensuring timely delivery and adherence to industry standards. Their focus on customer satisfaction and integrity further solidifies their position as a reliable partner in the aerospace engineering sector.

11. Major Tool & Machine

• Website: majortool.com
• Ownership type: Corporate
• Headquarters: Indianapolis, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Other (Grant), $175,000, June 2022
• Founded year: 1946
• Headcount: 201-500
• LinkedIn: major-tool-%26-machine

Major Tool & Machine (MTM), founded in 1946, is a contract manufacturer based in Indianapolis, Indiana. The company specializes in providing complex engineering and machining services tailored to the aerospace and defense industries. With a manufacturing facility spanning 650,000 square feet, MTM offers a wide range of capabilities, including CNC machining, welding, assembly, and quality assurance. They are known for their expertise in handling large assemblies and components, often working with high-performance alloys. MTM has established strong relationships with key players in the aerospace sector, evidenced by their recognition as a top supplier by Raytheon Technologies. Their commitment to quality and project management ensures that they meet the stringent demands of mission-critical programs. In 2022, MTM received a grant of $175,000, reflecting their ongoing investment in capabilities and workforce development.

12. Aerofab Division of Tube Processing Corporation

• Website: tubeproc.com
• Ownership type: Corporate
• Headquarters: Indianapolis, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: February 2021
• Founded year: 1939
• Headcount: 51-200
• LinkedIn: aerofab-division-of-tube-prosessing-corporation

Aerofab Division of Tube Processing Corporation, based in Indianapolis, Indiana, has been a significant player in the aerospace and energy markets since its founding in 1939. The company specializes in the production and repair of complex metal components, catering to the aviation engine, diesel engine, and industrial gas turbine engine industries. Aerofab is recognized as a Tier 1 supplier, providing high-precision manufacturing and repair services that ensure operational efficiency and reliability for its clients. The company holds multiple certifications, including NADCAP and AS9100D, which affirm its commitment to quality and compliance with stringent industry standards. Aerofab's capabilities include advanced machining, welding, heat treating, and non-destructive testing, making it a comprehensive service provider for aerospace manufacturing needs. With a workforce of around 75 employees, Aerofab continues to serve a global clientele, emphasizing its role in the aerospace engineering sector.

13. KIHM Metal Technologies

• Website: kihmmetaltech.com
• Ownership type: Corporate
• Headquarters: Brazil, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: October 2022
• Founded year: 2006
• Headcount: 11-50
• LinkedIn: kihm-metal-technologies

KIHM Metal Technologies, founded in 2006 and located in Brazil, Indiana, is a manufacturing firm that specializes in metal forming and fabrication services. With a workforce of 11-50 employees, the company focuses on delivering high-quality components primarily for the aerospace, defense, and power generation industries. Their expertise lies in working with exotic alloys, which are often required in aerospace applications due to their unique properties. The company offers a variety of services including metal spinning, welding, hydroforming, and complex machining, all of which are essential for producing intricate aerospace components. KIHM is committed to quality, as evidenced by their certifications such as ISO 9001:2015 and AS9100 D, which are crucial for maintaining standards in the aerospace sector. Their approach emphasizes collaboration with clients to develop tailored solutions that meet specific project needs, ensuring efficiency and precision in production.

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

• Website: roarkfab.com
• Ownership type: Private
• Headquarters: Brownsburg, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1949
• Headcount: 51-200
• LinkedIn: c.f.-roark-welding-%26-engineering-co.-inc.

C.F. Roark Welding & Engineering Co., Inc., founded in 1949 and based in Brownsburg, Indiana, is a manufacturing firm that specializes in complex metal fabrication and precision welding services. With a workforce of around 47 employees, the company has built a solid reputation over its 70-plus years in business. Roark serves various industries, including aerospace, energy, and science, providing tailored solutions to meet the specific needs of its clients. The company is particularly noted for its expertise in electron beam welding, which allows for precise and high-quality welds, essential for aerospace applications. Roark's client roster includes prominent names such as GE Aviation, Rolls Royce, and Aerojet Rocketdyne, highlighting its significant role in the aerospace sector. The firm is also committed to quality, holding certifications like AS9100 and ISO 9001, which ensure adherence to stringent industry standards. Roark's focus on innovation and quality production positions it as a key player in the aerospace engineering landscape.

