Companies headquartered in Illinois, by prime awards since FY2021
Rows 4,201–4,300 of 5,696, largest first
| Company | City | Primary industry (NAICS) | Prime awards since FY2021 |
|---|---|---|---|
| Id Label Inc. | Lake Villa | 323111 Commercial Printing (except Screen… | $0 |
| Iff | Chicago | $0 | |
| Ihc Construction Companies, L.L.C. | Elgin | 237310 Highway, Street, and Bridge Construction | Subcontractor |
| Ihhp Inc. | Saint Charles | 611430 Professional and Management Development… | $0 |
| Illco Inc. | Aurora | 423730 Warm Air Heating and Air-Conditioning… | $0 |
| Illini Asphalt Corp. | Benton | 237310 Highway, Street, and Bridge Construction | $0 |
| Illinois Alliance Of Boys And Girls Clubs, Inc. | Springfield | $0 | |
| Illinois Assistive Technology Program | Springfield | 624120 Services for the Elderly and Persons… | $0 |
| Illinois Auto Truck Co. Inc. | Des Plaines | 336350 Motor Vehicle Transmission and Power… | $0 |
| Illinois Bone And Joint Institute, LLC | Des Plaines | 621111 Offices of Physicians (except Mental… | $0 |
| Illinois Central College | East Peoria | 923110 Administration of Education Programs | $0 |
| Illinois College | Jacksonville | $0 | |
| Illinois Community College District No 515 | Chicago Heights | $0 | |
| Illinois Criminal Justice Information Authority | Chicago | $0 | |
| Illinois Department Of Corrections | Springfield | $0 | |
| Illinois Department Of Employment Security | Chicago | $0 | |
| Illinois Department Of Healthcare & Family Services | Springfield | 923130 Administration of Human Resource… | $0 |
| Illinois District Council Of The Assemblies Of God | Carlinville | 813110 Religious Organizations | $0 |
| Illinois Eastern Community Colleges District 529 | Olney | 611210 Junior Colleges | $0 |
| Illinois Electric Works, LLC | Granite City | 811310 Commercial and Industrial Machinery… | $0 |
| Illinois Fire Inspectors Association | Mount Prospect | $0 | |
| Illinois Heartland Library System | Edwardsville | 519210 Libraries and Archives | $0 |
| Illinois Institute Of Technology | Chicago | 611310 Colleges, Universities… | Subcontractor |
| Illinois/iowa Center For Independent Living | Rock Island | 813319 Other Social Advocacy Organizations | $0 |
| Illinois Network Of Child Care Resource And Referral Agencies | Bloomington | 541990 All Other Professional, Scientific… | $0 |
| Illinois Oil Marketing Equipment Inc. | Pekin | 238910 Site Preparation Contractors | $0 |
| Illinois Press Association, Inc. | Springfield | 541810 Advertising Agencies | $0 |
| Illinois Primary Health Care Association | Springfield | 813910 Business Associations | $0 |
| Illinois Quad City Civic Center Authority | Moline | 531120 Lessors of Nonresidential Buildings… | $0 |
| Illinois Rural Water Association Inc. | Taylorville | 813920 Professional Organizations | Subcontractor |
| Illinois Science & Technology Coalition | Chicago | Subcontractor | |
| Illinois Tool Works Inc. | Des Plaines | 334419 Other Electronic Component Manufacturing | Subcontractor |
| Illinois Valley Public Telecommunications Corporation | Peoria | $0 | |
| Illinois Valley Surveying And Consultants Inc. | Oglesby | 813920 Professional Organizations | Subcontractor |
| Illinois Wesleyan University | Bloomington | 611710 Educational Support Services | $0 |
| Ilmo Products Co. | Jacksonville | 325120 Industrial Gas Manufacturing | $0 |
| Imada Inc. | Northbrook | 423490 Other Professional Equipment… | $0 |
| Image Systems And Business Solutions LLC | Elk Grove Village | $0 | |
| Imaging Systems Inc. | Itasca | 541512 Computer Systems Design Services | $0 |
| Immigration Project Inc. | Normal | Subcontractor | |
| Immi Vehicle Improvement Products, Inc. | Antioch | 336330 Motor Vehicle Steering and Suspension… | Subcontractor |
| Impact Advisors LLC | Naperville | 541611 Administrative Management and General… | Subcontractor |
| Impact Networking, LLC | Mettawa | 541513 Computer Facilities Management Services | $0 |
| Impact Signs & Graphics, Inc. | La Grange | 339950 Sign Manufacturing | $0 |
| Imperative Logistics LLC | Elk Grove Village | Subcontractor | |
| Imperial Realty Company | Chicago | 531120 Lessors of Nonresidential Buildings… | $0 |
| Imprex International, Inc. | Arlington Heights | 332216 Saw Blade and Handtool Manufacturing | $0 |
| Improving Chicago, LLC | Chicago | 541511 Custom Computer Programming Services | Subcontractor |
| Indeck Power Equipment Co. | Wheeling | 532490 Other Commercial and Industrial… | $0 |
| Independence Health & Therapy | Woodstock | 624120 Services for the Elderly and Persons… | $0 |
