Companies headquartered in Illinois, by prime awards since FY2021
Rows 4,701–4,800 of 5,696, largest first
| Company | City | Primary industry (NAICS) | Prime awards since FY2021 |
|---|---|---|---|
| National Plastics And Seals, Inc. | Schaumburg | 325211 Plastics Material and Resin… | $0 |
| National Power Rodding Corp. | Chicago | 562998 All Other Miscellaneous Waste… | $0 |
| National Registry Of Environmental Professionals | Chicago | 541620 Environmental Consulting Services | $0 |
| National Tek Services, Inc. | Mundelein | 423430 Computer and Computer Peripheral… | $0 |
| National Temp-trol Products Corp. | Downers Grove | $0 | |
| National University Of Health Sciences | Lombard | $0 | |
| National Van Lines Inc. | Broadview | 484210 Used Household and Office Goods Moving | Subcontractor |
| National Wrecking Company | Chicago | 238910 Site Preparation Contractors | Subcontractor |
| Natural Direct LLC | Aurora | 424430 Dairy Product (except Dried or Canned)… | $0 |
| Natural Land Institute | Rockford | $0 | |
| Nature Inc. | Kankakee | 562991 Septic Tank and Related Services | $0 |
| Navy Pier, Inc. | Chicago | 713110 Amusement and Theme Parks | $0 |
| NCH Marketing Services, Inc. | Chicago | 561990 All Other Support Services | $0 |
| Neary Martin, Inc. | Naperville | 323113 Commercial Screen Printing | $0 |
| Ned J Gunn | Mounds | 238910 Site Preparation Contractors | $0 |
| Nelson Fire Protection Co. | Rockford | Subcontractor | |
| Nelson Systems, Inc. | Springfield | 334310 Audio and Video Equipment Manufacturing | $0 |
| Neomek Inc. | Batavia | 541330 Engineering Services | Subcontractor |
| Neousys Technology America Inc. | Wheeling | Subcontractor | |
| Nest Builders, Inc. | Chicago | 541330 Engineering Services | Subcontractor |
| Network Medical Review Company, LLC | Rockford | 524298 All Other Insurance Related Activities | Subcontractor |
| Neuco Inc. | Bolingbrook | 423730 Warm Air Heating and Air-Conditioning… | $0 |
| Neurosciences Ltd. | Chicago | 621112 Offices of Physicians, Mental Health… | $0 |
| Neustar Information Services, Inc. | Chicago | 561422 Telemarketing Bureaus and Other Contact… | Subcontractor |
| Newesco Inc. | Elk Grove Village | 484210 Used Household and Office Goods Moving | $0 |
| New Growth Innovation Network, Inc. | Chicago | Subcontractor | |
| Newman Margo R | Chicago | 541199 All Other Legal Services | $0 |
| New Step Orthotic Lab, Inc. | Maryville | 339999 All Other Miscellaneous Manufacturing | $0 |
| New Wave International Cargo, LLC | Glendale Heights | 488510 Freight Transportation Arrangement | $0 |
| Nexsort Services Ink, LLC | Schaumburg | 561499 All Other Business Support Services | $0 |
| Nextwatt LLC | Hoffman Estates | 221122 Electric Power Distribution | Subcontractor |
| Nijc, NFP | Chicago | 541199 All Other Legal Services | Subcontractor |
| Nimco Corp. | Crystal Lake | 333993 Packaging Machinery Manufacturing | $0 |
| Nixalite Of America Inc. | East Moline | 332618 Other Fabricated Wire Product… | $0 |
| Njord Consulting LLC | Chicago | 541690 Other Scientific and Technical… | Subcontractor |
| N. Kohl Grocer Co. | Quincy | 424410 General Line Grocery Merchant… | $0 |
| NNM Manufacturing LLC | Plainfield | 332313 Plate Work Manufacturing | Subcontractor |
| Noise Barriers LLC | North Aurora | 332322 Sheet Metal Work Manufacturing | Subcontractor |
| Noland Sales Corp. | Wood Dale | 238330 Flooring Contractors | $0 |
| Norman Carlson Corporation | Lake Forest | 322291 Sanitary Paper Product Manufacturing | $0 |
| Norman Equipment Co. | Bridgeview | 423990 Other Miscellaneous Durable Goods… | $0 |
| Norman Lamps Inc. | Saint Charles | 335139 Electric Lamp Bulb and Other Lighting… | $0 |
| North American Die Casting Association | Arlington Heights | 541715 Research and Development… | Subcontractor |
| North American Safety Products, Inc. | Mokena | 332999 All Other Miscellaneous Fabricated… | $0 |
| North Central Behavioral Health Systems, Inc. | La Salle | 621420 Outpatient Mental Health and Substance… | $0 |
| North Central Land Survey Co. | Beach Park | 541370 Surveying and Mapping (except… | Subcontractor |
| North Chicago Iron Works, Inc. | North Chicago | 238120 Structural Steel and Precast Concrete… | Subcontractor |
| Northeastern Illinois University | Chicago | 611310 Colleges, Universities… | $0 |
