How much federal contract spending goes to Illinois?

A direct answer for Illinois federal contract spending, top contractors, and visible NAICS markets.

Direct answer

Illinois has $21,008,296,385 in ingested federal contract obligations across 2,426 award records.

Answer Facts

Obligations$21,008,296,385

Awards2,426

Top contractorUCHICAGO ARGONNE, LLC

Top NAICS541710 - RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES

Who wins federal contracts in Illinois?

UCHICAGO ARGONNE, LLC is the largest visible contractor in Illinois at $17,264,919,334.

Which industries receive federal contract dollars in Illinois?

541710 - RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES is the largest visible NAICS category in Illinois at $17,264,919,334.

Source: USAspending.gov. Last updated from ingested federal spending data: May 7, 2026.