Discover manufacturers in Illinois. Our directory features 112 listed manufacturing companies offering manufacturing services across Illinois.

Key Manufacturing Industries in Illinois

Manufacturing Economy Facts

  • Fifth-largest manufacturing state with $107 billion in annual output
  • Machinery manufacturing leader with Caterpillar, John Deere, and Abbott Laboratories
  • Major transportation equipment hub with Boeing, Ford, and Navistar
  • Food processing capital with Archer Daniels Midland, Tyson, and Kraft Heinz
  • Chemical manufacturing with Dow Chemical and BASF operations

Manufacturing Advantages in Illinois

  • Central US location ideal for distribution
  • Excellent transportation infrastructure and logistics networks
  • Strong manufacturing workforce and technical education
  • Major research universities and R&D capabilities
  • Established supply chain networks
  • Access to Great Lakes shipping and inland waterways

Transportation Infrastructure

Major Airports

  • O'Hare International
  • Midway International
  • Rockford International

Top Manufacturing Hubs in Illinois (view other states)

Illinois Manufacturers by Industry

Open an industry page when you need a food, automotive, pharmaceutical, chemical, or other category-specific shortlist in Illinois.

Popular Manufacturing Services in Illinois

Listed Manufacturing Companies in Illinois

📍 Cicero, IL

Precision Metal FabricationLaser CuttingCNC Machining

📍 Cicero, IL

Sheet Metal FabricationLaser CuttingCNC Machining

📍 Chicago, IL

Custom Die-Cut PartsSheet Rubber CuttingSponge Materials

📍 Lincolnwood, IL

Deep Drawn StampingsMetal FormingAutomotive Stampings

📍 Tinley Park, IL

Molded Rubber ProductsCustom Rubber GoodsRubber Molding

AeroGen-TEK

Aerospace

📍 Paris, IL

Combustion ComponentsHigh-Temperature AlloysComplex Fabrications

📍 Elmhurst, IL

Printed Circuit BoardsHDI PCBsRF Microwave PCBs

📍 West Chicago, IL

PCB FabricationQuick-Turn PrototypesMultilayer PCBs

📍 Litchfield, IL

Table LinensCommercial LinensRestaurant Linens

📍 Oswego, IL

Component RepairComponent OverhaulAircraft Accessories

ARC-Tronics Inc

Electronics

📍 Elk Grove Village, IL

Contract ManufacturingPCB AssemblyBox Build Assembly

Assemblies Unlimited Inc

Food & Beverage

📍 Evanston, IL

Contract PackagingCo-ManufacturingNatural Products