Companies headquartered in Illinois, by prime awards since FY2021
Rows 5,001–5,100 of 5,696, largest first
| Company | City | Primary industry (NAICS) | Prime awards since FY2021 |
|---|---|---|---|
| Royal Cyber Inc. | Naperville | 541512 Computer Systems Design Services | Subcontractor |
| Roy-el BBQ Catering, Inc. | Belleville | 722320 Caterers | $0 |
| Rp Coatings Inc. | Troy | 238320 Painting and Wall Covering Contractors | $0 |
| R. P. Lumber Co. Inc. | Edwardsville | 444110 Home Centers | Subcontractor |
| Rs Hughes Co. Inc. | Carol Stream | 332510 Hardware Manufacturing | $0 |
| Rubinos And Mesia Engineers, Inc. | Chicago | 541330 Engineering Services | Subcontractor |
| Russell English Scoma & Beneke PC | Princeton | $0 | |
| Russo Hardware Inc. | Schiller Park | 444230 Outdoor Power Equipment Retailers | $0 |
| Ruth Malone Revocable Trust | Marion | 236220 Commercial and Institutional Building… | $0 |
| R+W America, L.P. | West Chicago | 333613 Mechanical Power Transmission Equipment… | Subcontractor |
| Rxo Managed Transport LLC | Naperville | 488510 Freight Transportation Arrangement | Subcontractor |
| Ryan Gail | Geneva | 624310 Vocational Rehabilitation Services | $0 |
| Ryan Manufacturing Inc. | Newark | 332312 Fabricated Structural Metal… | $0 |
| Ryan Metal Products Inc. | Kankakee | 332999 All Other Miscellaneous Fabricated… | $0 |
| Saachi Inc. | Roselle | 335311 Power, Distribution, and Specialty… | $0 |
| Sab Construction Inc. | Marion | 236118 Residential Remodelers | $0 |
| Safepole LLC | Wheeling | 423450 Medical, Dental, and Hospital Equipment… | $0 |
| Safersonic US Inc. | Highland Park | 334510 Electromedical and Electrotherapeutic… | $0 |
| Safe Water Technologies, Incorporated | Elgin | 423830 Industrial Machinery and Equipment… | Subcontractor |
| Sage Solutions Group, Inc. | Homer Glen | 541690 Other Scientific and Technical… | Subcontractor |
| Saint Clair County Intergovernmental Grants Department | Belleville | $0 | |
| Saint Xavier University | Chicago | 611310 Colleges, Universities… | $0 |
| Salvation Army, The | Champaign | $0 | |
| Samela, Inc. | Green Oak | 423450 Medical, Dental, and Hospital Equipment… | $0 |
| Sanchez & Associates PC | Elk Grove Village | 541370 Surveying and Mapping (except… | Subcontractor |
| Sandbox Studio, Inc. | Chicago | 541430 Graphic Design Services | $0 |
| Sanders Appraisal Service Inc. | Walnut Hill | 531320 Offices of Real Estate Appraisers | $0 |
| Sangamon, County Of | Springfield | $0 | |
| Sangamon County Water Rec Dist | Springfield | $0 | |
| Sarah Bush Lincoln Health Center | Mattoon | 622110 General Medical and Surgical Hospitals | $0 |
| Savanna Quarry Inc. | Savanna | 212312 Crushed and Broken Limestone Mining… | $0 |
| Sb Boron Corporation | Bellwood | 325180 Other Basic Inorganic Chemical… | $0 |
| Scale Construction Inc. | Chicago | 236220 Commercial and Institutional Building… | $0 |
| Schaefges Bros Inc. | Wheeling | 236220 Commercial and Institutional Building… | $0 |
| Schermerhorn Bros., Co. | Lombard | 423990 Other Miscellaneous Durable Goods… | $0 |
| Schmid Tool & Engineering Corp. | Villa Park | 332710 Machine Shops | $0 |
| Schuler & Shook, Inc. | Chicago | 541490 Other Specialized Design Services | $0 |
| Schultes Precision Manufacturing Inc. | Buffalo Grove | 332710 Machine Shops | $0 |
| Schulte Supply, Inc. | Edwardsville | 425120 Wholesale Trade Agents and Brokers | $0 |
| Schwab Rehabilitation Hospital And Care Network | Chicago | 622310 Specialty (except Psychiatric… | $0 |
| Science Olympiad | Oakbrook Terrace | $0 | |
| Scientel Solutions LLC | Aurora | 334220 Radio and Television Broadcasting… | $0 |
| Scientific Control Laboratories, Limited | Chicago | 541380 Testing Laboratories and Services | $0 |
| Scientific Device Laboratory Inc. | Des Plaines | 325413 In-Vitro Diagnostic Substance… | $0 |
| Scifi Innovations LLC | Chicago | 541715 Research and Development… | $0 |
| Sci Moline, L.L.C. | Moline | 721110 Hotels (except Casino Hotels) and Motels | $0 |
| Scott Leasing Company, Inc. | Des Plaines | 335220 Major Household Appliance Manufacturing | $0 |
| SCR Medical Transportation LLC | Chicago | 485991 Special Needs Transportation | $0 |
| Seaga Manufacturing, Inc. | Freeport | $0 | |
