Companies headquartered in Illinois, by prime awards since FY2021
Rows 401–500 of 5,696, largest first
| Company | City | Primary industry (NAICS) | Prime awards since FY2021 |
|---|---|---|---|
| Inter-pacific Inc. | Buffalo Grove | 561621 Security Systems Services (except… | $5.84M |
| Chicago Horticultural Society | Glencoe | $5.83M | |
| Chestnut Health Systems Inc. | Bloomington | 541720 Research and Development in the Social… | $5.82M |
| Walter Payton Power Equipment LLC | Riverdale | 423810 Construction and Mining (except Oil… | $5.81M |
| Midwestern University | Downers Grove | 611310 Colleges, Universities… | $5.8M |
| Uk Abrasives Inc. | Northbrook | 327910 Abrasive Product Manufacturing | $5.78M |
| National Association For Healthcare Quality | Chicago | 813920 Professional Organizations | $5.75M |
| Arthur J Gallagher & Co. | Rolling MDWS | 524210 Insurance Agencies and Brokerages | $5.75M |
| Idi Construction LLC | Waukegan | 236220 Commercial and Institutional Building… | $5.71M |
| CVK Enterprises Inc. | Waukegan | 333241 Food Product Machinery Manufacturing | $5.61M |
| Peplow & Bowers LLC | Washington | 561720 Janitorial Services | $5.53M |
| Commonwealth Edison Co. | Chicago | 221122 Electric Power Distribution | $5.42M |
| Department Of Human Rights Illinois | Chicago | 921190 Other General Government Support | $5.39M |
| Safran Electronics & Defense, Avionics USA, LLC | Rockford | 336413 Other Aircraft Parts and Auxiliary… | $5.38M |
| Immunartes, LLC | Chicago | 541714 Research and Development… | $5.36M |
| Applied Thin Films, Inc. | Skokie | 541715 Research and Development… | $5.29M |
| First Cut Produce Inc. | Evanston | 424480 Fresh Fruit and Vegetable Merchant… | $5.27M |
| Butterfield Health Care Inc. | Bolingbrook | 623110 Nursing Care Facilities (Skilled… | $5.26M |
| Silliker, Inc. | Chicago | 541380 Testing Laboratories and Services | $5.24M |
| Prairie-hanson 8a JV | Columbia | 541330 Engineering Services | $5.21M |
| Surmeier & Surmeier, Inc. | Mascoutah | 238910 Site Preparation Contractors | $5.21M |
| Richard Wolf Medical Instruments Corp. | Vernon Hills | 339112 Surgical and Medical Instrument… | $5.19M |
| Super Roco Steel & Tube, Ltd. II | Lombard | 423510 Metal Service Centers and Other Metal… | $5.17M |
| Carus LLC | Peru | 325180 Other Basic Inorganic Chemical… | $5.13M |
| Greater Rockford Auto Auction Inc. | Rockford | 425120 Wholesale Trade Agents and Brokers | $5.12M |
| Enercon Ltd. | Evanston | 541330 Engineering Services | $5.12M |
| Eos Mechanical Inc. | Elmhurst | 236220 Commercial and Institutional Building… | $5.1M |
| Mcdonnell Boehnen Hulbert & Berghoff LLP | Chicago | 541110 Offices of Lawyers | $5.09M |
| Baysinger-bric JV | Marion | 541310 Architectural Services | $5.09M |
| Horizon Therapeutics USA, Inc. | Deerfield | 325412 Pharmaceutical Preparation Manufacturing | $5.06M |
| Carrier Mills Nursing & Rehabilitation Center LLC | Harrisburg | 623110 Nursing Care Facilities (Skilled… | $5.04M |
| Recsolu, Inc. | Chicago | 541511 Custom Computer Programming Services | $5.02M |
| Ballco Manufacturing Company, Inc. | Aurora | 332710 Machine Shops | $5M |
| Episensors Inc. | Bolingbrook | 541715 Research and Development… | $4.99M |
| Pugsley Byrne JV2, LLC | Brighton | 237310 Highway, Street, and Bridge Construction | $4.98M |
| Applied Material Systems Engineering, Inc. | Streamwood | 541715 Research and Development… | $4.95M |
| Stanley Machining & Tool Corp. | Carpentersville | 332710 Machine Shops | $4.95M |
| Charpie Construction Co. Inc. | Chicago | 236220 Commercial and Institutional Building… | $4.95M |
| Business Staffing Of America, Inc. | Addison | 561320 Temporary Help Services | $4.89M |
| The Arc Of The Quad Cities Area | Rock Island | 322211 Corrugated and Solid Fiber Box… | $4.89M |
| BBJ Group LLC | Chicago | 562910 Remediation Services | $4.86M |
| Radco Industries Inc. | Batavia | 324191 Petroleum Lubricating Oil and Grease… | $4.83M |
| Boco Contracting & Construction LLC | Brighton | 561730 Landscaping Services | $4.78M |
| Clark Skilled Nursing Facility, LLC | Skokie | 623110 Nursing Care Facilities (Skilled… | $4.77M |
| Pro Fire And Water Restoration Company | Chicago | 624230 Emergency and Other Relief Services | $4.77M |
| John Crane, Inc. | Morton Grove | 333998 All Other Miscellaneous General Purpose… | $4.73M |
| Del Medical, Inc. | Bloomingdale | 334517 Irradiation Apparatus Manufacturing | $4.73M |
| Global Economics Group, LLC | Chicago | 541611 Administrative Management and General… | $4.71M |
| Richardson Electronics, Ltd. | Lafox | 423690 Other Electronic Parts and Equipment… | $4.71M |
