Companies headquartered in Illinois, by prime awards since FY2021
Rows 4,301–4,400 of 5,696, largest first
| Company | City | Primary industry (NAICS) | Prime awards since FY2021 |
|---|---|---|---|
| Jacobs Engineering Group Inc. | Chicago | 541330 Engineering Services | $0 |
| Jaidinger MFG Co. Inc. | Chicago | 423690 Other Electronic Parts and Equipment… | $0 |
| James Coleman Company | Rolling Meadows | $0 | |
| James Mchugh Construction Co. | Chicago | 236116 New Multifamily Housing Construction… | $0 |
| James M Davidson | Lemont | 561611 Investigation and Personal Background… | $0 |
| Jandrik & Lukas America LLC | Lake Zurich | 423840 Industrial Supplies Merchant Wholesalers | Subcontractor |
| Jatco Enterprises Inc. | Barrington | 484121 General Freight Trucking… | $0 |
| JBH Technologies, Inc. | Glenview | 611310 Colleges, Universities… | $0 |
| JDHQ Holding LP | East Peoria | 721110 Hotels (except Casino Hotels) and Motels | $0 |
| Jeanne Vonhof | Chicago | 541110 Offices of Lawyers | $0 |
| Jean's Septic, Inc. | Monee | 562991 Septic Tank and Related Services | $0 |
| Jerhen Industries Inc. | Rockford | 333517 Machine Tool Manufacturing | $0 |
| Jeron Electronic Systems, Inc. | Niles | 334290 Other Communications Equipment… | $0 |
| Jerrold S Fina Inc. | Glen Ellyn | 423450 Medical, Dental, and Hospital Equipment… | $0 |
| Jessup Manufacturing Company | Mchenry | 325510 Paint and Coating Manufacturing | $0 |
| Jet Air Inc. | Galesburg | 481212 Nonscheduled Chartered Freight Air… | $0 |
| Jet International Co. LLC | Northbrook | 423860 Transportation Equipment and Supplies… | $0 |
| Jewish Federation Of Metro Chicago | Chicago | $0 | |
| J & J Rail Sales Inc. | Rochelle | $0 | |
| JJS Global Ventures Inc. | Naperville | 541380 Testing Laboratories and Services | $0 |
| J.l. Brady Co. LLC | Moline | 238220 Plumbing, Heating, and Air-Conditioning… | Subcontractor |
| JLW Instruments, Inc. | Chicago | 811210 Electronic and Precision Equipment… | $0 |
| Joanna Gould | Hinsdale | 541990 All Other Professional, Scientific… | $0 |
| Jo-carroll Depot Lra | Savanna | 926110 Administration of General Economic… | $0 |
| John B. Sanfilippo & Son, Inc. | Elgin | 311911 Roasted Nuts and Peanut Butter… | $0 |
| Johnco Construction, Inc. | Mackinaw | 236220 Commercial and Institutional Building… | $0 |
| John Deere Construction & Forestry Company | Moline | 333120 Construction Machinery Manufacturing | $0 |
| John Sakash Company, Inc. | Elmhurst | 332618 Other Fabricated Wire Product… | $0 |
| Johnson Lasky Kindelin Architects, Inc. | Chicago | 541310 Architectural Services | $0 |
| Johnson Mechanical Service, Inc. | Pekin | 423740 Refrigeration Equipment and Supplies… | $0 |
| Johnson Service Group, Inc. | Westmont | 561311 Employment Placement Agencies | Subcontractor |
| Johnston, Craig S | Evanston | 624310 Vocational Rehabilitation Services | $0 |
| Joiner Sheet Metal & Roofing, Inc. | Highland | 238160 Roofing Contractors | Subcontractor |
| Joint Review Committee On Education In Radiologic Technology | Chicago | $0 | |
| Joliet Junior College | Joliet | 923110 Administration of Education Programs | $0 |
| Joliet Metallurgical Laboratories, Incorporated | Joliet | 541380 Testing Laboratories and Services | Subcontractor |
| Jones Environmental Control Inc. | Mokena | 238220 Plumbing, Heating, and Air-Conditioning… | $0 |
| JP6 Enterprise Handy Man Services, LLC | Chicago | 238350 Finish Carpentry Contractors | $0 |
| JQL Technologies Corp. | Mundelein | 334419 Other Electronic Component Manufacturing | Subcontractor |
| J Squared LLC | Round Lake Park | 541511 Custom Computer Programming Services | Subcontractor |
| Jssi Parts, LLC | Chicago | 488190 Other Support Activities for Air… | Subcontractor |
| J. Stephen Dolan, Inc. | Glen Carbon | 624310 Vocational Rehabilitation Services | $0 |
| J.t. Blankinship, Inc. | Murphysboro | 541330 Engineering Services | $0 |
| JTM Concepts Inc. | Rock Island | 561410 Document Preparation Services | $0 |
| Julian Electrical Service & Engineering Inc. | Homer Glen | 336320 Motor Vehicle Electrical and Electronic… | Subcontractor |
| June R R Nichols Ocularist Ltd. | Des Plaines | 339115 Ophthalmic Goods Manufacturing | $0 |
| Justin Blair & Co. | Chicago | 424340 Footwear Merchant Wholesalers | $0 |
| Just In Time Medical Products, Inc. | Blue Island | 423450 Medical, Dental, and Hospital Equipment… | $0 |
