Indiana, the crossroads of America, is also home to a diverse and flourishing automotive manufacturing industry. These pioneering companies cater to both domestic and international markets, ensuring that vehicles run longer, stronger and safer. The sector encompasses esteemed brands, creating everything from full vehicles to intricate parts – fuel delivery systems, vapor management systems, and more. They are staunch advocates of quality, safety, and environmental stewardship. The rise of technology and green initiatives indicates a promising evolution towards more sustainable and tech-advanced solutions.


Top 25 automotive manufacturing companies in Indiana

1. Subaru of Indiana Automotive

  • Website: subaru-sia.com
  • Headquarters: Lafayette, Indiana, United States
  • Founded: 1987
  • Headcount: 5001-10000
  • LinkedIn

Subaru of Indiana Automotive (SIA) is a manufacturing facility that produces vehicles for the North American market. With a focus on safety, quality, and environmental stewardship, SIA is home to the production of the Ascent, Impreza, Legacy, and Outback models. The company employs over 6,000 associates and is committed to delivering high-quality vehicles.


2. Stant

  • Website: stant.com
  • Headquarters: Connersville, Indiana, United States
  • Founded: 1898
  • Headcount: 1001-5000
  • Latest funding type: Acquired
  • LinkedIn

Stant is a global company in the automotive industry that specializes in the design and manufacturing of vapor management systems, fuel delivery systems, thermal management systems, and engineering services. With over 120 years of experience, Stant has established itself as a trusted supplier to OEMs, aftermarket retailers, and drivers worldwide, delivering high-quality products and innovative solutions to help vehicles run stronger and longer.


3. Futaba Indiana of America

Futaba Indiana of America Corporation (FIA) is a manufacturing company based in Knox County, Indiana. With over 700 team members, FIA specializes in supplying body weld and other parts to Toyota, particularly the Toyota Motor Manufacturing Indiana (TMMI) plant. The company is committed to ensuring safety, quality, and production through continuous improvement. FIA offers career opportunities for self-motivated individuals who are dedicated to excellence.


4. Austin Tri-Hawk Automotive, Inc.

  • Website: tri-hawk.com
  • Headquarters: Austin, Indiana, United States
  • Founded: 1998
  • Headcount: 201-500
  • LinkedIn

Austin Tri-Hawk Automotive is a top-notch manufacturer in the automotive industry, dedicated to providing high-quality equipment, manufacturing processes, technologies, and communications. As a subsidiary of G-Tekt Corporation, we supply parts to well-known Fortune 500 companies. Our focus is on producing the best automotive assemblies, ensuring maximum safety, durability, and longevity.


5. Small Parts, Inc.

Small Parts, Inc. specializes in the manufacturing and supply of high-quality metal stampings and components for the automotive industry. With expertise in non-ferrous, spring steel, and stainless steel alloys, the company ensures optimal material selection and efficient production processes to create reliable parts for seamless connections. Small Parts, Inc. holds prestigious awards for its commitment to quality and environmentally-friendly practices, offering design recommendations, sub-assemblies, and material cost transparency to provide added value to its customers in the Mid-West USA and Mexico.


6. Tec Air

  • Website: tecairllc.com
  • Headquarters: Munster, Indiana, United States
  • Founded: 1965
  • Headcount: 51-200
  • LinkedIn

Tec Air LLC is a manufacturing company specializing in custom plastic injection molding solutions. They serve various industries including the HVAC, consumer appliance, automotive, off highway vehicle, industrial equipment, and medical industries. Tec Air offers design, engineering, and manufacturing services, delivering high-quality plastic parts on time. With their proven manufacturing processes, ISO & TS based quality management system, and integrated ERP solution, they ensure world-class quality production and meet just-in-time manufacturing requirements.


7. Schafer Industries

  • Website: schaferindustries.com
  • Headquarters: South Bend, Indiana, United States
  • Founded: 1934
  • Headcount: 201-500
  • Latest funding type: Acquired
  • LinkedIn

Schafer Industries is a precision engineering and manufacturing company that specializes in solving tough gear and driveline challenges. With over 85 years of experience, they offer custom-engineered solutions for a diverse range of industries. Their expertise lies in producing high-quality, quiet axles for recreational and light-utility off-highway vehicles. Schafer Industries delivers reliable and hassle-free drivelines, providing solutions that match specific needs.


8. Lorentson Mfg. Co., Inc.

Lorentson Manufacturing is a privately held, family-owned company that has been operating since 1949. With extensive knowledge and expertise, our production floor is certified and we have a strong track record of quality and customer satisfaction. We specialize in manufacturing and offer exceptional tooling capabilities. Our commitment to excellence sets us apart, and we value our relationships with customers and the local trade school.


9. Jarrett Engineering

  • Website: jarretteng.com
  • Headquarters: Indianapolis, Indiana, United States
  • Founded: 1962
  • Headcount: 11-50
  • LinkedIn

Jarrett Engineering is an industry-leading company that specializes in driving the standards of efficiency, quality, and safety in the manufacturing and production designs. With expertise in digital software and tools like AutoCAD, SolidWorks, and Siemens NX, they offer services to various industries like automotive, aerospace, medical devices, and food processing. Their commitment to craftsmanship and delivering on customer expectations for over 60 years has made them a trusted name in the industry.


10. Samson Manufacturing Companies

Samson Companies offer metal component and assembly manufacturing services to a variety of industries such as defense, automotive, and construction. They provide quality products and expertise to produce complex metal components and assemblies with speed.


11. CCT Enterprises - Your Integrated Manufacturing Solution

  • Website: cct-ent.com
  • Headquarters: Auburn, Indiana, United States
  • Founded: 1987
  • Headcount: 51-200
  • LinkedIn

CCT Enterprises is an established manufacturing company with over 75 years of experience. They provide integrated manufacturing solutions for OEM, Tier 1, and Tier 2 companies across various industries. With a focus on continuous improvement, CCT Enterprises offers high-quality parts and services to the automotive, agricultural, medical, industrial, and firearms markets.


