US Factory Map

Aerospace manufacturers in Illinois

Illinois has 30 aerospace makers in EPA records, facilities that list codes for aircraft, engines, parts, missiles and space vehicles. The most are in Rockford, Mascoutah and Niles. That is 1% of the 2,268 such facilities nationwide, and Illinois ranks #23 of 49 states.

Product
Aerospace manufacturers
Facilities
30
State rank
#23
NAICS
336411 and 5 related codes
Revised
November 1, 2026

Facilities in Illinois

These are active facilities in EPA's ECHO database that list a code for aircraft, engines, parts, missiles and space vehicles.

FacilityCityWhat EPA lists
Boeing CoMascoutahAircraft Manufacturing
Hamilton SundstrandRockfordOther Aircraft Parts and Auxiliary Equipment Manufacturing
Danville Metal Stamping CoDanvilleAircraft Engine and Engine Parts Manufacturing
Heligear Acquisition Co Dbanorthstar Aerospace (Chicago) IncBedford ParkOther Aircraft Parts and Auxiliary Equipment Manufacturing
Ball Aerosol & Specialty ContDanvilleAircraft Engine and Engine Parts Manufacturing
Boeing Co Bldg 850 & 858MascoutahAircraft Manufacturing
Cef Ind IncAddisonOther Aircraft Parts and Auxiliary Equipment Manufacturing
Dynomax IncWheelingOther Aircraft Parts and Auxiliary Equipment Manufacturing
Hamiliton SunstrandRockfordOther Aircraft Parts and Auxiliary Equipment Manufacturing
Iet Meco IncParisAircraft Engine and Engine Parts Manufacturing
Woodward IncRockfordAircraft Engine and Engine Parts Manufacturing
Woodward IncLoves ParkAircraft Engine and Engine Parts Manufacturing
Aircraft Propeller Service LLCLake ZurichAircraft Engine and Engine Parts Manufacturing
Centurion Investments Inc-AvmatsMascoutahAircraft Manufacturing
Chemring Energetic DevicesDowners GroveOther Aircraft Parts and Auxiliary Equipment Manufacturing
Essex Pb&rEdwardsvilleOther Aircraft Parts and Auxiliary Equipment Manufacturing
Guardian Electric Mfg CoWoodstockOther Aircraft Parts and Auxiliary Equipment Manufacturing
Krs Aerospace Elastomeric SolutionsElginOther Aircraft Parts and Auxiliary Equipment Manufacturing
Mmp Liquidation LLCDes PlainesOther Aircraft Parts and Auxiliary Equipment Manufacturing
Molex Llc-Optical Solutions GroupDowners GroveOther Aircraft Parts and Auxiliary Equipment Manufacturing
Multax CorpMortonAircraft Engine and Engine Parts Manufacturing
Osf Aviation LLCPeoriaOther Aircraft Parts and Auxiliary Equipment Manufacturing
Premier Air Center Inc DBA West Star Aviation IncEast AltonOther Aircraft Parts and Auxiliary Equipment Manufacturing
Schindlers Service & Logistics CenterNilesOther Aircraft Parts and Auxiliary Equipment Manufacturing
Skf Sealing SolutionsElginOther Aircraft Parts and Auxiliary Equipment Manufacturing
The Boeing Company- LibertyvilleLibertyvilleAircraft Manufacturing
Unison Industries IncRockfordAircraft Engine and Engine Parts Manufacturing
West Grant Dev IncRocktonAircraft Engine and Engine Parts Manufacturing
Woodward Controls IncNilesOther Aircraft Parts and Auxiliary Equipment Manufacturing
Woodward Inc.NilesOther Aircraft Parts and Auxiliary Equipment Manufacturing

Industry codes are reported by facilities to EPA programs and are not checked here. A few listings may be repair shops, distributors or recyclers. How these records work.

Where they are

  • Rockford: 4
  • Mascoutah: 3
  • Niles: 3
  • Danville: 2
  • Downers Grove: 2
  • Elgin: 2

By product code

  • Other Aircraft Parts and Auxiliary Equipment Manufacturing (NAICS 336413): 17
  • Aircraft Engine and Engine Parts Manufacturing (NAICS 336412): 9
  • Aircraft Manufacturing (NAICS 336411): 4

All vehicles, aircraft and parts manufacturing in Illinois: 190 facilities and Census job counts.