| Jw Summy Contracting Corp. | Kewanee | 236118 Residential Remodelers | $0 |
| Kabbes Engineering Inc. | Barrington | 541330 Engineering Services | Subcontractor |
| Kadon Aerospace LLC | Rockford | 332710 Machine Shops | Subcontractor |
| Kam Isaiah Israel Congregation | Chicago | 813110 Religious Organizations | $0 |
| Kankakee Urgent Care Sc | Kankakee | 621111 Offices of Physicians (except Mental… | $0 |
| Kartemquin Educational Films | Chicago | $0 | |
| Kaskaskia-terracon JV | Belleville | 541330 Engineering Services | Subcontractor |
| Kaskaskia Tool And Machine, Inc. | New Athens | 332710 Machine Shops | Subcontractor |
| Katten Muchin Rosenman LLP | Chicago | 541110 Offices of Lawyers | $0 |
| KCCDD Inc. | Galesburg | 624310 Vocational Rehabilitation Services | $0 |
| Keanetech LLC | Champaign | 541715 Research and Development… | $0 |
| Keats Manufacturing Co. | Wheeling | 332999 All Other Miscellaneous Fabricated… | Subcontractor |
| Kehrer Brothers West Roofing, Inc. | Albers | 238160 Roofing Contractors | Subcontractor |
| Keller North America, Inc. | Chicago | 238110 Poured Concrete Foundation… | Subcontractor |
| Kelley Williamson Company | Rockford | 457110 Gasoline Stations with Convenience… | $0 |
| Kellstrom Commercial Aerospace, Inc. | Roselle | $0 | |
| Kelly Glass Inc. | Peoria | 238150 Glass and Glazing Contractors | $0 |
| Kennedy Partners LLC | St Charles | 561730 Landscaping Services | $0 |
| Kennedy Webster Electric Co. | Downers Grove | 423610 Electrical Apparatus and Equipment… | Subcontractor |
| Kenyon & Associates Architects Inc. | Peoria | 541310 Architectural Services | $0 |
| Kepner Products Co. | Villa Park | 332912 Fluid Power Valve and Hose Fitting… | $0 |
| Kern Precision Inc. | Glendale Heights | 333517 Machine Tool Manufacturing | Subcontractor |
| Kiefer America LLC | Gurnee | 238330 Flooring Contractors | Subcontractor |
| Kiene Diesel Accessories, Inc. | Addison | 332911 Industrial Valve Manufacturing | $0 |
| Kilian Corp. | Mascoutah | 237310 Highway, Street, and Bridge Construction | $0 |
| King-devick Test, Inc. | Oak Brook | 621999 All Other Miscellaneous Ambulatory… | $0 |
| Kinnucan Company | Lake Bluff | 561730 Landscaping Services | Subcontractor |
| Kinseth Hospitality III L.c | Rock Island | 721110 Hotels (except Casino Hotels) and Motels | $0 |
| Kiwi Coders Corp. | Wheeling | 333248 All Other Industrial Machinery… | $0 |
| KKT Chillers, Inc. | Wood Dale | 333415 Air-Conditioning and Warm Air Heating… | $0 |
| Klairmont Investments, L.L.C | Chicago | 531120 Lessors of Nonresidential Buildings… | $0 |
| Klaris, Thomson & Schroeder, Inc. | Waterloo | 541990 All Other Professional, Scientific… | $0 |
| Klingner & Associates PC | Quincy | 541330 Engineering Services | Subcontractor |
| Kloudgen, Inc. | Naperville | 541512 Computer Systems Design Services | Subcontractor |
| Kluber, Inc. | Aurora | 541310 Architectural Services | $0 |
| Knickerbocker Roofing And Paving Co. Inc. | Harvey | 236220 Commercial and Institutional Building… | $0 |
| Knox College | Galesburg | 611310 Colleges, Universities… | $0 |
| Knuth Machine Tools USA Inc. | Lincolnshire | 333517 Machine Tool Manufacturing | $0 |
| Knutson Lee | Melrose Park | 624310 Vocational Rehabilitation Services | $0 |
| Kocour Co. | Chicago | 325998 All Other Miscellaneous Chemical… | $0 |
| Koflo Corporation | Cary | Subcontractor | |
| Kohnen's Concrete Products, Inc. | Germantown | 237110 Water and Sewer Line and Related… | $0 |
| Kohrmann Electric Co. Inc. | Bartelso | 238210 Electrical Contractors and Other Wiring… | $0 |
| Komatsu America Industries LLC | Chicago | 423830 Industrial Machinery and Equipment… | $0 |
| Korte & Luitjohan Contractors Inc. | Highland | 221320 Sewage Treatment Facilities | $0 |
| Kosco Flags & Flagpoles, LLC | Waukegan | 459999 All Other Miscellaneous Retailers | $0 |
| Koval Inc. | Chicago | 312140 Distilleries | $0 |
| Krakenrf Inc. | Long Grove | 334220 Radio and Television Broadcasting… | $0 |
| Kreiling Roofing Co. | Peoria | 238160 Roofing Contractors | $0 |
| Kridayitgroup Inc. | Chicago | 541519 Other Computer Related Services | Subcontractor |
| Krisry International Inc. | Wauconda | 423860 Transportation Equipment and Supplies… | Subcontractor |
| K.r. Miller Contractors, Inc. | Chicago | 236220 Commercial and Institutional Building… | $0 |