12. AMT (Advanced Machine and Tool)

  • Website: amt-corp.com
  • Headquarters: Fort Wayne, Indiana, United States
  • Founded: 1970
  • Headcount: 51-200
  • LinkedIn

AMT Precision Parts is a world leader in engineering and manufacturing of winding equipment, tooling, and custom automation. They specialize in providing manufacturing solutions for consumer goods, manufacturing, and automotive industries.


13. Tree City Tool & Engineering

Tree City Tool and Engineering is a company located in Greensburg, Indiana. They provide design and manufacturing services to various industries, including automotive and appliance. With a 32,000 square foot facility and a team of experienced professionals, they offer customized solutions to meet their customers' specifications. Their expertise includes welding, machining, assembly, integration, and leak testing.


14. AMT Precision Parts

  • Website: amtparts.com
  • Headquarters: Fort Wayne, Indiana, United States
  • Headcount: 51-200

AMT Precision Parts is a world-renowned engineering and manufacturing company that specializes in winding equipment, tooling, and custom automation. They provide excellent manufacturing solutions to consumer goods, manufacturing, and automotive industries, helping customers build electric motors, generators, automotive alternators, and more.


15. Rayco Machine & Engineering Group

Rayco Machine Engineering Group Inc. is a CNC machining and engineering company that specializes in the production of high-quality parts and components. The company's mission is to provide excellent customer service and quality at a competitive price.


16. Pro-Tech Tool &a; Engineering

  • Website: pro-techtool.com
  • Headquarters: Frankfort, Indiana, United States
  • Founded: 1995
  • Headcount: 11-50

Pro-Tech Tool & Engineering is an established company that operates in the engineering and manufacturing industry providing solutions to enhance the manufacturing process such as wire EDM, CNC machining, wire forms, and lat stock forming. They specialize in metal stamping, punch presses, multi-stamps, and custom tool building for various industries including automotive.


17. Goodwill Commercial Services

Goodwill Commercial Services is a division of Goodwill of Central & Southern Indiana. They provide contract manufacturing, packaging, and assembly services to local, national, and international customers. With modern production facilities and a large warehouse space, they are able to meet the diverse needs of their clients. Their central location, lean principles, quality control, and engineering capabilities have earned them top performance and supplier ratings from customers.


18. ProAir LLC

  • Website: proairllc.com
  • Headquarters: Elkhart, Indiana, United States
  • Founded: 1978
  • Headcount: 201-500
  • LinkedIn

ProAir is a leading HVAC manufacturer for specialty vehicles including school buses, commercial buses, shuttle buses, luxury coaches, delivery vans, RVs, fire trucks & ambulances, military vehicles, construction & agricultural equipment and more. They provide innovative system solutions and have a team of experienced engineers.


19. Capco-LLC

  • Website: capco-llc.com
  • Headquarters: Columbus, Indiana, United States
  • Founded: 1997
  • Headcount: 51-200
  • LinkedIn

Capco LLC is a company involved in the manufacturing and production of automotive parts and equipment. They offer a wide range of services including metal stamping, assembly, and washing. With a diverse portfolio of clients, Capco LLC caters to the needs of various industries.


20. Hoosier Tank and Manufacturing, Inc

  • Website: hoosiertank.com
  • Headquarters: South Bend, Indiana, United States
  • Founded: 1991
  • Headcount: 51-200
  • Latest funding type: Grant
  • LinkedIn

Hoosier Tank and Manufacturing is a leading manufacturer of steel air reservoirs for the heavy duty truck and trailer market.


21. Purdue Manufacturing Extension Partnership (MEP)

Purdue MEP provides high-value solutions to help Indiana businesses maximize their success. As advocates for Indiana’s thousands of manufacturers, our staff identifies areas of improvement, streamlines processes, and ultimately increases competitiveness. Purdue MEP serves hundreds of companies annually by implementing continuous improvement principles in the areas of productivity, growth, and technology.


22. Alliance Recreational Vehicles

Alliance RV is a luxury recreational vehicle (RV) manufacturer based in Elkhart, Indiana. They offer premium fifth wheels and toy haulers that combine luxury and towability. With a focus on customer experience, Alliance RV aims to create long-term alliances with its family of product owners and dealer partners. They prioritize innovation and collaboration with the RVing community in order to deliver transparent and customer-dedicated products.


23. Automation Engineering, LLC

  • Website: autoeng.com
  • Headquarters: Fort Wayne, Indiana, United States
  • Founded: 1976
  • Headcount: 11-50
  • LinkedIn

Autoeng.com is a company that specializes in automated assembly systems and test equipment. They offer development software, control systems, and specialty testers for various industries.


24. ATTC Manufacturing

  • Website: attcmfg.com
  • Headquarters: Tell City, Indiana, United States
  • Founded: 2000
  • Headcount: 501-1000
  • LinkedIn

ATTC Manufacturing, Inc. is an award-winning auto manufacturer specializing in the machining operations of gray and ductile iron products. With a focus on quality, we rapidly expand our plant and develop new product lines. As a Tier 2 Supplier, our customers rely on us for their auto product needs.


25. Elmotec Statomat

ELMOTEC STATOMAT is a leading manufacturer of special machines and precision tools for the production of stators. With over 70 years of experience, we provide innovative and customized manufacturing solutions for the electric motors of tomorrow. Our extensive machine and equipment portfolio, along with a strong partner network, enables us to meet the highest standards of performance, reliability, and weight optimization in the e-mobility industry.


Want to find more automotive manufacturing companies?


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