The 100 Largest Companies in Wisconsin for 2026
If you’re seeking employment opportunities in Wisconsin, you’ve landed in the right place. While you can find various lists of “biggest companies in Wisconsin” through a quick internet search, we present a curated collection of businesses with the most current employee counts that are headquartered right here in Wisconsin.
Below, you’ll find a comprehensive list of Wisconsin’s 100 largest companies, but first, let’s take a look at the top 10:
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Aptiv (Jobs)
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Kohl’s (Jobs)
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Johnson Controls (Jobs)
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Advocate Aurora Health (Jobs)
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Datex Ohmeda Inc (Jobs)
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Menards (Jobs)
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Fiserv (Jobs)
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Thomson Companies (Jobs)
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Ashley HomeStore (Jobs)
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Aurora Health Care (Jobs)
Aptiv ranks as the largest company in Wisconsin, boasting a current workforce of 180,000. Before diving into specifics, let’s explore our methodology.
How We Identified the Largest Companies in Wisconsin
At Zippia, we maintain a database of over 250,000 companies nationwide.
For this report, we focused exclusively on companies headquartered in Wisconsin that employ at least 100 individuals. This approach yielded a total of 1,696 companies.
We ranked these companies based on their current employee counts to determine the largest businesses in the state.
As it stands, Aptiv is the largest employer in Wisconsin, with 180,000 employees.
Now, let’s examine how the 100 biggest companies in Wisconsin rank.
Complete List of the 100 Largest Companies in Wisconsin
| Rank |
Company |
City |
Employees |
Jobs |
| 1 |
Aptiv |
La Crosse |
180,000 |
Jobs |
| 2 |
Kohl’s |
Menomonee Falls |
110,000 |
Jobs |
| 3 |
Johnson Controls |
Milwaukee |
97,000 |
Jobs |
| 4 |
Advocate Aurora Health |
Milwaukee |
75,000 |
Jobs |
| 5 |
Datex Ohmeda Inc |
Madison |
54,000 |
Jobs |
| 6 |
Menards |
Eau Claire |
45,000 |
Jobs |
| 7 |
Fiserv |
Brookfield |
44,000 |
Jobs |
| 8 |
Thomson Companies |
Pewaukee |
38,000 |
Jobs |
| 9 |
Ashley HomeStore |
Arcadia |
35,000 |
Jobs |
| 10 |
Aurora Health Care |
Milwaukee |
33,000 |
Jobs |
| 11 |
Kohler Co. |
Kohler |
32,000 |
Jobs |
| 12 |
Ministry Health Care |
Milwaukee |
30,000 |
Jobs |
| 13 |
casece |
Racine |
30,000 |
Jobs |
| 14 |
ACL Laboratories |
West Allis |
30,000 |
Jobs |
| 15 |
ManpowerGroup |
Milwaukee |
30,000 |
Jobs |
| 16 |
Kwik Trip |
La Crosse |
28,000 |
Jobs |
| 17 |
Rockwell Automation |
Milwaukee |
24,500 |
Jobs |
| 18 |
Regal Beloit |
Beloit |
23,600 |
Jobs |
| 19 |
Culver’s |
Prairie du Sac |
20,000 |
Jobs |
| 20 |
Schneider National |
Green Bay |
19,600 |
Jobs |
| 21 |
Voith GmbH |
Appleton |
19,535 |
Jobs |
| 22 |
Plexus |
Neenah |
19,200 |
Jobs |
| 23 |
Enercon Industries |
Menomonee Falls |
18,000 |
Jobs |
| 24 |
Kenwood Limited |
Milwaukee |
17,801 |
Jobs |
| 25 |
Alfa Laval |
Kenosha |
17,497 |
Jobs |
| 26 |
Spectrum Brands |
Middleton |
17,113 |
Jobs |
| 27 |
Oshkosh |
Oshkosh |
16,000 |
Jobs |
| 28 |
Quad |
Sussex |
15,800 |
Jobs |
| 29 |
A. O. Smith |
Milwaukee |
15,100 |
Jobs |
| 30 |
Specialty Retail Shops Holding Corp. |
Green Bay |
15,000 |
Jobs |
| 31 |
DCI Cheese |
Richfield |
15,000 |
Jobs |
| 32 |
Roundy’s Supermarkets |
Milwaukee |
14,000 |
Jobs |
| 33 |
Krones |
Franklin |
13,000 |
Jobs |
| 34 |
SC Johnson |
Racine |
13,000 |
Jobs |
| 35 |
Snap-on Tools |
Kenosha |
12,600 |
Jobs |
| 36 |
ABC Supply Co |
Beloit |
12,000 |
Jobs |
| 37 |
American Family Insurance |
Madison |
11,307 |
