Biggest public companies in Wisconsin
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 | Trane | $21B (FY 2025) | — |
| 2 | ManpowerGroup | $18B (FY 2025) | professional services |
| 3 | Fiserv | $16B (FY 2021) | finance |
| 4 | Oshkosh Corporation | $10B (FY 2025) | transportation |
| 5 | WEC Energy Group | $9.8B (FY 2025) | — |
| 6 | Rockwell Automation | $8.3B (FY 2025) | — |
| 7 | Regal Rexnord | $6.3B (FY 2023) | — |
| 8 | Schneider National | $5.0B (FY 2018) | transportation |
| 9 | Snap-on | $4.7B (FY 2026) | manufacturing |
| 10 | Alliant Energy | $4.4B (FY 2025) | energy |
| 11 | Generac | $4.2B (FY 2025) | manufacturing |
| 12 | Harley-Davidson | $3.6B (FY 2025) | transportation |
| 13 | Modine Manufacturing | $3.2B (FY 2026) | — |
| 14 | The Manitowoc Company | $2.2B (FY 2025) | manufacturing |
| 15 | Alliance Laundry Systems | $1.7B (FY 2025) | — |
| 16 | Brady Corporation | $1.5B (FY 2025) | manufacturing |
| 17 | Lands' End | $1.3B (FY 2026) | retail |
| 18 | MGIC Investment Corporation | $1.2B (FY 2025) | finance |
| 19 | Marten Transport | $1.1B (FY 2023) | — |
| 20 | Associated Banc-Corp | $1.1B (FY 2023) | finance |
| 21 | Marcus Corporation | $758M (FY 2025) | healthcare |
| 22 | Enerpac Tool Group | $617M (FY 2025) | — |
| 23 | Johnson Outdoors | $592M (FY 2025) | — |
| 24 | National Presto Industries | $504M (FY 2025) | — |
| 25 | Twin Disc | $341M (FY 2025) | — |
| 26 | Koss Corporation | $24M (FY 2018) | technology |
Revenue figures come from SEC EDGAR and are factual reference only. This is not investment advice.