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Contractors by state
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Federal contractors in Illinois

281 federal prime contractors in Illinois received $12.4B in prime contract obligations in the latest 12 months. The largest by obligations since FY2022 is W S Darley & Co, and the most common primary industries are Commercial and Institutional Building Construction, Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology), and Engineering Services.

Contractors 251–281 of 281

Ranked by prime contract obligations since FY2022. Open a profile for top agencies, recent awards, and contracts ending soon.

Federal contractors in Illinois
ContractorPrimary NAICSLatest 12 moSince FY2022
Atlas Toyota Material Handling, LLC333923 Overhead Traveling Crane, Hoist, and Monorail System Manufacturing$1.8M$12.1M
HY-TEK Manufacturing Co., Inc.332993 Ammunition (except Small Arms) Manufacturing$12K$12.1M
Neuberger Berman Investment Advisers LLC523920$2.1M$12.0M
Quinn Frederick Corp236220 Commercial and Institutional Building Construction−$373K$12.0M
CCH Incorporated519290 Web Search Portals and All Other Information Services$2.8M$11.9M
Influit Energy LLC541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)−$8K$11.9M
Lawson Products, Inc.332216 Saw Blade and Handtool Manufacturing$1.2M$11.8M
Miramar International Group, Inc.561210 Facilities Support Services$779K$11.6M
Cision US Inc511210 Software Publishers$1.2M$11.6M
SKF USA Inc.336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing$637K$11.6M
Gold Wave Inc237120 Oil and Gas Pipeline and Related Structures Construction$2.9M$11.5M
jv6 Contracting LLC236220 Commercial and Institutional Building Construction$1.7M$11.3M
Innovation Development Institute Inc541714 Research and Development in Biotechnology (except Nanobiotechnology)$2.3M$11.1M
Koffel Medical Supply Inc325412 Pharmaceutical Preparation Manufacturing$1.8M$11.1M
Mayer Brown LLP541110 Offices of Lawyers$2.9M$11.1M
KAY KAY LLC334111 Electronic Computer Manufacturing$4.3M$11.1M
Glasshouse Systems Inc541512 Computer Systems Design Services$64K$11.0M
Arxium, Inc.333999 All Other Miscellaneous General Purpose Machinery Manufacturing$2.0M$11.0M
Starfire Industries LLC541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)$1.2M$10.9M
Langman Construction Inc237310 Highway, Street, and Bridge Construction$0$10.8M
ETS-Lindgren Inc334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals$668K$10.7M
Fresenius Kabi USA, LLC325412 Pharmaceutical Preparation Manufacturing$0$10.7M
IFS North America, Inc.541512 Computer Systems Design Services$885K$10.7M
Applied Pavement Technology, Inc.541330 Engineering Services$2.0M$10.5M
Epir, Inc.541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)$1.1M$10.5M
Kamex, Inc.237110 Water and Sewer Line and Related Structures Construction$0$10.5M
United Tactical Systems, LLC332994 Small Arms, Ordnance, and Ordnance Accessories Manufacturing$5.5M$10.4M
BBA Construction LLC238210 Electrical Contractors and Other Wiring Installation Contractors$3.0M$10.3M
Wiss, Janney, Elstner Associates, Inc.541310 Architectural Services$1.1M$10.2M
Institute of GAS Technology541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)$0$10.1M
The Board Room Inc541330 Engineering Services$0$10.1M

Prime contract obligations from USAspending.gov through Oct 5, 2026. Headquarters state comes from each contractor's most recent contract action. To search by name, UEI, or CAGE code, use the contractor directory.

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