The aerospace industry in Illinois consists of numerous high-tech manufacturing firms that specialize in the production and development of vital components for aircraft. These enterprises operate in a diverse range of sectors, creating everything from precision-made parts for helicopters to innovative systems for fixed-wing aircraft. The industry not only provides components but also excellent services like maintenance, repairs, and comprehensive quality assurance. The evolution towards precision machining and advanced fabrication processes represents the future of the industry, delivering high-quality components and innovative solutions.


Top 22 aerospace manufacturing companies in Illinois

1. Northstar Aerospace

  • Website: nsaero.com
  • Headquarters: Bedford Park, Illinois, United States
  • Founded: 2000
  • Headcount: 501-1000
  • Latest funding type: Debt Financing
  • LinkedIn

Northstar Aerospace is a leading independent manufacturer of aerospace components. With facilities in Canada and the USA, we specialize in the conception and installation of flight critical gears and transmissions, rotorcraft drive systems, and other machined and fabricated parts for helicopters and fixed-wing aircraft. Our comprehensive development plans and innovative design allow us to supply the worldwide market with high-quality products. Additionally, we offer maintenance, repairs, and overhaul services for our products.


2. Danville Metal Stamping Co., Inc.

Danville Metal is a manufacturing company based in Danville, Illinois. They specialize in the fabrication, machining, and assembly of components primarily for the gas turbine engine industry. Their expertise includes sheet metal aerospace components, forming, machining, laser, and welding operations.


3. Dynomax Inc.

Dynomax is a full-service injection molder that utilizes the latest technologies to transform manufacturing processes. They provide consultation, tooling, and quality assurance for small to micro-molding applications. With a focus on precision machining and injection molding, Dynomax delivers innovative solutions and high-quality components for industries such as aerospace, defense, medical, energy, and transportation.


4. AeroGen-TEK

AeroGen-TEK is a manufacturer of complex fabrications and combustion components using high-temperature super alloy components for the aerospace and industrial gas turbine markets.


5. Prime Air, A HEICO Company

  • Website: primeair.com
  • Headquarters: Skokie, Illinois, United States
  • Founded: 1995
  • Headcount: 51-200
  • LinkedIn

Prime Air is a leading worldwide supplier of quality aircraft components and services for all civil aircraft and engine platforms. With over 25 years of experience, Prime Air offers 24/7 AOG support and is an Asset Management Specialist within the HEICO Repair Group family. They provide ASA-100 and FAA 00-56B certified parts and have a Wheel and Brake Division. Contact them at their headquarters in Skokie, IL or at their regional offices in Europe and Miami.


6. AOG Aviation Spares

AOG Aviation Spares LLC is an FAA repair station that specializes in providing component repair and overhaul services to the aerospace industry. They offer a variety of component capabilities on numerous aircraft, and their customers include major commercial airlines, regional airlines, corporate aircraft operators, and parts brokers. They also have expertise in supplying aircraft parts and welcome exchange sales.


7. PMI Aerospace

PMI Aerospace is a manufacturing leader in the Aerospace industry. We provide precision machined component parts and assemblies that fit in the palm of your hand. Our deeply rooted expertise stems from our highly specialized business units, which until recently were known by the names of Precision Masters, Lamcam Machine and Precision Valve. Now, united by a single name and streamlined production, PMI Aerospace is positioned to deliver our products more quickly, cost-effectively and precisely than ever before. Through years of specialized development, our on-site capabilities have grown to include 3, 4 and 5 axis CNC machining, automated 5 axis production cells, sophisticated CNC turning, robotic loading/unloading and high-precision grinding, honing and lapping. Our customer base has expanded too. Today, we are proud to partner with distinguished OEMs across the Aerospace industry, including many industry leaders such at Collins Aerospace, Pratt & Whitney, Space X, United Technologies Aerospace Systems, Eaton Aerospace Group, GE Aviation, Parker Aerospace and Triumph, among many others. Operating five days per week, 24 hours per day, from comprehensive modern facilities in Rockford, Illinois and Reno, Nevada, our employee-driven, technology-oriented company is ready to meet all of your Aerospace component parts needs—with absolute precision. AS9100 – ISO9001 – ITAR REGISTERED – FLIGHT SAFETY PARTS – QUALITY CLINIC CERTIFIED


8. AT Precision, Inc.

AT Precision is a well-managed company that offers high-speed CNC machining services and contract manufacturing. With a team of extensively trained machinists, we produce accurate parts from various materials. Our comprehensive equipment inventory and reverse engineering capabilities ensure personalized service for our customers. We specialize in industries like aviation, telecommunications, pharmaceuticals, and aerospace.


9. Midwest Aero Support, Inc.

Midwest Aero Support is a company that provides quality repair and electronic manufacturing services for commercial aircraft worldwide. With a state-of-the-art facility in Machesney Park, Illinois, they are capable of handling any repair or manufacturing project. They have partnered with over 60 airlines and numerous clients globally, and their work consistently meets or exceeds client expectations.


