Federal Contractors Headquartered in Illinois
160 federal contractors headquartered in Illinois are published on this site, with $56.13B in combined obligations on file. The largest are W S Darley & CO, Northrop Grumman Systems CORPORATION, and Bp Products North America INC..
By industry sector
- Manufacturing — 45 contractors
- Manufacturing — 10 contractors
- Professional, Scientific, and Technical Services — 34 contractors
- Construction — 24 contractors
- Manufacturing — 14 contractors
| Contractor | State | Obligations on file | Top agency |
|---|---|---|---|
| W S Darley & CO | IL | $6.30B | Department of Defense |
| Northrop Grumman Systems CORPORATION | IL | $5.01B | Department of Defense |
| Bp Products North America INC. | IL | $4.72B | Department of Defense |
| Cardinal Health 200, LLC | IL | $3.37B | Department of Defense |
| Medline Industries, LP | IL | $2.82B | Department of Veterans Affairs |
| Ddb Chicago INC. | IL | $2.41B | Department of Defense |
| Walsh Federal LLC | IL | $2.28B | Department of Defense |
| Cdw Government LLC | IL | $2.18B | Department of Transportation |
| Aar Government Services, INC. | IL | $1.88B | Department of Defense |
| W.w. Grainger, INC. | IL | $1.72B | General Services Administration |
| Sonova Usa INC | IL | $1.40B | Department of Veterans Affairs |
| Us Foods INC | IL | $1.15B | Department of Veterans Affairs |
| National Opinion Research Center | IL | $1.10B | Department of Health and Human Services |
| Archer Western Federal JV | IL | $1.01B | Department of Defense |
| Kay and Associates, INC. | IL | $914.1M | Department of Defense |
| General Dynamics Ordnance & Tactical Systems, INC. | IL | $905.3M | Department of Defense |
| Covenant Aviation Security, LLC | IL | $847.9M | Department of Homeland Security |
| Imt Defense CORP | IL | $745.7M | Department of Defense |
| Richard Group LLC | IL | $706.1M | Department of Veterans Affairs |
| Aar Supply Chain, INC | IL | $645.9M | Department of Defense |
| Paragon Micro INC | IL | $631.0M | Department of Defense |
| Archer-Daniels-Midland COMPANY | IL | $568.2M | Department of Agriculture |
| Jones Lang Lasalle Americas, INC. | IL | $504.2M | General Services Administration |
| Abbott Laboratories INC. | IL | $483.2M | Department of Veterans Affairs |
| Cherry Meat Packers, INC | IL | $408.4M | Department of Agriculture |
| Bp Products North America INC. | IL | $393.0M | Department of Defense |
| Ac JV One LLC | IL | $366.3M | Department of Veterans Affairs |
| Siemens Industry INC | IL | $346.1M | Department of Defense |
| Walsh Construction COMPANY Ii, LLC | IL | $332.2M | Department of Veterans Affairs |
| Sirius Federal LLC | IL | $284.7M | Department of Defense |
| Sawtooth Construction JV Ii LLC | IL | $258.6M | Department of Veterans Affairs |
| Jc Technology INC | IL | $252.4M | Department of Defense |
| Incobrasa Industries LTD | IL | $252.0M | Department of Agriculture |
| Luhr Crosby, LLC | IL | $220.5M | Department of Defense |
| Aep Energy INC | IL | $204.7M | Department of Health and Human Services |
| Vermilion Valley Produce INC | IL | $204.6M | Department of Defense |
| Vista Defense Technologies, LLC | IL | $203.9M | Department of Defense |
| Uncomn LLC | IL | $203.6M | Department of Defense |
| Belleville Shoe Manufacturing COMPANY | IL | $203.3M | Department of Defense |
| Sysmex America, INC | IL | $198.4M | Department of Veterans Affairs |
| Chicago American Manufacturing LLC | IL | $192.0M | Department of Defense |
| Veteran Technology Partners LLC | IL | $190.1M | Department of Veterans Affairs |
| Exp Federal INC. | IL | $188.6M | Department of Defense |
| Mistica Foods LLC | IL | $176.1M | Department of Agriculture |
| Jancorp, LLC | IL | $174.3M | Department of Agriculture |
| Chemring Energetic Devices INC | IL | $166.0M | Department of Defense |
| Fresenius Kabi, LLC | IL | $164.7M | Department of Health and Human Services |
| Dae Sung LLC | IL | $157.9M | General Services Administration |
| Bridger Richard JV LLC | IL | $154.8M | Department of Veterans Affairs |
