PCB Manufacturing Companies in Illinois

Illinois has approximately 13,000 manufacturing establishments and 570,000 manufacturing employees. Illinois is a top-five manufacturing state, with Chicago as a metal fabrication and food processing center, Peoria as Caterpillar's headquarters, and a vast network of industrial suppliers.

Illinois is one of the leading states for pcb manufacturing. PCB (printed circuit board) manufacturing encompasses companies that fabricate bare circuit boards and assemble populated boards with electronic components. The US PCB industry includes bare board fabricators, electronics manufacturing services (EMS) providers, and specialty high-reliability PCB producers serving defense, aerospace, medical, and industrial markets.

Bare Board Fabricators: Companies manufacturing multi-layer, HDI, flex, and rigid-flex printed circuit boards from raw laminate materials.

EMS Providers: Electronics manufacturing services companies like Jabil and Flex that assemble and test populated PCBs at scale.

High-Reliability PCB Makers: Specialty fabricators producing mil-spec, aerospace, and medical-grade circuit boards with enhanced quality systems.

Prototype & Quick-Turn Shops: Fast-turnaround PCB fabricators and assemblers serving engineering teams with prototype and low-volume production.

Flex Circuit Manufacturers: Companies specializing in flexible and rigid-flex circuit fabrication for compact, high-density applications.

Major industrial centers in Illinois include Chicago, Rockford, Peoria, Aurora, Joliet, and Elgin. These cities have concentrations of manufacturers across sectors including metal fabrication, food processing manufacturing, and chemical manufacturing.