Companies headquartered in Illinois, by prime awards since FY2021
Rows 3,601–3,700 of 5,696, largest first
| Company | City | Primary industry (NAICS) | Prime awards since FY2021 |
|---|---|---|---|
| Cj Logistics America, LLC | Des Plaines | 493110 General Warehousing and Storage | $0 |
| Clarity Central, Inc. | Highland Park | 611430 Professional and Management Development… | $0 |
| Clarke Environmental Mosquito Management, Inc. | St. Charles | 561710 Exterminating and Pest Control Services | $0 |
| Clark Street Apartments | Chicago | $0 | |
| Clark Wire & Cable Co. Inc. | Mundelein | 335921 Fiber Optic Cable Manufacturing | $0 |
| Clayco Inc. | Chicago | 236220 Commercial and Institutional Building… | $0 |
| Clayton Residential Home Inc. | Chicago | 623220 Residential Mental Health and Substance… | $0 |
| Clean Air Engineering Inc. | Palatine | 541990 All Other Professional, Scientific… | Subcontractor |
| Clean Cut Tree Service, Inc. | Grayslake | 115310 Support Activities for Forestry | $0 |
| Cleco Industrial Fasteners Company, Inc. | Harvey | 332722 Bolt, Nut, Screw, Rivet, and Washer… | $0 |
| Clennon Electric, Inc. | Wilmington | 238210 Electrical Contractors and Other Wiring… | $0 |
| Cleveland-cliffs Steel LLC | Chicago | 331110 Iron and Steel Mills and Ferroalloy… | Subcontractor |
| Cliburn And Associates, LLC | Springfield | 541715 Research and Development… | $0 |
| Clifford-jacobs Forging Company | Champaign | 332111 Iron and Steel Forging | Subcontractor |
| Clinkenbeard & Associates Inc. | South Beloit | 332710 Machine Shops | Subcontractor |
| Clinton Auto Auction, Inc. | Clinton | 423110 Automobile and Other Motor Vehicle… | $0 |
| Clinton County Electric Cooperative, Inc. | Breese | 221122 Electric Power Distribution | $0 |
| Clinton Electric Inc. | Bonnie | 238210 Electrical Contractors and Other Wiring… | Subcontractor |
| Cloudbyz Inc. | Naperville | Subcontractor | |
| Clune Construction Company, L.P. | Chicago | 236220 Commercial and Institutional Building… | Subcontractor |
| CMC Electronics Aurora LLC | Sugar Grove | 334511 Search, Detection, Navigation… | Subcontractor |
| CMMS Data Group, Inc. | Chicago | 513210 Software Publishers | $0 |
| CNC Foundations, Inc. | Caseyville | 236220 Commercial and Institutional Building… | Subcontractor |
| Cni THL Ops LLC | Forsyth | 721110 Hotels (except Casino Hotels) and Motels | $0 |
| Coalfire Systems, Inc. | Chicago | 541690 Other Scientific and Technical… | Subcontractor |
| Coast Guard Auxiliary Association Inc. | Granite City | $0 | |
| Cobalt Digital, Inc. | Champaign | 334220 Radio and Television Broadcasting… | Subcontractor |
| Cogniplex Inc. | Glen Ellyn | 541611 Administrative Management and General… | $0 |
| Cognitek Management Systems Inc. | Glenview | 541715 Research and Development… | $0 |
| Cohesive Flexible Technologies Corp. | Chicago | 513210 Software Publishers | Subcontractor |
| Coilcraft Inc. | Cary | 334416 Capacitor, Resistor, Coil, Transformer… | Subcontractor |
| Cole's Auto Body Inc. | Villa Park | 811111 General Automotive Repair | $0 |
| Collaborative For Academic, Social, And Emotional Learning (casel) | Chicago | 611710 Educational Support Services | Subcontractor |
| Color Communications, LLC | Chicago | 339999 All Other Miscellaneous Manufacturing | $0 |
| Colson Group Holdings, LLC | Oakbrook Terrace | 332510 Hardware Manufacturing | $0 |
| Columbia College Chicago | Chicago | $0 | |
| Com2 Computers And Technologies, LLC | Carol Stream | 562920 Materials Recovery Facilities | $0 |
| Comap, LLC | Roscoe | 423610 Electrical Apparatus and Equipment… | Subcontractor |
| Combined Metals Company, LLC | Elgin | 331491 Nonferrous Metal (except Copper… | $0 |
| Commercial Specialties, Inc. | Rolling Meadows | 238390 Other Building Finishing Contractors | Subcontractor |
| Commercial Transport, Inc. | Belleville | 484110 General Freight Trucking, Local | $0 |
| Commissioning Team LLC | Arlington Heights | 541330 Engineering Services | Subcontractor |
| Commission On Rehabilitation Counselor Certification | Schaumburg | 813920 Professional Organizations | $0 |
| Commonspirit Health | Chicago | Subcontractor | |
| Community College District 533 | Harrisburg | 611310 Colleges, Universities… | $0 |
| Community Health & Emergency Services Inc. | Carbondale | 621498 All Other Outpatient Care Centers | $0 |
