State

Illinois

Total tracked spending: $60.3B

Spending Trend

$10.4B
FY2020
$9.0B
FY2021
$11.4B
FY2022
$9.1B
FY2023
$11.2B
FY2024
$8.5B
FY2025
$743.1M
FY2026

Top Contractors

Top Agencies

Top NAICS Categories

CodeDescriptionObligationsContracts
541710RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES$24.8B13
324110PETROLEUM REFINERIES$5.2B8386
541330ENGINEERING SERVICES$3.8B962
339999ALL OTHER MISCELLANEOUS MANUFACTURING$3.7B31568
423450MEDICAL, DENTAL, AND HOSPITAL EQUIPMENT AND SUPPLIES MERCHANT WHOLESALERS$3.6B1779348
334511SEARCH, DETECTION, NAVIGATION, GUIDANCE, AERONAUTICAL, AND NAUTICAL SYSTEM AND INSTRUMENT MANUFACTURING$3.3B486
423850SERVICE ESTABLISHMENT EQUIPMENT AND SUPPLIES MERCHANT WHOLESALERS$3.2B2747
237990OTHER HEAVY AND CIVIL ENGINEERING CONSTRUCTION$3.1B318
541519OTHER COMPUTER RELATED SERVICES$2.5B6062
339112SURGICAL AND MEDICAL INSTRUMENT MANUFACTURING$2.5B3215
541810ADVERTISING AGENCIES$2.2B86
541512COMPUTER SYSTEMS DESIGN SERVICES$2.0B646
332993AMMUNITION (EXCEPT SMALL ARMS) MANUFACTURING$2.0B155
236220COMMERCIAL AND INSTITUTIONAL BUILDING CONSTRUCTION$2.0B1382
334419OTHER ELECTRONIC COMPONENT MANUFACTURING$1.9B2235