15. Damping Technologies, Inc.

• Website: damping.com
• Ownership type: Private Equity
• Headquarters: Mishawaka, Indiana, United States (USA)
• Employee distribution: United States (USA) 92%, France 8%
• Latest funding: November 2019
• Founded year: 1989
• Headcount: 11-50
• LinkedIn: damping-technologies-inc.

Damping Technologies, Inc. (DTI), founded in 1989 and based in Mishawaka, Indiana, is an engineering firm that specializes in noise and vibration control solutions. With a workforce of 36 employees, DTI provides a range of products and consulting services tailored to various industries, including aerospace, marine, and consumer products. The company focuses on enhancing product performance and durability through innovative engineering solutions. DTI's expertise is particularly relevant in the aerospace sector, where they have developed damping systems for critical applications such as aircraft fuselage skin and military weapons systems. Their commitment to addressing noise and vibration challenges has positioned them as a trusted partner for companies looking to improve the safety and reliability of their products. DTI employs advanced predictive analytics and experimental testing to ensure optimal performance of their damping systems, which are designed to meet the specific requirements of their clients' applications.

16. Precision Rings Incorporated

• Website: precisionrings.com
• Ownership type: Private
• Headquarters: Indianapolis, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1949
• Headcount: 51-200
• LinkedIn: precision-rings-incorporated

Precision Rings Incorporated, founded in 1949 and based in Indianapolis, Indiana, is a private manufacturer that specializes in custom piston rings and seal rings. The company serves a variety of industries, prominently including aerospace, power generation, and military applications. Precision Rings is known for its engineering expertise and commitment to quality, which is reflected in its ISO 9001:2015 and AS9100D certifications. Their products are designed to meet specific sealing and performance needs, making them a critical supplier for advanced aerospace systems. The company prides itself on its responsive service and attention to detail throughout the manufacturing process, ensuring that their products meet the high standards required in the aerospace sector. With a focus on innovation and quality, Precision Rings continues to adapt to the evolving needs of the industries it serves.

17. Pierce Aerospace

• Website: pierceaerospace.net
• Ownership type: Venture Capital
• Headquarters: Fishers, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Other (Debt), $1.1M, February 2024
• Founded year: 2016
• Headcount: 1-10
• LinkedIn: pierceaerospace

Pierce Aerospace, based in Fishers, Indiana, is an aerospace technology firm that specializes in Remote ID solutions for unmanned aerial systems (UAS) and low-altitude airspace monitoring. Established in 2016, the company has developed a range of products, including Remote ID beacons and sensors, aimed at ensuring compliance with FAA regulations and enhancing safety in airspace operations. Their offerings cater to a variety of stakeholders, including government agencies and commercial enterprises. The company has received funding, with a notable amount of $1,080,000 reported in early 2024, which underscores its potential for growth and innovation in the aerospace sector. Pierce Aerospace's technology has been recognized for its effectiveness in national security operations and has been awarded multiple contracts, reflecting its credibility and expertise in the field.

18. Aero Metals Inc.

• Website: aerometals.com
• Ownership type: Private
• Headquarters: La Porte, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1961
• Headcount: 201-500
• LinkedIn: aero-metals-inc.

Aero Metals Inc., based in La Porte, Indiana, has been a player in the manufacturing sector since its founding in 1961. The company specializes in precision investment casting services, providing high-quality cast parts primarily for the aerospace and military industries. With a workforce of around 76 employees, Aero Metals focuses on creating components that require complex geometries and tight tolerances, essential for aerospace applications. Their offerings include custom tooling, engineering assistance, and machining services, catering to original equipment manufacturers (OEMs) and businesses that demand durable and precise components. The company is certified to ISO 9001:2015 standards, ensuring quality in their manufacturing processes. Aero Metals has a strong commitment to meeting the stringent requirements of the aerospace sector, producing parts that comply with AS9001 standards and are utilized in commercial jetliners worldwide. Their expertise in investment casting allows them to handle both low- and high-volume operations, making them a reliable partner for various industries, including military and defense, firearms, and automotive.