| Medstar Ambulance, Inc. | Sparta | 621910 Ambulance Services | $4.68M |
| Qualisys North America, Inc. | Buffalo Grove | 541990 All Other Professional, Scientific… | $4.66M |
| Civil Constructors, Inc. | Freeport | 237310 Highway, Street, and Bridge Construction | $4.65M |
| Iridescent Sensors Inc. | Champaign | $4.65M | |
| National Maintenance & Repair Inc. | Hartford | 336611 Ship Building and Repairing | $4.65M |
| Olympic Controls Corp. | Bartlett | 335311 Power, Distribution, and Specialty… | $4.64M |
| Fager-mcgee Commercial Construction Inc. | Murphysboro | 236220 Commercial and Institutional Building… | $4.61M |
| Celadyne Technologies, Inc. | Chicago | 325180 Other Basic Inorganic Chemical… | $4.61M |
| Basler Electric Company, LLC | Highland | 335313 Switchgear and Switchboard Apparatus… | $4.6M |
| Sibel Health Inc. | Chicago | 541715 Research and Development… | $4.59M |
| Loyola University Health System | Maywood | 622110 General Medical and Surgical Hospitals | $4.58M |
| Zecoat Corporation | Granite City | 339115 Ophthalmic Goods Manufacturing | $4.56M |
| Engineering Systems Inc. | Aurora | 541330 Engineering Services | $4.53M |
| Dutch Farms Inc. | Chicago | 311511 Fluid Milk Manufacturing | $4.53M |
| Aircraft Propeller Service, LLC | Lake Zurich | 488190 Other Support Activities for Air… | $4.49M |
| Family Guidance Centers, Inc. | Glenview | 621420 Outpatient Mental Health and Substance… | $4.47M |
| Meabco Inc. | Chicago | 621511 Medical Laboratories | $4.38M |
| Amglo Kemlite Laboratories, Inc. | Bensenville | 335999 All Other Miscellaneous Electrical… | $4.34M |
| Mcclintock Trucking And Excavating Inc. | Silvis | 238910 Site Preparation Contractors | $4.32M |
| Mantle-plocher JV | Worden | 237990 Other Heavy and Civil Engineering… | $4.3M |
| Cornerstone Contracting, Inc. | Elk Grove Village | 236220 Commercial and Institutional Building… | $4.3M |
| D.p. Murphy Ambulance Company | Grayslake | 621910 Ambulance Services | $4.28M |
| Utility Systems Of Georgia, Inc. | Chicago | 221310 Water Supply and Irrigation Systems | $4.28M |
| Federal Signal Corporation | University Park | 334290 Other Communications Equipment… | $4.27M |
| South Town Refrigeration, LLC | Frankfort | 238220 Plumbing, Heating, and Air-Conditioning… | $4.27M |
| Sd Resources Inc. | Evansville | 237990 Other Heavy and Civil Engineering… | $4.26M |
| Alden - Valley Ridge Rehabilitation And Health Care Center, Inc. | Bloomingdale | 623110 Nursing Care Facilities (Skilled… | $4.23M |
| Barcar Manufacturing, Inc. | Elburn | 335931 Current-Carrying Wiring Device… | $4.22M |
| Panda Machine Tools Inc. | West Chicago | 423830 Industrial Machinery and Equipment… | $4.2M |
| Meisystem, Inc. | Itasca | 811310 Commercial and Industrial Machinery… | $4.18M |
| Concord Nursing And Rehabilitation Center, LLC | Oak Lawn | 623110 Nursing Care Facilities (Skilled… | $4.18M |
| Voris Mechanical Inc. | Glendale Heights | 238220 Plumbing, Heating, and Air-Conditioning… | $4.18M |
| Aurora Pac LLC | Skokie | $4.16M | |
| Patriot Capital Ventures LLC | Mokena | 812220 Cemeteries and Crematories | $4.15M |
| United Machining North America LLC | Lincolnshire | 333517 Machine Tool Manufacturing | $4.14M |
| Nour LLC | Wilmette | 541713 Research and Development… | $4.12M |
| Tech-max Machine Inc. | Itasca | 332710 Machine Shops | $4.09M |
| Inpoint, Inc. | Chicago | 524298 All Other Insurance Related Activities | $4.07M |
| Alegna Inc. | Peoria | 541519 Other Computer Related Services | $4.07M |
| General Manufacturing LLC | Melrose Park | 332710 Machine Shops | $4.05M |
| K.c. Electrical Construction, Inc. | Midlothian | 238310 Drywall and Insulation Contractors | $4.04M |
| City Of Pekin | Pekin | 922120 Police Protection | $4.04M |
| City Of Greenville | Greenville | 921190 Other General Government Support | $4.02M |
| Exp-onyx JV LLP | Chicago | 541330 Engineering Services | $4.02M |
| Global Enterprise Services, LLC | Belleville | 541512 Computer Systems Design Services | $4.01M |
| Virtual Energy Solutions Inc. | Western Springs | 541330 Engineering Services | $4M |
| Oak Hill Contractors, LLC | Ewing | 237990 Other Heavy and Civil Engineering… | $3.97M |
| Optiplex LLC | Chicago | 423430 Computer and Computer Peripheral… | $3.93M |
| Volunteers Of America Of Illinois | Chicago | 624190 Other Individual and Family Services | $3.91M |
| Engineered Foam Solutions Inc. | South Holland | 326150 Urethane and Other Foam Product (except… | $3.9M |
| Numat Technologies Inc. | Chicago | 541715 Research and Development… | $3.88M |