GovIntel tracks 422 management & consulting contractors registered in Illinois. The 12 largest by federal award value are below, each linked to a full intelligence profile.
Ranked by Federal Award Value
| # | Company | City | Awards | Total Value |
|---|---|---|---|---|
| 1 | Hii Mission Technologies Corp | Willowbrook | 105 | $4.4B |
| 2 | Cdw Government Llc | Vernon Hills | 3,871 | $3.1B |
| 3 | Aar Government Services, Inc. | Wood Dale | 401 | $2.6B |
| 4 | Kay And Associates, Inc. | Buffalo Grove | 55 | $1.4B |
| 5 | Cardinal Health 200, Llc | Waukegan | 7,950 | $1.3B |
| 6 | National Opinion Research Center | Chicago | 165 | $879.8M |
| 7 | Grant Thornton Llp | Chicago | 188 | $663.5M |
| 8 | Aar Supply Chain, Inc | Wood Dale | 5,648 | $587.5M |
| 9 | Jones Lang Lasalle Americas, Inc. | Chicago | 385 | $454.7M |
| 10 | Vista Defense Technologies, Llc | Rock Island | 36 | $311.4M |
| 11 | Siemens Industry Inc | Buffalo Grove | 713 | $310.1M |
| 12 | Exp Federal Inc. | Chicago | 58 | $250.4M |
See all 422 Management & Consulting contractors in Illinois
Full rankings, side-by-side competitor analysis, agencies served, teaming networks, and risk signals — resolved and scored by MiMi.
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