| Seahawk Enterprises, L.L.C | Highland | 423710 Hardware Merchant Wholesalers | $0 |
| Search Inc. | Chicago | 623210 Residential Intellectual… | Subcontractor |
| Searl Lamaster Howe Architects, P.C. | Chicago | 541310 Architectural Services | $0 |
| Second City Works, Inc. | Chicago | 611430 Professional and Management Development… | $0 |
| Second Sense | Chicago | 624120 Services for the Elderly and Persons… | $0 |
| Secretary Of State Illinois | Springfield | $0 | |
| Security Alarm Corp. | Salem | $0 | |
| Sedecal USA, Inc. | Niles | 423450 Medical, Dental, and Hospital Equipment… | $0 |
| Sedona Technologies Government Services LLC | Moline | 541611 Administrative Management and General… | Subcontractor |
| Seko Worldwide LLC | Schaumburg | 488510 Freight Transportation Arrangement | Subcontractor |
| Se-kure Controls Inc. | Franklin Park | 339999 All Other Miscellaneous Manufacturing | $0 |
| Select Rehabilitation, LLC | Glenview | 621111 Offices of Physicians (except Mental… | Subcontractor |
| Senior Operations LLC | Bartlett | 332999 All Other Miscellaneous Fabricated… | Subcontractor |
| Serenity Home Healthcare, Llc-series A | Niles | 621610 Home Health Care Services | $0 |
| Service One Access Regional, Inc. | Chicago | 532412 Construction, Mining, and Forestry… | Subcontractor |
| Servi-sure, LLC | Chicago | 335931 Current-Carrying Wiring Device… | Subcontractor |
| Set Screw & Manufacturing Co. | Elgin | 332722 Bolt, Nut, Screw, Rivet, and Washer… | $0 |
| Sewer Equipment Co. Of America | Dixon | 333310 Commercial and Service Industry… | Subcontractor |
| Seyfarth Shaw LLP | Chicago | 541110 Offices of Lawyers | $0 |
| Shadi & Son Inc. | Chicago | 811198 All Other Automotive Repair… | $0 |
| Shaker Advertising Agency, Inc. | Oak Park | 541810 Advertising Agencies | Subcontractor |
| Shamrock Scientific Specialty Systems, LLC | Oak Brook | 323111 Commercial Printing (except Screen… | Subcontractor |
| Shanks Veterinary Equipment Inc. | Milledgeville | 339112 Surgical and Medical Instrument… | $0 |
| Shapemaster Inc. | Ogden | 326199 All Other Plastics Product Manufacturing | $0 |
| Shared-use Mobility Center | Chicago | Subcontractor | |
| Share Machine Inc. | Aurora | 332710 Machine Shops | $0 |
| Shatterglass Studios LLC | Savoy | 512110 Motion Picture and Video Production | $0 |
| Shawnee Enterprises Inc. | Marion | $0 | |
| Shawnee Health Service And Development Corporation | Carterville | $0 | |
| Shawnee Stone, LLC | Salem | 212312 Crushed and Broken Limestone Mining… | $0 |
| Shawnee Telephone Co. | Equality | $0 | |
| Shay Roofing, Inc. | Millstadt | 238160 Roofing Contractors | Subcontractor |
| Shedd Aquarium Society | Chicago | $0 | |
| Shelby Electric Cooperative | Shelbyville | 221122 Electric Power Distribution | $0 |
| Shepard Medical Products Inc. | Roselle | 423450 Medical, Dental, and Hospital Equipment… | $0 |
| Sherry M Brooks | Chicago | 812199 Other Personal Care Services | $0 |
| Sherwin-williams Company, The | Gurnee | 444120 Paint and Wallpaper Retailers | $0 |
| Shethwala Inc. | Skokie | 423620 Household Appliances, Electric… | $0 |
| Shiloh Valley Equipment Co. | Belleville | 811310 Commercial and Industrial Machinery… | $0 |
| S Himmelstein & Co. | Hoffman Estates | 334519 Other Measuring and Controlling Device… | $0 |
| Shoemaker Construction Company, Inc. | Vienna | 236220 Commercial and Institutional Building… | $0 |
| Shorewood Home And Auto, Inc. | Shorewood | 444230 Outdoor Power Equipment Retailers | $0 |
| Shuman Consulting Group, LLC | Skokie | 541611 Administrative Management and General… | Subcontractor |
| Shur-way Moving & Cartage Co. | Libertyville | 484210 Used Household and Office Goods Moving | $0 |
| Sicalco Ltd. | Hinsdale | 237310 Highway, Street, and Bridge Construction | $0 |
| Sidley Austin LLP | Chicago | $0 | |
| Siemens Manufacturing Co. Inc. | Freeburg | 334418 Printed Circuit Assembly (Electronic… | Subcontractor |
| Sigenics Inc. | Chicago | 541330 Engineering Services | Subcontractor |
| Silicon Control Inc. | Deerfield | 334515 Instrument Manufacturing for Measuring… | Subcontractor |
| Silk Screen Express Inc. | Tinley Park | 423910 Sporting and Recreational Goods… | $0 |
| Silkworm Inc. | Murphysboro | $0 |