General business services
5,342 companies
SIC 7389
Companies in Madison
Behind every street in Madison sits a business. 100,343 of them, to be exact, all registered in the United States business register. The biggest single industry is general business services with 5,342 companies, roughly 5% of everything that does business in the city.
100,343 businesses indexed
State Of WisconsinState Of Wisconsin
| Company Name | Country | City | Address 1 | State/Province | Postal Code | Website | Founding Year | Yearly Revenue in U.S. Dollars | Employees Total | Business Legal Type - Description | Number of Companies in Group | Company Registration Number | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | State Of Wisconsin | USA | Madison | 115 E Capitol | Dane | 53702-0021 | wisgov.***** | 1848 | $43,168,599,000 | 35,522 | Corporation | 2230 | N/A |
| 2 | American Family Mutual Insurance Company, S.I. | USA | Madison | 6000 American Pkwy | Dane | 53783 | amfam.***** | 1927 | $11,040,696,900 | 8,100 | Corporation | 160 | N/A |
| 3 | Anywhere Real Estate INC. | USA | Madison | 175 Park Ave | Morris | 07940-1123 | realogy.***** | 2026 | $5,692,000,000 | 2,570 | Corporation | 1414 | 4267926 |
| 4 | University Of Wisconsin Hospitals And Clinics Authority | USA | Madison | 600 Highland Ave | Dane | 53792-3284 | uwhealth.***** | 1996 | $4,465,022,000 | 1,350 | Corporation | 137 | N/A |
| 5 | Alliant Energy CORPORATION | USA | Madison | 4902 N Biltmore Ln Ste 1000 | Dane | 53718-2148 | alliantenergy.***** | 1917 | $4,362,000,000 | 3,000 | Corporation | 130 | 1 W16737 |
| 6 | Great Wolf Resorts Holdings, INC. | USA | Madison | 1255 Fourier Dr Ste 201 | Dane | 53717-2176 | greatwolfresorts.***** | 2015 | $4,000,169,630 | 4,734 | Corporation | 2056 | 3801273 |
| 7 | Exact Sciences CORPORATION | USA | Madison | 5505 Endeavor Ln | Dane | 53719-8803 | exactsciences.***** | 1995 | $3,246,990,000 | 7,000 | Corporation | 1313 | 2479901 |
| 8 | Cuna Mutual Holding Company | USA | Madison | 5910 Mineral Point Rd | Dane | 53705-4498 | trustage.***** | 2022 | $2,731,725,395 | 4,000 | Corporation | 114 | N/A |
| 9 | Trustage Financial Group, INC. | USA | Madison | 5910 Mineral Point Rd | Dane | 53705-4456 | trustage.***** | 2012 | $2,731,725,395 | 4,000 | Corporation | 114 | 426222 |
| 10 | Cmfg Life Insurance Company | USA | Madison | 5910 Mineral Point Rd | Dane | 53705-4456 | cunamutual.***** | 1935 | $2,696,792,483 | 4,000 | Corporation | 114 | 345374 |
| 11 | Progressive Northern Insurance CO | USA | Madison | 44 E Mifflin St | Dane | 53703-2821 | N/A | 2003 | $2,498,722,741 | 10 | Corporation | 362 | N/A |
| 12 | Wisconsin Power And Light CO | USA | Madison | 4902 N Biltmore Ln Ste 1000 | Dane | 53718-2148 | alliantenergy.***** | 1917 | $2,065,000,000 | 992 | Corporation | 130 | 1 W03604 |
| 13 | Anywhere Real Estate Group LLC | USA | Madison | 175 Park Ave | Morris | 07940 | realogy.***** | 2006 | $1,887,555,865 | 7,904 | Corporation | 1414 | 4099368 |
| 14 | University Of Wisconsin System (INC) | USA | Madison | 1220 Linden Dr Fl 17 | Dane | 53706 | wisconsin.***** | 2000 | $1,405,812,654 | 500 | Corporation | 2230 | N/A |
| 15 | Vertex Aerospace Services CORP. | USA | Madison | 555 Industrial Dr S | Madison | 39110-9072 | gov2x.***** | 2018 | $1,324,477,672 | 4,000 | Corporation | 153 | 6861377 |
| 16 | Qbe Americas, INC | USA | Madison | 10 Terrace Ct | Dane | 53718-2004 | thompson-nelson.***** | 1991 | $1,312,291,848 | 1,636 | Corporation | 168 | 4727577 |
| 17 | Certco, INC. | USA | Madison | 5321 Verona Rd | Dane | 53711-6050 | certcoinc.***** | 1975 | $1,047,239,351 | 325 | Corporation | 3 | 1 C13849 |
| 18 | Stephen Gould CORPORATION | USA | Madison | 5 Giralda Farms | Morris | 07940-1027 | stephengould.***** | 1958 | $926,969,000 | 512 | Corporation | 52 | 8568895000 |
| 19 | Ssm Health Care Of Wisconsin, INC. | USA | Madison | 1808 W Beltline Hwy | Dane | 53713-2334 | ssmhealth.***** | 1999 | $770,222,978 | 3,000 | Corporation | 259 | 430688874 |
| 20 | Madison Gas And Electric Company | USA | Madison | 133 S Blair St | Dane | 53788-0002 | mge.***** | 1896 | $743,654,000 | 726 | Corporation | 14 | 1 M00917 |
| 21 | Mge Energy, INC. | USA | Madison | 133 S Blair St | Dane | 53788-0001 | mge.***** | 1896 | $743,654,000 | 726 | Corporation | 14 | M 055434 |
| 22 | Promega CORPORATION | USA | Madison | 2800 Woods Hollow Rd | Dane | 53711-5399 | promega.***** | 1980 | $690,571,000 | 2,092 | Corporation | 28 | 1 B16353 |
| 23 | City Of Madison | USA | Madison | 210 Martin Luther King Jr Blvd | Dane | 53703-3340 | cityofmadison.***** | 1856 | $648,775,237 | 2,918 | Corporation | 84 | N/A |
| 24 | County Of Dane | USA | Madison | 210 Martin Luther King Jr Blvd Rm 106a | Dane | 53703-3342 | publichealthmdc.***** | 1836 | $645,332,336 | 1,568 | Corporation | 74 | N/A |
| 25 | ST. Mary's Hospital | USA | Madison | 700 S Park St | Dane | 53715-1893 | ssmhealth.***** | 1927 | $611,069,813 | 2,797 | Corporation | 259 | 6 S18451 |
Showing 25 of 100,343 companies
Request Free SampleLargest companies in Madison
Which company is the largest in Madison depends on how you measure. You can look at valuation, at revenue or at how many people work there. Valuations are private for most companies, so here we stick to revenue and headcount.
