Biggest public companies in Illinois
Ranked by total revenue reported in each company's most recent annual SEC filing (10-K). Figures are factual reference only and are not investment advice.
| # | Company | Revenue (dated) | Industry |
|---|---|---|---|
| 1 | Boeing | $77B (FY 2019) | real estate, aerospace defense |
| 2 | Allstate | $68B (FY 2025) | finance |
| 3 | Abbvie | $61B (FY 2025) | technology, healthcare |
| 4 | United Airlines | $59B (FY 2025) | transportation |
| 5 | Abbott Laboratories | $44B (FY 2025) | technology, healthcare |
| 6 | Mondelez International | $39B (FY 2025) | food and beverage |
| 7 | Archer Daniels Midland | $25B (FY 2025) | food and beverage |
| 8 | Kraft Heinz | $25B (FY 2025) | food and beverage, consumer goods |
| 9 | Exelon | $24B (FY 2025) | energy |
| 10 | CDW | $22B (FY 2025) | — |
| 11 | GE Healthcare | $21B (FY 2025) | technology, healthcare, manufacturing |
| 12 | W. W. Grainger | $18B (FY 2025) | — |
| 13 | Arthur J. Gallagher & Co. | $14B (FY 2025) | — |
| 14 | Ulta Beauty | $12B (FY 2026) | consumer goods |
| 15 | Motorola Solutions | $12B (FY 2025) | telecom |
| 16 | Conagra Brands | $12B (FY 2025) | food and beverage |
| 17 | Baxter | $11B (FY 2025) | healthcare |
| 18 | Old Republic International | $9.1B (FY 2025) | finance |
| 19 | Packaging Corporation of America | $9.0B (FY 2025) | — |
| 20 | Dover Corporation | $8.1B (FY 2025) | — |
| 21 | Ingredion | $7.2B (FY 2025) | healthcare, food and beverage |
| 22 | CF Industries | $7.1B (FY 2025) | manufacturing |
| 23 | CME Group | $6.5B (FY 2025) | finance |
| 24 | Zebra Technologies | $5.4B (FY 2025) | technology |
| 25 | Northern Trust | $5.0B (FY 2025) | finance |
| 26 | Kemper Corporation | $4.8B (FY 2025) | finance |
| 27 | Morningstar, Inc. | $2.4B (FY 2025) | finance |
| 28 | Cboe Global Markets | $2.2B (FY 2017) | — |
| 29 | RLI Corp. | $1.9B (FY 2025) | finance |
| 30 | CNA Financial | $1.6B (FY 2025) | finance |
| 31 | Donnelley Financial Solutions | $767M (FY 2025) | — |
| 32 | Cars.com | $723M (FY 2025) | — |
| 33 | Groupon | $498M (FY 2025) | retail |
| 34 | Vivid Seats | $451M (FY 2025) | — |
| 35 | GoHealth | $362M (FY 2025) | healthcare |
| 36 | QCR Holdings | $166M (FY 2017) | finance |
Revenue figures come from SEC EDGAR and are factual reference only. This is not investment advice.