19. Rostra Vernatherm

• Website: vernatherm.com
• Ownership type: Private
• Headquarters: Columbus, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1930
• Headcount: 11-50
• LinkedIn: rostra-vernatherm

Rostra Vernatherm, based in Columbus, Indiana, is a private manufacturer with a history dating back to 1930. The company specializes in precision thermal management systems, producing high-quality thermal actuators, thermostatic valves, and pressure relief valves. These products are primarily designed for the aerospace, defense, and energy sectors. With a state-of-the-art facility spanning 80,000 square feet, Rostra Vernatherm has established itself as a key player in the aerospace industry, supplying components that are integral to the operation of commercial jets and military vehicles. Their commitment to quality is underscored by certifications such as ISO 9001:2015 and AS 9100, which are essential for compliance in aerospace manufacturing. Rostra Vernatherm's extensive experience and focus on thermal control solutions position them as a relevant entity in the aerospace engineering sector.

20. Elite Technologies, LLC

• Website: elitetecllc.com
• Ownership type: Private
• Headquarters: Fort Wayne, Indiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2012
• Headcount: 11-50
• LinkedIn: elite-technologies

Elite Technologies, LLC, founded in 2012 and based in Fort Wayne, Indiana, is an engineering firm that specializes in integrated engineering support operations and staffing services. The company serves various sectors, including aerospace, automotive, and defense, providing solutions such as product engineering, prototype development, and recruitment services. With a team of skilled program managers, engineers, and designers, Elite Technologies focuses on enhancing project performance and ensuring timely delivery of engineering solutions. Their work in aerospace includes providing complete system and sub-system design solutions, which are essential for meeting the rigorous demands of the industry. The firm prides itself on its ability to deliver effective and efficient support, helping clients navigate the complexities of product development and compliance with industry standards. Elite Technologies has collaborated with numerous industry leaders, showcasing its capability to handle projects that require advanced engineering skills and innovative approaches.

Aerospace Engineering Insights: Key Companies in Indiana

Company	Headquarter	Size	Founded	Ownership
Twigg Aerospace Components	Martinsville, Indiana, United States (USA)	1-10	1971	Private
CNC Industries, Inc.	Fort Wayne, Indiana, United States (USA)	11-50	1971	Family Owned
Britt Aero	Brazil, Indiana, United States (USA)	51-200	1986	Private
Polycraft Products, Inc.	Greendale, Indiana, United States (USA)	51-200	1982	Private
Aerodine Composites	Indianapolis, Indiana, United States (USA)	11-50	1989	Private
Bowmar LLC	Fort Wayne, Indiana, United States (USA)	11-50	1951	Private
Kessington Aerospace	Elkhart, Indiana, United States (USA)	51-200	1974	Private Equity
Marion Tool & Die, Inc. dba Marion Manufacturing	West Terre Haute, Indiana, United States (USA)	51-200	1996	Private
Aerodyn Engineering, LLC	Indianapolis, Indiana, United States (USA)	51-200	2002	Private
AMG Engineering & Machining	Indianapolis, Indiana, United States (USA)	51-200	1989	Corporate
Major Tool & Machine	Indianapolis, Indiana, United States (USA)	201-500	1946	Corporate
Aerofab Division of Tube Processing Corporation	Indianapolis, Indiana, United States (USA)	51-200	1939	Corporate
KIHM Metal Technologies	Brazil, Indiana, United States (USA)	11-50	2006	Corporate
C.F. Roark Welding & Engineering Co.,Inc.	Brownsburg, Indiana, United States (USA)	51-200	1949	Private
Damping Technologies, Inc.	Mishawaka, Indiana, United States (USA)	11-50	1989	Private Equity
Precision Rings Incorporated	Indianapolis, Indiana, United States (USA)	51-200	1949	Private
Pierce Aerospace	Fishers, Indiana, United States (USA)	1-10	2016	Venture Capital
Aero Metals Inc.	La Porte, Indiana, United States (USA)	201-500	1961	Private
Rostra Vernatherm	Columbus, Indiana, United States (USA)	11-50	1930	Private
Elite Technologies, LLC	Fort Wayne, Indiana, United States (USA)	11-50	2012	Private

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