| Woodward, INC. | IL | $147.5M | Department of Defense |
| Aeg Group INC | IL | $137.6M | Department of Defense |
| Troop Contracting INC | IL | $137.2M | Department of Veterans Affairs |
| Amcor JV One LLC | IL | $137.1M | Department of Veterans Affairs |
| Challenge Unlimited, INC. | IL | $132.2M | Department of Defense |
| Motorola Solutions, INC. | IL | $130.0M | Department of Defense |
| John Hofmeister & Son INC | IL | $119.8M | Department of Agriculture |
| Kranze Technology Solutions INC | IL | $119.5M | Department of Defense |
| Tw Metals, INC. | IL | $110.3M | Department of Defense |
| The University of Chicago | IL | $107.7M | Department of Health and Human Services |
| Atp Gov, LLC | IL | $106.0M | Department of Defense |
| Joint Commission on Accreditation of Healthcare Organizations | IL | $105.9M | Department of Veterans Affairs |
| Olin Winchester LLC | IL | $105.1M | Department of Defense |
| Abbott Molecular INC. | IL | $104.6M | Department of Veterans Affairs |
| Cardinal Government Services, INC. | IL | $103.9M | Department of Commerce |
| Baxter Healthcare CORPORATION | IL | $101.6M | Department of Health and Human Services |
| Document Imaging Dimensions INC. | IL | $98.8M | General Services Administration |
| Sphera Solutions, INC. | IL | $97.2M | Department of Defense |
| College of American Pathologists | IL | $95.1M | Department of Veterans Affairs |
| Kone INC | IL | $92.1M | General Services Administration |
| Burhani Enterprises INC | IL | $89.4M | Department of Defense |
| Leica Microsystems INC. | IL | $81.9M | Department of Health and Human Services |
| Kovilic Construction CO INC | IL | $80.2M | Department of Transportation |
| John Deere Shared Services, LLC | IL | $78.6M | Department of Defense |
| Allied Tube & Conduit CORPORATION | IL | $75.8M | Department of Defense |
| Gil Sewing CORP | IL | $75.2M | Department of Defense |
| C E Niehoff & CO | IL | $74.9M | Department of Defense |
| University of Illinois | IL | $74.5M | Department of Defense |
| Oneill Contractors INC | IL | $74.2M | Department of Defense |
| Accuity Asset Verification Services INC | IL | $70.5M | Social Security Administration |
| Bridger National Construction LLC | IL | $69.7M | Department of Veterans Affairs |
| Ada S. Mckinley Community Services, INC. | IL | $68.9M | Department of Defense |
| Supplied Industrial Solutions, INC. | IL | $68.7M | Department of Defense |
| Jet Support Services, INC. | IL | $68.3M | Department of Transportation |
| Sagent Pharmaceuticals, INC | IL | $66.6M | Department of Health and Human Services |
| Tempus Ai, INC | IL | $65.4M | Department of Veterans Affairs |
| Insurance Auto Auctions, INC. | IL | $62.9M | General Services Administration |
| Krueck & Sexton Architects, LTD | IL | $62.9M | General Services Administration |
| Evac North America INC | IL | $62.8M | Department of Defense |
| Paragon Technology Group INC. | IL | $62.4M | Department of Defense |
| Mccain Foods Usa, INC. | IL | $61.7M | Department of Agriculture |
| Bgrs Relocation INC | IL | $58.9M | Department of the Treasury |
| C5t CORPORATION | IL | $58.6M | Department of Defense |
| Mccrone Associates INC | IL | $58.6M | Department of Defense |
| Reliance Relocation Services, INC | IL | $58.4M | Department of Homeland Security |
| Mpc Products CORPORATION | IL | $58.1M | Department of Defense |
| Controlled F.o.r.c.e INC. | IL | $57.6M | Department of Defense |
| Sievert Electric Service and Sales COMPANY | IL | $56.0M | Department of Defense |
| Smith Hafeli INC | IL | $55.2M | Department of Veterans Affairs |
| Essex Electro Engineers INC | IL | $55.0M | Department of Defense |
| Northwestern University | IL | $54.3M | Department of Health and Human Services |
| Datix (usa) INC. | IL | $54.1M | Department of Defense |
| United Airlines, INC. | IL | $51.9M | Department of Defense |
| Blue Yonder INC | IL | $51.0M | Department of Veterans Affairs |
| Huron Consulting Services LLC | IL | $48.4M | Department of Veterans Affairs |
| Arjo INC | IL | $48.0M | Department of Veterans Affairs |