| Comperemedia Inc. | Chicago | 541910 Marketing Research and Public Opinion… | $0 |
| Competiscan LLC | Chicago | $0 | |
| Components Express, LLC | Woodridge | Subcontractor | |
| Composite Cutter Technology Inc. | Wauconda | 332710 Machine Shops | $0 |
| Composites One LLC. | Schaumburg | 424610 Plastics Materials and Basic Forms… | Subcontractor |
| Comptia Certifications LLC | Downers Grove | 813910 Business Associations | $0 |
| Computer Brain Inc. | Lincolnwood | 423430 Computer and Computer Peripheral… | $0 |
| Computerized Fleet Analysis, Inc. | Addison | $0 | |
| Computers-typewriters Inc. | Belleville | 541512 Computer Systems Design Services | $0 |
| Computhink Inc. | Lombard | 513210 Software Publishers | $0 |
| Concord Excavating Enterprises Inc. | Homer Glen | 237990 Other Heavy and Civil Engineering… | Subcontractor |
| Concordia University | River Forest | $0 | |
| Cones Repair Service Inc. | Moline | 811310 Commercial and Industrial Machinery… | $0 |
| Conference & Publication Services LLC | Chicago | 561920 Convention and Trade Show Organizers | Subcontractor |
| Connor Winfield Corp. | Aurora | 334419 Other Electronic Component Manufacturing | $0 |
| Consolidated Communications Of Florida Company, LLC | Mattoon | 517111 Wired Telecommunications Carriers | $0 |
| Consolidated Communications Of Kansas Company, LLC | Mattoon | $0 | |
| Consolidated Communications Of Minnesota Company, LLC | Mattoon | $0 | |
| Consolidated Communications Of Pennsylvania Company LLC | Mattoon | $0 | |
| Consolidated Hospitality Supplies, LLC | Vernon Hills | 423850 Service Establishment Equipment… | Subcontractor |
| Construction-cad Solutions, Incorporated | Burr Ridge | 541330 Engineering Services | $0 |
| Consultigence Corporation | South Barrington | 541512 Computer Systems Design Services | Subcontractor |
| Contemporary Control Systems Inc. | Downers Grove | 334512 Automatic Environmental Control… | $0 |
| Continental Casualty Company | Chicago | 524126 Direct Property and Casualty Insurance… | $0 |
| Continental Electrical Construction Company LLC | Oak Brook | 238210 Electrical Contractors and Other Wiring… | Subcontractor |
| Controlled Environment Testing & Balancing Co. Inc. | Barrington | 423730 Warm Air Heating and Air-Conditioning… | $0 |
| Contruent LLC | Naperville | Subcontractor | |
| Coogee Magnesium LLC | Ottawa | 331410 Nonferrous Metal (except Aluminum)… | Subcontractor |
| Cook CountyChicago, IL · UEI T95LE61PJEY1 | Chicago | 922140 Correctional Institutions | $0 |
| Cook CountyChicago, IL · UEI ZRMGKPNJQGK5 | Chicago | $0 | |
| Cope Plastics Inc. | Alton | 332710 Machine Shops | Subcontractor |
| Cord Moving And Storage Company | Belleville | 484210 Used Household and Office Goods Moving | $0 |
| Core Construction Services Of Illinois Inc. | Peoria | 236220 Commercial and Institutional Building… | $0 |
| Corn Belt Energy Corporation | Bloomington | $0 | |
| Cornell Forge Company | Chicago | 332111 Iron and Steel Forging | Subcontractor |
| Corrigan Corporation Of America | Gurnee | 221310 Water Supply and Irrigation Systems | $0 |
| Council For Jewish Elderly | Chicago | 624190 Other Individual and Family Services | $0 |
| Counter Craft Inc. | Waukegan | $0 | |
| County Of Ford | Paxton | 922120 Police Protection | $0 |
| County Of Kane | Geneva | 921120 Legislative Bodies | $0 |
| County Of KendallYorkville, IL · UEI ES1SZWNDT9N5 | Yorkville | 921110 Executive Offices | $0 |
| County Of KendallYorkville, IL · UEI S3PYA7T4ZN13 | Yorkville | $0 | |
| County Of Knox | Galesburg | 923120 Administration of Public Health Programs | $0 |
| County Of Lake | Waukegan | $0 | |
| County Of Mason | Havana | $0 | |
| County Of PeoriaPeoria, IL · UEI C8NMHTL3KGK4 | Peoria | 922110 Courts | $0 |
| County Of PeoriaPeoria, IL · UEI EZL3KSS6S5L5 | Peoria | 921120 Legislative Bodies | $0 |
| County Of Peoria Peoria Park District | Peoria | $0 | |
| County Of TazewellPekin, IL · UEI C121C5LKZU91 | Pekin | 921120 Legislative Bodies | $0 |
| County Of TazewellTremont, IL · UEI D6GSMCNQ53T3 | Tremont | 923120 Administration of Public Health Programs | $0 |
| County Of Vermilion | Danville | 921190 Other General Government Support | $0 |
| County Of Winnebago | Rockford | $0 | |
| Covista Inc. | Chicago | 611310 Colleges, Universities… | $0 |
| Coyle Mechanical Supply Inc. | Granite City | $0 |