By revenue, State Of Wisconsin comes first in Madison. It is part of a group with $43.2 billion in yearly revenue. By headcount, Corcoran Group LLC comes first with 9,000 employees. We only looked at the 69,629 corporations in Madison for this; sole traders, foundations and other legal forms are left out.
The two tables below show how all 100,343 companies in Madison are spread across revenue and headcount bands.
Yearly revenue
58.8%of companies have less than $100,000 in yearly revenue
| Revenue (USD) | Count | Share |
|---|---|---|
| up to $100,000 | 58,988 | 58.8% |
| $100,000 to $500,000 | 29,317 | 29.2% |
| $500,000 to $1M | 2,125 | 2.1% |
| $1M to $5M | 2,031 | 2.0% |
| $5M to $10M | 303 | 0.3% |
| $10M to $50M | 272 | 0.3% |
| $50M to $100M | 53 | 0.1% |
| $100M to $500M | 42 | <0.1% |
| $500M to $1B | 13 | <0.1% |
| $1B or more | 17 | <0.1% |
| Unknown | 7,182 | 7.2% |
Headcount
87.1%of companies have 1 to 4 employees
| Employees | Count | Share |
|---|---|---|
| 1-4 | 87,353 | 87.1% |
| 5-9 | 6,810 | 6.8% |
| 10-19 | 2,381 | 2.4% |
| 20-49 | 1,492 | 1.5% |
| 50-99 | 578 | 0.6% |
| 100-199 | 249 | 0.2% |
| 200-499 | 145 | 0.1% |
| 500-999 | 40 | <0.1% |
| 1,000-4,999 | 27 | <0.1% |
| 5,000-9,999 | 3 | <0.1% |
| Unknown | 1,265 | 1.3% |
Source: business register and CompanyData. "Unknown" means no published figure.
Largest industries in Madison
The biggest industry groups in Madison by registered company count, with the top five companies by revenue in each.
Operators of Nonresidential Buildings
3,175 companies
SIC 6512
Business Consulting Services, Not Elsewhere Classified
3,119 companies
SIC 8748
Restaurants and eating places
2,691 companies
SIC 5812
Real estate agents and managers
2,388 companies
SIC 6531
General Contractors-Single-Family Houses
1,974 companies
SIC 1521
Investors, Not Elsewhere Classified
1,791 companies
SIC 6799
Religious Organizations
1,445 companies
SIC 8661
All industries in Madison
Together, general business services, Operators of Nonresidential Buildings and Business Consulting Services, Not Elsewhere Classified make up the top three industries in Madison, accounting for 12% of the city's commercial activity. The oldest company we can find in Madison is Madison United Methodist Church, founded in 1797, with Coneross Baptist Church not far behind. They are still here, along with 100,341 other businesses in Madison.
State government and a big research university set the rhythm in Madison, feeding a steady crop of labs, software firms and biotech startups around the lakes. All of them are in our data. Look up a company in the table at the top of this page, get the full list delivered as an Excel file, or pull the records straight into your own systems through our API.
- Nonclassifiable Establishments17,612
- Business Services, Not Elsewhere Classified5,342
- Operators of Nonresidential Buildings3,175
- Business Consulting Services, Not Elsewhere Classified3,119
- Eating Places2,691
- Real Estate Agents and Managers2,388
- General Contractors-Single-Family Houses1,974
- Investors, Not Elsewhere Classified1,791
- Religious Organizations1,445
- Beauty Shops1,317
- Other industries59,489
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Open the search toolFrequently Asked Questions
Common questions about searching, filtering, and ordering Madison company data.
Our Madison business directory currently lists every registered legal entity with a Madison address in the official United States business register. The exact count is shown live at the top of this page.
Madison records are sourced directly from the official United States business register and enriched with 50+ data points: revenue, employees, industry codes, contact details, and ownership.
Core registry fields are refreshed weekly. Enriched fields (revenue, employees, contact) are refreshed monthly so your Madison list never goes stale.
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