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651,680 companies in Wisconsin.
Discover 651,680 companies headquartered in Wisconsin, spanning manufacturing, construction, and industrial sectors. Browse by city — including Milwaukee, Madison, Green Bay or by industry, and open any profile for its location, website, size, and NAICS/SIC classification.
Of the 639,243 with a known headcount, 98% employ 1-50 people and 693 employ more than 1,000. 98% of those reporting revenue are under $10M, while 362 report more than $1B.
These pages show the first 480 of 651,680 companies. Narrow the list with the filters above or open one of the narrower lists below to see the rest.
Wisconsin companies by size and revenue
| Employees | Companies | Share |
|---|---|---|
| 1-50 | 625,859 | 97.9% |
| 51-200 | 9,305 | 1.5% |
| 201-1000 | 3,386 | 0.5% |
| 1001-5000 | 458 | 0.1% |
| 5001+ | 235 | 0.0% |
| Revenue | Companies | Share |
|---|---|---|
| Under $10M | 609,497 | 97.9% |
| $10M-$50M | 9,924 | 1.6% |
| $50M-$250M | 2,523 | 0.4% |
| $250M-$1B | 414 | 0.1% |
| $1B+ | 362 | 0.1% |
Share is of companies with a known value — 639,243 with headcount and 622,720 with revenue on file, as of Jul 17, 2026.
Largest cities for Wisconsin companies
| # | City | Companies | Share of Wisconsin |
|---|---|---|---|
| 1 | Milwaukee | 80,520 | 12.4% |
| 2 | Madison | 41,104 | 6.3% |
| 3 | Green Bay | 19,197 | 2.9% |
| 4 | Appleton | 13,066 | 2.0% |
| 5 | Waukesha | 10,620 | 1.6% |
| 6 | Eau Claire | 9,976 | 1.5% |
| 7 | Brookfield | 9,943 | 1.5% |
| 8 | Kenosha | 9,761 | 1.5% |
| 9 | Racine | 8,572 | 1.3% |
| 10 | La Crosse | 7,915 | 1.2% |
Ranked by the number of companies listed; only cities with a page of their own are included.
Frequently asked questions
How many companies are based in Wisconsin?
651,680 companies in the directory are headquartered in Wisconsin, browsable by city or by industry.
How many large companies are in Wisconsin?
1,523 of the 651,680 companies in Wisconsin employ more than 500 people, and 362 report over $1 billion in annual revenue. See the size and revenue breakdown above for the full distribution.
What size are most Wisconsin companies?
Most are small and mid-sized businesses: the size and revenue tables above show the full spread, from under $10M up to $1B+, across the 622,720 companies with revenue on file.
What information is included for each company?
Every listing includes the company name, location, website, employee size, revenue range where available, and NAICS/SIC classification, with a link to the full profile.
Where does this directory come from?
Listings are compiled and maintained by Factur, a sales and marketing firm for B2B manufacturers. Any company can request an update or removal from its profile page.