Companies headquartered in Illinois, by prime awards since FY2021
Rows 101–200 of 5,696, largest first
| Company | City | Primary industry (NAICS) | Prime awards since FY2021 |
|---|---|---|---|
| Supplied Industrial Solutions, Inc. | Granite City | 424990 Other Miscellaneous Nondurable Goods… | $68.7M |
| Abbott Laboratories | Abbott Park | 334516 Analytical Laboratory Instrument… | $68.5M |
| Jet Support Services, Inc. | Chicago | 488190 Other Support Activities for Air… | $68.3M |
| Sagent Pharmaceuticals, Inc. | Schaumburg | 325412 Pharmaceutical Preparation Manufacturing | $66.6M |
| Tempus Ai, Inc. | Chicago | 541714 Research and Development… | $65.4M |
| Evac North America Inc. | Cherry Valley | 333310 Commercial and Service Industry… | $64.3M |
| US Medical Glove Company L.L.C. | Harvard | 339113 Surgical Appliance and Supplies… | $63.6M |
| Insurance Auto Auctions, Inc. | Westchester | 423110 Automobile and Other Motor Vehicle… | $62.9M |
| Krueck & Sexton Architects, Ltd. | Chicago | 541310 Architectural Services | $62.9M |
| Paragon Technology Group Inc. | Scott Air Force Base | 541519 Other Computer Related Services | $62.3M |
| Agile-bot LLC | O Fallon | 541513 Computer Facilities Management Services | $62.1M |
| Mccain Foods USA, Inc. | Oakbrook Terrace | 311411 Frozen Fruit, Juice, and Vegetable… | $61.7M |
| Blinderman Construction Co. Inc. | Chicago | 236220 Commercial and Institutional Building… | $61.3M |
| The Young Center For Immigrant Childrens Rights | Chicago | 624110 Child and Youth Services | $60.8M |
| Innovative Support Solutions, Inc. | Elmhurst | 238220 Plumbing, Heating, and Air-Conditioning… | $60.6M |
| Datix (usa) Inc. | Chicago | 518210 Computing Infrastructure Providers… | $59.8M |
| Walsh Puerto Rico, LLC | Chicago | 236220 Commercial and Institutional Building… | $59M |
| BGRS Relocation Inc. | Oakbrook Terrace | 531390 Other Activities Related to Real Estate | $58.9M |
| C5T Corporation | Scott Air Force Base | 541512 Computer Systems Design Services | $58.6M |
| Mccrone Associates Inc. | Westmont | 541380 Testing Laboratories and Services | $58.6M |
| Reliance Relocation Services, Inc. | Chicago | 531390 Other Activities Related to Real Estate | $58.3M |
| MPC Products Corporation | Niles | 336413 Other Aircraft Parts and Auxiliary… | $58.1M |
| Controlled F.o.r.c.e Inc. | Batavia | 611699 All Other Miscellaneous Schools… | $57.6M |
| Sievert Electric Service And Sales Company | Forest Park | 333923 Overhead Traveling Crane, Hoist… | $56M |
| Smith Hafeli Inc. | Marion | 236220 Commercial and Institutional Building… | $55.2M |
| Essex Electro Engineers Inc. | Schaumburg | 335312 Motor and Generator Manufacturing | $54.9M |
| Northwestern University | Evanston | 611310 Colleges, Universities… | $54M |
| Walsh Gilbane JV | Chicago | 236220 Commercial and Institutional Building… | $53.7M |
| United Airlines, Inc. | Chicago | 481111 Scheduled Passenger Air Transportation | $51.9M |
| The Salvation Army | Chicago | 623990 Other Residential Care Facilities | $51.6M |
| Blue Yonder Inc. | Naperville | 236220 Commercial and Institutional Building… | $51M |
| Wilson Perumal & Company, LLC | Chicago | 541611 Administrative Management and General… | $49.2M |
| Huron Consulting Services LLC | Chicago | 541611 Administrative Management and General… | $48.4M |
| Direct Steel LLC | Crystal Lake | 236220 Commercial and Institutional Building… | $48.3M |
| Geo Bancroft Engineering LLC | Mount Prospect | 541310 Architectural Services | $47.4M |
| Federal Specialized Services, LLC | Chicago | 541990 All Other Professional, Scientific… | $46.9M |
| Hamilton Sundstrand Corporation | Rockford | 336412 Aircraft Engine and Engine Parts… | $46.7M |
| Arjo Inc. | Hoffman Estates | 339112 Surgical and Medical Instrument… | $46.6M |
| Accel Construction Services Group, LLC | Chicago | 236220 Commercial and Institutional Building… | $46.5M |
| Gale Construction Company Of Illinois | Joliet | 237990 Other Heavy and Civil Engineering… | $45.5M |
| Blue Pacific JV LLC | Naperville | 236220 Commercial and Institutional Building… | $44.8M |
| Microlink Devices Inc. | Niles | 334413 Semiconductor and Related Device… | $43.1M |
| Invisio Communications Inc. | Chicago | 334290 Other Communications Equipment… | $42.9M |
| Ada S. Mckinley Community Services, Inc. | Chicago | 561210 Facilities Support Services | $42.2M |
| DMG Mori Federal Services, Inc. | Hoffman Estates | 811310 Commercial and Industrial Machinery… | $41.6M |
| Cf Industries Nitrogen LLC | Deerfield | 325311 Nitrogenous Fertilizer Manufacturing | $41.3M |
| Steel Founders Society Of America | Crystal Lake | 813920 Professional Organizations | $38.4M |
| Koi Computers, Inc. | Downers Grove | 334111 Electronic Computer Manufacturing | $38.2M |
