Companies headquartered in Illinois, by prime awards since FY2021
Rows 3,501–3,600 of 5,696, largest first
| Company | City | Primary industry (NAICS) | Prime awards since FY2021 |
|---|---|---|---|
| Catalytic Products International Inc. | Lake Zurich | 333413 Industrial and Commercial Fan… | $0 |
| Cater 2 All Inc. | Glen Ellyn | 722310 Food Service Contractors | $0 |
| Cater Chemical Corp. | Roselle | 325180 Other Basic Inorganic Chemical… | Subcontractor |
| Cathodic Protection Management, Inc. | Elburn | 238190 Other Foundation, Structure… | Subcontractor |
| Catholic Charities Of The Archdiocese Of Chicago | Chicago | 624190 Other Individual and Family Services | $0 |
| Cat-i Manufacturing Inc. | South Elgin | 327215 Glass Product Manufacturing Made… | Subcontractor |
| Cbi Services, LLC | Plainfield | 237120 Oil and Gas Pipeline and Related… | Subcontractor |
| Ccim Institute | Chicago | 611430 Professional and Management Development… | $0 |
| C & C Power Inc. | Carol Stream | 335311 Power, Distribution, and Specialty… | $0 |
| CCS International, Inc. | Oakbrook Terrace | 541990 All Other Professional, Scientific… | Subcontractor |
| C.D.S. Office Systems Incorporated | Springfield | 532420 Office Machinery and Equipment Rental… | $0 |
| Celenium Corp. | Naperville | 541512 Computer Systems Design Services | $0 |
| Cell Biologics, Inc. | Chicago | 541714 Research and Development… | $0 |
| Centennial Contractors Of The Quad Cities, Inc. | Moline | 236220 Commercial and Institutional Building… | $0 |
| Center For Computational Science Research, Inc. | Chicago | 541519 Other Computer Related Services | Subcontractor |
| Center For Conflict Resolution | Chicago | 624190 Other Individual and Family Services | $0 |
| Center For Family Services | Joliet | Subcontractor | |
| Center For Neighborhood Technology | Chicago | 541611 Administrative Management and General… | Subcontractor |
| Center For Sight & Hearing | Rockford | $0 | |
| Center On Halsted | Chicago | 813410 Civic and Social Organizations | Subcontractor |
| Centerpoint Properties Trust | Oak Brook | Subcontractor | |
| Centerstone Of Illinois, Inc. | West Frankfort | 624190 Other Individual and Family Services | $0 |
| Central Illinois Electrical Services, LLC | Bartonville | 238210 Electrical Contractors and Other Wiring… | $0 |
| Central Illinois Regional Airport Authority | Bloomington | 488119 Other Airport Operations | $0 |
| Centrec Consulting Group, LLC | Savoy | 541618 Other Management Consulting Services | $0 |
| Centurion Container LLC | South Holland | Subcontractor | |
| Century Fasteners & Machine Co. Inc. | Skokie | 332722 Bolt, Nut, Screw, Rivet, and Washer… | $0 |
| Chamberlain University LLC | Chicago | 611310 Colleges, Universities… | $0 |
| Chambers Gasket & Manufacturing Co. | Chicago | 339991 Gasket, Packing, and Sealing Device… | Subcontractor |
| Champaign, City Of | Champaign | $0 | |
| Champaign, County | Urbana | 921190 Other General Government Support | $0 |
| Chapin Hall Center For Children | Chicago | 541720 Research and Development in the Social… | Subcontractor |
| Charles C Thomas Publisher, Ltd. | Springfield | 513130 Book Publishers | $0 |
| Charles E Larson & Sons Inc. | Chicago | 332112 Nonferrous Forging | Subcontractor |
| Chastain & Associates LLC | Decatur | 541330 Engineering Services | Subcontractor |
| Chem Processing Inc. | Rockford | 332813 Electroplating, Plating, Polishing… | $0 |
| Chicago Architecture Foundation | Chicago | 813410 Civic and Social Organizations | $0 |
| Chicago Association For Research & Education In Science | Hines | 541611 Administrative Management and General… | Subcontractor |
| Chicago Boiler Company | Gurnee | 332420 Metal Tank (Heavy Gauge) Manufacturing | $0 |
| Chicago Booth Manufacturing Inc. | Chicago | 337127 Institutional Furniture Manufacturing | $0 |
| Chicago Chemical Distribution, LLC | Chicago | 325998 All Other Miscellaneous Chemical… | $0 |
| Chicago City Of | Chicago | 921140 Executive and Legislative Offices… | $0 |
| Chicago, City Of | Chicago | 624190 Other Individual and Family Services | Subcontractor |