10. Aphelion Precision Technologies

  • Website: aphelionptc.com
  • Headquarters: Elk Grove Village, Illinois, United States
  • Founded: 1981
  • Headcount: 11-50
  • LinkedIn

Aphelion Precision Technologies is a manufacturer of complex machined components and subassemblies for the aerospace, military and optics industries.


11. AeroDirect, Inc.

AeroDirect is a company that specializes in the supply chain management of rotable components for the aerospace industry. They offer value-added services such as inventory purchases and consignment. Their website provides easy access to their products and services, making it convenient for customers to order and track their purchases.


12. IDC Engineering

  • Website: idc-tech.com
  • Headquarters: Germantown Hills, Illinois, United States
  • Founded: 1992
  • Headcount: 201-500
  • LinkedIn

IDC is a specialized engineering and digital services company that offers power generation solutions, including embedded system design and product electrification. They have expertise in classic and modern technologies like IoT and digital technologies. With a commitment to quality and on-time delivery, IDC provides solutions for industries like oil and gas, automotive, heavy machinery, and aerospace.


13. Anchor Harvey

Anchor Harvey is a data-driven aluminum forging company with a century-long legacy in precision manufacturing, engineering, and supply chain management in the USA.


14. Driv-Lok, Inc.

  • Website: driv-lok.com
  • Headquarters: Sycamore, Illinois, United States
  • Founded: 1940
  • Headcount: 51-200
  • Latest funding type: Acquired
  • LinkedIn

DRIV-LOK is a healthcare equipment manufacturer known for its customization and quality. With over 70 years of ingenuity, the company provides reliable and safe solutions to industries such as automotive, aerospace, and sports & recreation. DRIV-LOK offers a wide range of products, including grooved pins, spring pins, and dowel pins, that are trusted by design engineers and preferred distributors for their fastening needs. Their exclusive methodology, EngiNomics™, combines the expertise of their engineers with high-quality design and production, helping manufacturers achieve more.


15. Aar

  • Website: aarcorp.com
  • Headquarters: Wood Dale, Illinois, United States
  • Founded: 1951
  • Headcount: 5001-10000
  • Latest funding type: Post Ipo Debt
  • LinkedIn

AAR Corp is a leading provider of aviation services to commercial and government operators, MROs, and OEMs. They offer parts supply, MRO services, integrated solutions, and mobility systems.


16. Ingenium Technologies

Ingenium Technologies is a leading engineering services organization that provides outsourcing, consulting, and staffing solutions. They offer a full range of design, analysis, development, integration, software, and technical writing expertise for components and systems. With over 50 professionals and an average experience of 25 years, they serve military and commercial aerospace sectors, as well as non-aerospace sectors like medical and land vehicles. Their customers include the US DoD, OEMs, and tiered companies.


17. Creative Hi-Tech Ltd.

Creative Hi-Tech is a leading PCB assembly services provider. They offer a comprehensive range of services from design to delivery, for single and multi-layer PCBs. With a state-of-the-art facility, they utilize the latest in PCB design software, prototyping machines, and assembly equipment.


18. XLCS Partners, Inc.

XLCS Partners is an independent investment banking firm that provides M&A advisory, capital raising, and debt advisory services for select clients globally.


19. Capsonic Companies

  • Website: capsonic.com
  • Headquarters: Elgin, Illinois, United States
  • Founded: 1968
  • Headcount: 501-1000
  • LinkedIn

Capsonic is a company that specializes in delivering comprehensive DFM services, ensuring on-time and within budget production of parts in various industries. They collaborate with customers on design, with expertise in electromechanical aerospace, and have a commitment to generating time, quality, and cost savings advantages. Capsonic also focuses on creating smaller, lighter weight components that increase fuel economy of hybrid vehicles and the range of electric vehicles.


20. Abrasive-Form

  • Website: abrasive-form.com
  • Headquarters: Bloomingdale, Illinois, United States
  • Founded: 1976
  • Headcount: 201-500
  • Latest funding type: Acquired
  • LinkedIn

Abrasive Form is a leading manufacturer in precision grinding, specializing in creep feed and 5-axis CBN grinding. With over 40 years of manufacturing and engineering excellence, the company provides high-quality products and services to the Industrial Gas Turbine (IGT), Aerospace, and General Industrial sectors. They have long-term relationships with major IGT and Aerospace customers, delivering precision components when needed.


21. EH Baare

  • Website: plant4.com
  • Headquarters: Robinson, Illinois, United States
  • Headcount: 51-200

Plant4 is a group of companies specializing in custom components and fan systems for engine and HVAC manufacturers, with in-house manufacturing and testing capabilities.


22. CEF Industries

CEF Industries is a company that specializes in manufacturing and engineering aerospace components such as gear boxes, actuators, landing lights, and compressors. They offer repair and overhaul services, and have a wide range of products for various applications.


Want to find more aerospace manufacturing companies?


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