| Northern Illinois Steel Supply Co. | Channahon | 423510 Metal Service Centers and Other Metal… | $0 |
| North Park University | Chicago | $0 | |
| North Star Lighting, LLC | Elmhurst | 335132 Commercial, Industrial… | $0 |
| Northstar Technologies Inc. | North Aurora | 541511 Custom Computer Programming Services | Subcontractor |
| Northwater LLC | Springfield | 541620 Environmental Consulting Services | Subcontractor |
| Northwestern Memorial Healthcare | Chicago | Subcontractor | |
| Northwestern Memorial Hospital | Chicago | $0 | |
| Novaspect Inc. | Schaumburg | 423830 Industrial Machinery and Equipment… | $0 |
| Novatronix Inc. | Wood Dale | 334418 Printed Circuit Assembly (Electronic… | $0 |
| Novel Electronic Designs Inc. | Chillicothe | 334519 Other Measuring and Controlling Device… | $0 |
| NTN Bearing Corporation Of America | Schaumburg | 332991 Ball and Roller Bearing Manufacturing | Subcontractor |
| NTS Labs, LLC | Mount Prospect | 541380 Testing Laboratories and Services | Subcontractor |
| Numerical Algorithms Group, Inc. | Lisle | 541511 Custom Computer Programming Services | $0 |
| Nutherm International Inc. | Mount Vernon | 541380 Testing Laboratories and Services | Subcontractor |
| Nutoys Leisure Products, Inc. | Westchester | $0 | |
| Nu Veterans Construction Services, Inc. | Chicago | 236220 Commercial and Institutional Building… | $0 |
| Oai Inc. | Park Forest | $0 | |
| Oakland Industries Ltd. | Mount Prospect | 335931 Current-Carrying Wiring Device… | Subcontractor |
| Oakley Services Inc. | Okawville | 811310 Commercial and Industrial Machinery… | $0 |
| Oberlander Alarm Systems Inc. | Peoria | $0 | |
| Oberlander Electric Co. | Mossville | 238210 Electrical Contractors and Other Wiring… | Subcontractor |
| Obiter Research LLC | Champaign | 325199 All Other Basic Organic Chemical… | $0 |
| O. C. Keckley Company | Skokie | 332911 Industrial Valve Manufacturing | $0 |
| Ockerlund Industries Inc. | Addison | 322211 Corrugated and Solid Fiber Box… | $0 |
| Oem Air Compressor Corp. | Maywood | 423830 Industrial Machinery and Equipment… | $0 |
| Oer Associates, LLC | Wilmette | 541990 All Other Professional, Scientific… | $0 |
| Ofallon Electric Co. | Lebanon | 238210 Electrical Contractors and Other Wiring… | $0 |
| Ogle, County Of | Oregon | $0 | |
| O'hare Spring Company, Inc. | Elk Grove Village | 813910 Business Associations | $0 |
| Olde Towne Floor Covering, Inc. | Plainfield | 238330 Flooring Contractors | $0 |
| Olson & Cepuritis, Ltd. | Chicago | 541110 Offices of Lawyers | $0 |
| Olthoff, Inc. | Lynwood | 237310 Highway, Street, and Bridge Construction | $0 |
| Olympic Construction LLC | Urbana | 238350 Finish Carpentry Contractors | Subcontractor |
| Omar Medical Supplies, LLC | Chicago | 424350 Clothing and Clothing Accessories… | $0 |
| Omnilane Inc. | Lisle | $0 | |
| Omni Pump Repairs, Inc. | Franklin Park | 238220 Plumbing, Heating, and Air-Conditioning… | $0 |
| Omron Electronics LLC | Hoffman Estates | 811310 Commercial and Industrial Machinery… | Subcontractor |
| Oncology-hematology Associates Of Central Illinois, P.C. | Peoria | 621111 Offices of Physicians (except Mental… | Subcontractor |
| One Way Solutions LLC | Northfield | 423830 Industrial Machinery and Equipment… | $0 |
| Onkens Inc. | Easton | $0 | |
| Ono Sokki Technology Inc. | Rolling Meadows | $0 | |
| On The Job Consulting, Inc. | Champaign | 541511 Custom Computer Programming Services | $0 |
| Open Door Clinic Of Greater Elgin | Elgin | 621999 All Other Miscellaneous Ambulatory… | $0 |
| Openlands | Chicago | 813312 Environment, Conservation and Wildlife… | $0 |
| Opticsplanet, Inc. | Northbrook | 459110 Sporting Goods Retailers | Subcontractor |
| Optimal Rehabilitation PLLC | Frankfort | 621111 Offices of Physicians (except Mental… | Subcontractor |
| Orbital Transports LLC | Chicago | 541330 Engineering Services | $0 |
| Oregon Community Unit School District 220 | Oregon | $0 | |
| Organization Of Black Aerospace Professionals, Inc. | Westchester | $0 | |
| Orochem Technologies Inc. | Naperville | 541714 Research and Development… | $0 |
| Orthopedic Analysis LLC | Oak Park | $0 | |
| Orthotech Sports Medical Equipment Inc. | Herrin | 423910 Sporting and Recreational Goods… | $0 |