| Chicago Computer Supply, Inc. | Frankfort | 423430 Computer and Computer Peripheral… | $0 |
| Chicago Condenser Corp. Inc. | Wood Dale | 334416 Capacitor, Resistor, Coil, Transformer… | Subcontractor |
| Chicago Dental Society | Chicago | $0 | |
| Chicago Department Of Public Health | Chicago | $0 | |
| Chicago Dial Indicator Co. | Des Plaines | $0 | |
| Chicago Doorways LLC | Elmhurst | 332321 Metal Window and Door Manufacturing | $0 |
| Chicago Dryer Co. | Chicago | 333248 All Other Industrial Machinery… | $0 |
| Chicago Green Office Co. | Burr Ridge | 455219 All Other General Merchandise Retailers | $0 |
| Chicago Housing Authority | Chicago | 925110 Administration of Housing Programs | $0 |
| Chicago Jack Service, Inc. | Alsip | 423840 Industrial Supplies Merchant Wholesalers | $0 |
| Chicagoland Chamber Of Commerce | Chicago | $0 | |
| Chicago Loop Alliance | Chicago | $0 | |
| Chicago Magnesium Casting Co. | Blue Island | 331524 Aluminum Foundries (except Die-Casting) | Subcontractor |
| Chicago Metal Fabricators Inc. | Chicago | 332313 Plate Work Manufacturing | Subcontractor |
| Chicago Metal Rolled Products Company | Chicago | 332999 All Other Miscellaneous Fabricated… | Subcontractor |
| Chicago Motor Coach Inc. | Northbrook | 485510 Charter Bus Industry | $0 |
| Chicago Nut & Bolt, Inc. | East Dundee | 332722 Bolt, Nut, Screw, Rivet, and Washer… | $0 |
| Chicago Park District | Chicago | 561730 Landscaping Services | $0 |
| Chicago Pests LLC | Park Forest | 561710 Exterminating and Pest Control Services | $0 |
| Chicago Precision Inc. | Elk Grove Village | 336412 Aircraft Engine and Engine Parts… | Subcontractor |
| Chicago State University | Chicago | 611310 Colleges, Universities… | Subcontractor |
| Chicago Transit Authority | Chicago | $0 | |
| Chicago Tube & Iron Co. | Romeoville | 423510 Metal Service Centers and Other Metal… | Subcontractor |
| Children's Home & Aid Society Of Illinois | Chicago | Subcontractor | |
| Children's Legal Center | Chicago | 541110 Offices of Lawyers | Subcontractor |
| Children's Research Triangle | Chicago | 621330 Offices of Mental Health Practitioners… | $0 |
| Chinese American Service League, Inc. | Chicago | 624190 Other Individual and Family Services | $0 |
| Christ Bros. Asphalt, Inc. | Lebanon | 237310 Highway, Street, and Bridge Construction | $0 |
| Chrysalis Anaplastology & Ocularistry Inc. | Lake Zurich | 621999 All Other Miscellaneous Ambulatory… | $0 |
| Cic Corp. | Wauconda | 238160 Roofing Contractors | $0 |
| Cicero MFG. & Supply Co. Inc. | Glenview | 423840 Industrial Supplies Merchant Wholesalers | $0 |
| C Ideas Inc. | Crystal Lake | 339999 All Other Miscellaneous Manufacturing | Subcontractor |
| Cinch Connectivity Solutions Inc. | Lombard | 334417 Electronic Connector Manufacturing | Subcontractor |
| Citizenprime LLC | Mokena | $0 | |
| City Of Belleville | Belleville | $0 | |
| City Of Carbondale | Carbondale | $0 | |
| City Of Cartersville | Carterville | 921190 Other General Government Support | $0 |
| City Of Chicago | Chicago | 921110 Executive Offices | $0 |
| City Of Chicago Department Of Environment | Chicago | 813312 Environment, Conservation and Wildlife… | $0 |
| City Of Effingham | Effingham | $0 | |
| City Of Elgin | Elgin | $0 | |
| City Of Evanston | Evanston | $0 | |
| City Of Galesburg | Galesburg | 921110 Executive Offices | $0 |
| City Of Highwood | Highwood | $0 | |
| City Of Marion | Marion | 221310 Water Supply and Irrigation Systems | $0 |
| City Of Marshall | Marshall | 926130 Regulation and Administration… | $0 |
| City Of Moline | Moline | 238990 All Other Specialty Trade Contractors | $0 |
| City Of Mt Vernon | Mount Vernon | $0 | |
| City Of Paris | Paris | $0 | |
| City Of Pekin | Pekin | $0 | |
| City Of Peru | Peru | 921190 Other General Government Support | $0 |
| City Of Rockford | Rockford | $0 | |
| City Of Savanna | Savanna | $0 | |
| City Of Springfield | Springfield | 221112 Fossil Fuel Electric Power Generation | $0 |
| City Of St Charles | Saint Charles | $0 | |
| City Of Sullivan | Sullivan | $0 | |
| City Of Urbana | Urbana | 624229 Other Community Housing Services | $0 |