| Dmg Mori Federal Services, INC. | IL | $47.6M | Department of Defense |
| Geo Bancroft Engineering LLC | IL | $47.4M | Department of Veterans Affairs |
| Hamilton Sundstrand CORPORATION | IL | $47.2M | Department of Defense |
| Gale Construction COMPANY of Illinois | IL | $45.5M | Department of Defense |
| Modesto Management LLC | IL | $42.2M | Department of Veterans Affairs |
| Invisio Communications INC | IL | $40.6M | General Services Administration |
| Koi Computers, INC. | IL | $38.3M | Department of Energy |
| Ardl INC | IL | $38.3M | Department of Defense |
| Dms Contracting INC | IL | $36.8M | Department of Defense |
| Ostrom Painting & Sandblasting, INC | IL | $33.8M | Department of Defense |
| Motor Coach Industries, INC | IL | $33.5M | General Services Administration |
| Questek Innovations LLC | IL | $32.5M | Department of Defense |
| Win Win Aviation, INC. | IL | $31.0M | Department of Defense |
| Leydig, Voit & Mayer, LTD. | IL | $30.3M | Department of Health and Human Services |
| Ge Aviation Systems LLC | IL | $30.3M | Department of Defense |
| Spendsmart Group LLC | IL | $30.2M | Department of Defense |
| Legacy CORPORATION of Il | IL | $28.5M | Department of Defense |
| Department of Public Health Illinois | IL | $28.3M | Department of Health and Human Services |
| Prairie Farms Dairy INC | IL | $27.6M | Department of Agriculture |
| Convergint Technologies LLC | IL | $27.4M | Department of Health and Human Services |
| University of Illinois | IL | $26.6M | Department of Health and Human Services |
| Proalliance CORP | IL | $25.1M | Department of Defense |
| Ronjon Rentals INC | IL | $24.9M | Department of Defense |
| Collins Engineers, INCORPORATED | IL | $24.8M | Department of Defense |
| Argentum Medical, LLC | IL | $24.5M | Department of Health and Human Services |
| Amalgamated Services, INC. | IL | $24.3M | Department of Defense |
| Ruby Robinson COMPANY, LLC | IL | $23.0M | Department of Agriculture |
| J & N Marketing, INC. | IL | $22.6M | Department of the Interior |
| Hanson Professional Services, INC | IL | $21.7M | Department of Defense |
| Ex Libris Usa INC | IL | $21.7M | Department of Defense |
| Raco Steel CO | IL | $21.6M | Department of Justice |
| Cef Industries, LLC | IL | $21.4M | Department of Defense |
| Nalco COMPANY LLC | IL | $20.7M | Department of Veterans Affairs |
| Hu-Friedy Mfg. CO., LLC | IL | $20.0M | Department of Defense |
| Gla Global COMPANY | IL | $20.0M | Department of Defense |
| Bailey Edward Design, INC | IL | $20.0M | Department of Agriculture |
| E3 Diagnostics, INC. | IL | $19.8M | Department of Veterans Affairs |
| Correctional Dialysis Services LLC | IL | $19.3M | Department of Justice |
| D.h. Helicopter, INC. | IL | $18.5M | Department of Agriculture |
| Master Lock COMPANY LLC | IL | $17.4M | General Services Administration |
| Sp Plus CORPORATION | IL | $16.8M | Department of the Treasury |
| Cch INCORPORATED | IL | $14.4M | Securities and Exchange Commission |
| Advanced Commodities, INC. | IL | $14.4M | Department of Justice |
| Minxray INC | IL | $14.2M | Department of Defense |
| United Tactical Systems, LLC | IL | $12.5M | Department of Homeland Security |
| Atlas Toyota Material Handling, LLC | IL | $12.1M | Department of Defense |
| Gold Wave INC | IL | $11.5M | Department of Veterans Affairs |
| Stericycle INC | IL | $11.3M | Department of Veterans Affairs |
| Mayer Brown LLP | IL | $11.2M | U.S. International Development Finance Corporation |
| Kay Kay LLC | IL | $11.1M | Department of Defense |
| Eos-Av International CORP | IL | $9.8M | Department of Defense |
| The Glocoms Group INC | IL | $9.5M | Department of Defense |
| Elc Industries CORP. | IL | $9.4M | Department of Defense |
| Patterson Cooney INC | IL | $8.5M | Department of Defense |
| Vantive Us Healthcare LLC | IL | $6.4M | Department of Veterans Affairs |
Obligations shown are net federal contract obligations from USAspending.gov, fiscal year(s) currently in this export. See the methodology page for inclusion rules and the publication threshold.