| Ardl Inc. | Mount Vernon | 541620 Environmental Consulting Services | $37.7M |
| Cavanaugh Government Group, LLC | Naperville | 423710 Hardware Merchant Wholesalers | $37.6M |
| DMS Contracting Inc. | Mascoutah | 237310 Highway, Street, and Bridge Construction | $36.8M |
| J & B Builders Inc. | Saint Charles | 236220 Commercial and Institutional Building… | $36.2M |
| Data Comm For Business Inc. | Dewey | 334210 Telephone Apparatus Manufacturing | $36M |
| Architectural Consulting Group Of Chicago Inc. | Waukegan | 237990 Other Heavy and Civil Engineering… | $35.7M |
| Fm Mccarthy, LLC | Chicago | 237310 Highway, Street, and Bridge Construction | $35.6M |
| Pernix Group, Inc. | Lombard | 236220 Commercial and Institutional Building… | $34M |
| Modesto Management LLC | Oak Park | 561210 Facilities Support Services | $33.9M |
| Ostrom Painting & Sandblasting, Inc. | Rock Island | 238320 Painting and Wall Covering Contractors | $33.5M |
| Motor Coach Industries, Inc. | Des Plaines | 336120 Heavy Duty Truck Manufacturing | $33.5M |
| The Bioteam, LLC | Aurora | 541512 Computer Systems Design Services | $33.5M |
| Heidrick & Struggles International Inc. | Chicago | 561312 Executive Search Services | $33.3M |
| Questek Innovations LLC | Evanston | 541715 Research and Development… | $32.5M |
| Industria Inc. | Des Plaines | 236220 Commercial and Institutional Building… | $32M |
| Daniel J Edelman Inc. | Chicago | 541820 Public Relations Agencies | $31.1M |
| Win Win Aviation, Inc. | Dekalb | 481219 Other Nonscheduled Air Transportation | $31M |
| The Ross Agency, Inc. | Springfield | 561611 Investigation and Personal Background… | $30.8M |
| Leydig, Voit & Mayer, Ltd. | Chicago | 541110 Offices of Lawyers | $30.3M |
| Gift Of Hope Organ & Tissue Donor Network | Itasca | 621991 Blood and Organ Banks | $30.2M |
| Spendsmart Group LLC | Park Ridge | 423840 Industrial Supplies Merchant Wholesalers | $30.1M |
| Phigenics LLC | Warrenville | 561210 Facilities Support Services | $29.6M |
| Ge Aviation Systems LLC | Loves Park | 336413 Other Aircraft Parts and Auxiliary… | $28.7M |
| Department Of Public Health Illinois | Springfield | 923120 Administration of Public Health Programs | $28.3M |
| Tetra Tech, Inc. | Collinsville | 213112 Support Activities for Oil and Gas… | $28.3M |
| Convergint Technologies LLC | Hoffman Estates | 561621 Security Systems Services (except… | $27.8M |
| Smith Hafeli-poettker Joint Venture, LLC | Marion | 236220 Commercial and Institutional Building… | $27.6M |
| Joseph J Henderson & Son Inc. | Gurnee | 236115 New Single-Family Housing Construction… | $27.5M |
| Prairie Farms Dairy Inc. | Edwardsville | 311511 Fluid Milk Manufacturing | $27.5M |
| Legacy Corporation Of Il | East Moline | 237990 Other Heavy and Civil Engineering… | $27.3M |
| Underwriters Laboratories Inc. | Evanston | 541715 Research and Development… | $27.1M |
| Nielsen Consumer LLC | Chicago | 541910 Marketing Research and Public Opinion… | $26.7M |
| Osi Industries, LLC | Aurora | 311991 Perishable Prepared Food Manufacturing | $26.3M |
| University Of Illinois | Chicago | 611310 Colleges, Universities… | $26.2M |
| 5600 Fishers Lane LLC | Chicago | 531120 Lessors of Nonresidential Buildings… | $25.6M |
| Prenosis, Inc. | Chicago | 541714 Research and Development… | $25.1M |
| Proalliance Corp. | Harvard | 339114 Dental Equipment and Supplies… | $24.9M |
| Litteken Construction Company, LLC | Breese | 236220 Commercial and Institutional Building… | $24.8M |
| Collins Engineers, Incorporated | Chicago | 541330 Engineering Services | $24.8M |
| Argentum Medical, LLC | Geneva | 339113 Surgical Appliance and Supplies… | $24.5M |
| Amalgamated Services, Inc. | Frankfort | 561210 Facilities Support Services | $24.3M |
| A. Finkl & Sons Co. | Chicago | 332111 Iron and Steel Forging | $24.3M |
| Pietro Carnaghi USA Inc. | Rockford | 333517 Machine Tool Manufacturing | $24.3M |
| Aldridge Electric Inc. | Libertyville | 238210 Electrical Contractors and Other Wiring… | $23.8M |
| Pacific Construction Services LLC | Chicago | 236220 Commercial and Institutional Building… | $23.3M |
| Ruby Robinson Company, LLC | Buffalo Grove | 424480 Fresh Fruit and Vegetable Merchant… | $22.9M |
| Marcia K Beckwith Inc. | Fairview Heights | 236220 Commercial and Institutional Building… | $22.8M |
| Nalco Company LLC | Naperville | 325998 All Other Miscellaneous Chemical… | $22.8M |
| J & N Marketing, Inc. | Mokena | 541613 Marketing Consulting Services | $22.6M |
| Hanson Professional Services, Inc. | Springfield | 541330 Engineering Services | $21.8M |
| Raco Steel Co. | Harvey | 423510 Metal Service Centers and Other Metal… | $21.6M |
| Iit Research Institute | Chicago | 541715 Research and Development… | $21.4M |