| Independent Data Management, Inc. | Effingham | 541511 Custom Computer Programming Services | Subcontractor |
| Independent Forensics Of Illinois, L.L.C. | Lombard | 541690 Other Scientific and Technical… | $0 |
| Independent Telcom Associates Inc. | Louisville | 517810 All Other Telecommunications | $0 |
| Induction Heat Treating Corp. | Crystal Lake | 332811 Metal Heat Treating | $0 |
| Industrial Kinetics Inc. | Downers Grove | 333922 Conveyor and Conveying Equipment… | $0 |
| Industrial Motor Repair, LLC | Alton | 811310 Commercial and Industrial Machinery… | $0 |
| Industry Rollers LLC | Smithton | 326299 All Other Rubber Product Manufacturing | Subcontractor |
| Infotech Global Audit & Security Inc. | Orland Park | 611430 Professional and Management Development… | $0 |
| Infrastructure Defense Technologies LLC | Belvidere | 332322 Sheet Metal Work Manufacturing | Subcontractor |
| Ingalls Memorial Hospital | Harvey | 622110 General Medical and Surgical Hospitals | Subcontractor |
| Ingenium Aerospace LLC | Rockford | 336413 Other Aircraft Parts and Auxiliary… | Subcontractor |
| Inigo Manglano Ovalle | Evanston | 711510 Independent Artists, Writers… | $0 |
| Inman Electric Motors Inc. | La Salle | 811310 Commercial and Industrial Machinery… | $0 |
| Innerspace Environmental Assessment Inc. | Elburn | $0 | |
| Innovate Technologies Inc. | Saint Charles | 423830 Industrial Machinery and Equipment… | $0 |
| Innovative Construction Management Services, Inc. | Alton | 561210 Facilities Support Services | $0 |
| Innovative Vision Products Inc. | Naperville | 456130 Optical Goods Retailers | $0 |
| Innovative Werks Inc. | Naperville | 541330 Engineering Services | Subcontractor |
| Inplex Custom Extruders LLC | Naperville | 326220 Rubber and Plastics Hoses and Belting… | Subcontractor |
| Inpro/seal LLC | Rock Island | 332999 All Other Miscellaneous Fabricated… | Subcontractor |
| Inspiration Corporation Chicago | Chicago | $0 | |
| In-step Mobility Products Inc. | Skokie | 339113 Surgical Appliance and Supplies… | $0 |
| Institute For The International Education Of Students | Chicago | 611710 Educational Support Services | $0 |
| Institute For Work & The Economy, A Not-for-profit Corporation | Chicago | 541720 Research and Development in the Social… | $0 |
| Institute Of Environmental Sciences And Technology | Schaumburg | 813920 Professional Organizations | $0 |
| Institute Of Real Estate Management Of The National Association Of Realtors | Chicago | $0 | |
| Intech Innovations | East Peoria | 541512 Computer Systems Design Services | $0 |
| Integrated Design & Supply Inc. | Crystal Lake | 423610 Electrical Apparatus and Equipment… | $0 |
| Integrated Solutions Consulting, Corporation | Edwardsville | 541611 Administrative Management and General… | Subcontractor |
| Integrify Inc. | Chicago | 513210 Software Publishers | Subcontractor |
| Integris Group, LLC | Peoria | 333998 All Other Miscellaneous General Purpose… | $0 |
| Integrity Developers Inc. | Waukegan | 236220 Commercial and Institutional Building… | $0 |
| Intellihot Inc. | Galesburg | 333414 Heating Equipment (except Warm Air… | $0 |
| Interaction Institute | Chicago | 541611 Administrative Management and General… | $0 |
| International Bank Of Chicago | Chicago | $0 | |
| International College Of Surgeons | Chicago | 813920 Professional Organizations | $0 |
| International Computer Concepts Inc. | Northbrook | 334111 Electronic Computer Manufacturing | Subcontractor |
| International Equipment Trading Ltd. | Mundelein | 459510 Used Merchandise Retailers | Subcontractor |
| International Typewriter Exchange Inc. | Addison | 423420 Office Equipment Merchant Wholesalers | $0 |
| International Visitors Center Of Chicago | Chicago | 611710 Educational Support Services | Subcontractor |
| Interprenet, Ltd. | Oak Park | 541930 Translation and Interpretation Services | Subcontractor |
| Intren, LLC | Union | 237130 Power and Communication Line… | Subcontractor |
| I Port Communications Inc. | Hoffman Estates | 334220 Radio and Television Broadcasting… | $0 |
| Iroquois Title Co. | Watseka | 813910 Business Associations | $0 |
| Isovac Products LLC | Romeoville | 339113 Surgical Appliance and Supplies… | $0 |
| Iterna, LLC | Bolingbrook | 335910 Battery Manufacturing | Subcontractor |
| Jackson County Abstract & Title Guarantee Company | Murphysboro | 541191 Title Abstract and Settlement Offices | $0 |
| Jackson-hirsh Inc. | Northbrook | $0 | |
| Jackson Marking Products Company, Inc. | Mount Vernon | 339940 Office Supplies (except Paper)… | $0 |
| Jacob & Hefner Associates Inc. | Downers Grove | 562910 Remediation Services | Subcontractor |