Jobs |
| 38 |
Modine Manufacturing |
Racine |
10,900 |
Jobs |
| 39 |
National Insurance Services |
Brookfield |
10,669 |
Jobs |
| 40 |
Saga Holidays |
Hartford |
10,002 |
Jobs |
| 41 |
Packers Sanitation Services |
Kieler |
10,001 |
Jobs |
| 42 |
Case New Holland Industrial Inc. |
Racine |
10,001 |
Jobs |
| 43 |
Experis US Inc |
Milwaukee |
10,001 |
Jobs |
| 44 |
Eastbay |
Wausau |
10,001 |
Jobs |
| 45 |
Epic Systems |
Verona |
10,000 |
Jobs |
| 46 |
Milwaukee Public Schools |
Milwaukee |
8,896 |
Jobs |
| 47 |
Michels |
Brownsville |
8,000 |
Jobs |
| 48 |
WISCONSIN GAS CO |
Milwaukee |
8,000 |
Jobs |
| 49 |
WEC Energy Group |
Milwaukee |
8,000 |
Jobs |
| 50 |
Rexnord |
Milwaukee |
8,000 |
Jobs |
| 51 |
Schreiber Foods |
Green Bay |
8,000 |
Jobs |
| 52 |
Banta Corporation |
Menasha |
8,000 |
Jobs |
| 53 |
The Marcus Corporation |
Milwaukee |
7,500 |
Jobs |
| 54 |
Dairyland Cycle Insurance |
Stevens Point |
7,500 |
Jobs |
| 55 |
Expera Specialty Solutions |
Kaukauna |
7,500 |
Jobs |
| 56 |
International Union Of Operating Engineers Local 139 |
Pewaukee |
7,500 |
Jobs |
| 57 |
Lightning Pick |
Waukesha |
7,500 |
Jobs |
| 58 |
Safway Group Holding LLC |
Waukesha |
7,500 |
Jobs |
| 59 |
SWFcontract |
Middleton |
7,500 |
Jobs |
| 60 |
Logistics Health Incorporated |
La Crosse |
7,500 |
Jobs |
| 61 |
Festival Foods |
De Pere |
7,500 |
Jobs |
| 62 |
ThoughtFocus |
Brookfield |
7,500 |
Jobs |
| 63 |
Phillips-Medisize |
Hudson |
7,500 |
Jobs |
| 64 |
Master Lock |
Oak Creek |
7,500 |
Jobs |
| 65 |
Techno Softwares |
West Bend |
7,500 |
Jobs |
| 66 |
U-Line |
Milwaukee |
7,500 |
Jobs |
| 67 |
Rogers Behavioral Health |
Oconomowoc |
7,500 |
Jobs |
| 68 |
Marcus Hotels & Resorts |
Milwaukee |
7,500 |
Jobs |
| 69 |
U.S. Department of Housing and Urban Development |
Milwaukee |
7,240 |
Jobs |
| 70 |
Uline |
Pleasant Prairie |
7,000 |
Jobs |
| 71 |
Northwestern Mutual |
Milwaukee |
6,701 |
Jobs |
| 72 |
Brady |
Milwaukee |
6,600 |
Jobs |
| 73 |
Fairway Independent Mortgage |
Madison |
6,565 |
Jobs |
| 74 |
Generac Holdings |
Waukesha |
6,500 |
Jobs |
| 75 |
Medical College of Wisconsin |
Milwaukee |
6,380 |
Jobs |
| 76 |
Gardner Denver |
Milwaukee |
6,200 |
Jobs |
| 77 |
REV Group |
Milwaukee |
6,000 |
Jobs |
| 78 |
Red Star Yeast |
Milwaukee |
6,000 |
Jobs |
| 79 |
Great Wolf Resorts |
Madison |
6,000 |
Jobs |
| 80 |
WAGO |
Germantown |
5,800 |
Jobs |
| 81 |
Milwaukee Tool |
Brookfield |
5,500 |
Jobs |
| 82 |
HellermannTyton Group |
Milwaukee |
5,400 |
Jobs |
| 83 |
Jockey |
Kenosha |
5,400 |
Jobs |
| 84 |
Enerpac Tool Group |
Menomonee Falls |
5,400 |
Jobs |
| 85 |
Briggs & Stratton |
Wauwatosa |
5,200 |
Jobs |
| 86 |
Albert Trostel & Sons Company |
Milwaukee |
5,197 |
Jobs |
| 87 |
Cathedral Square Pharmacy |
Milwaukee |
5,000 |
Jobs |
| 88 |
The Manitowoc Company |
Manitowoc |
5,000 |
Jobs |
| 89 |
Bucyrus |
South Milwaukee |
5,000 |
Jobs |
| 90 |
Harley-Davidson |
Milwaukee |
5,000 |
Jobs |
| 91 |
Boston Store |
Milwaukee |
5,000 |
Jobs |
| 92 |
M10 |
Brownsville |
5,000 |
Jobs |
| 93 |
Milprint, Inc |
Oshkosh |
4,999 |
Jobs |
| 94 |
Lands’ End |
Dodgeville |
4,900 |
Jobs |
| 95 |
Fortis Management Group |
Milwaukee |
4,734 |
Jobs |
| 96 |
Baird |
Milwaukee |
4,500 |
Jobs |
| 97 |
Waupaca Foundry |
Waupaca |
4,500 |
Jobs |
| 98 |
Gundersen Lutheran Medical Foundation Inc. |
La Crosse |
4,500 |
Jobs |
| 99 |
Associated Bank |
Green Bay |
4,300 |
Jobs |
| 100 |
Strattec Security |
Milwaukee |
4,209 |
Jobs |
In conclusion, Wisconsin is home to a diverse array of large employers, offering numerous job opportunities across various sectors. As the job market continues to evolve, particularly with the rise of remote and hybrid work models, it’s essential to keep an eye on these leading companies for potential career advancements. Whether you’re just starting or looking to make a career change, Wisconsin’s largest companies present a wealth of possibilities.
