Wisconsin Employer EIN Lookup

Use this Wisconsin EIN lookup to find an employer’s Employer Identification Number from its public Form 5500 filing. 16,806 employers based in Wisconsin have filed a Form 5500, covering 20,163 retirement and health plans with $263.9B in reported assets. The largest are listed below with their EIN — open any employer to see the full filing.

Employers

16,806

Plans

20,163

Total assets

$263.9B

Largest employers in Wisconsin by EIN

Form 5500 search →


Advocate Aurora Health, Inc.	Milwaukee	2	166,327	$10.5B
Northwestern Mutual Life INS.Co.	Milwaukee	14	81,687	$9.7B
Johnson Controls, Inc.	Green Bay	9	60,497	$8.8B
WEC Energy Group, Inc.	Milwaukee	13	17,701	$6.7B
Kimberly-Clark Corporation	Neenah	3	24,940	$5.9B
Rockwell Automation	Milwaukee	7	27,163	$5.6B
Fiserv Solutions, LLC.	Milwaukee	3	45,587	$5.1B
Schreiber Foods, Inc.	Green Bay	6	20,693	$4.2B
Molson Coors Beverage Company USA LLC	Milwaukee	19	52,516	$3.7B
Building Trades United Pension Trust Fund	ELM Grove	1	9,922	$3.5B
American Family Mutual Insurance Company, S.I.	Madison	4	33,048	$3.5B
Harley-Davidson Motor Company, Inc.	Milwaukee	6	5,892	$3.3B
Sentry Insurance Company	Stevens Point	17	22,109	$3.3B
Marshfield Clinic, Inc.	Marshfield	2	16,548	$3.1B
Epic Systems Corporation	Verona	3	30,638	$2.9B
Gundersen Lutheran Administrative Services, Inc.	La Crosse	3	10,104	$2.9B
Kohler Co. & Subsidiaries	Kohler	5	35,612	$2.8B
The Medical College of Wisconsin, Inc.	Milwaukee	6	33,756	$2.6B
Case New Holland Industrial Inc.	Racine	8	26,273	$2.5B
S.C. Johnson & SON, Inc.	Racine	6	10,760	$2.5B
Froedtert Thedacare Health, Inc.	Menomonee Falls	6	33,163	$2.5B
Oshkosh Corporation	Oshkosh	6	32,428	$2.3B
Telephone and Data Systems, Inc.	Madison	3	21,035	$2.3B
KOHL'S Inc.	Menomonee Falls	3	154,895	$2.3B
University of Wisconsin Medical Foundation, Inc.	Middleton	5	13,879	$2.2B
Robert W. Baird & Co., Inc.	Milwaukee	2	10,306	$2.2B
SNAP-on Incorporated	Kenosha	6	17,193	$2.1B
Credit Union Retirement Plan Association	Milwaukee	1	19,109	$2.1B
QUAD/Graphics, Inc.	Sussex	3	25,135	$2.1B
Joint Board of Trustees of North Central States Regional Council of	EAU Claire	1	7,316	$1.8B
Foley & Lardner LLP	Milwaukee	6	8,074	$1.7B
Amcor Flexibles North America, Inc.	Oshkosh	8	16,974	$1.7B
Alliant Energy Corporate Services, Inc.	Madison	4	6,345	$1.7B
Komatsu Mining Corp.	Milwaukee	4	14,135	$1.7B
Associated BANC-Corp.	Green Bay	7	18,614	$1.4B
CMFG Life Insurance Company	Madison	9	11,556	$1.3B
American Builders & Contractors Supply Co Inc.	Beloit	3	38,634	$1.3B
Baker Tilly Advisory Group Parent, LP	Madison	1	6,867	$1.2B
Harley-Davidson Motor Company Group, LLC	Milwaukee	5	12,636	$1.1B
Board of Trustees Milwaukee Drivers Pension Fund	Milwaukee	1	2,309	$1.1B
Trustees of Wisconsin Laborers' Pension Fund	Deforest	1	3,956	$1.1B
Childrens Hospital and Health System, Inc.	Milwaukee	6	33,242	$1.0B
Aspirus, Inc.	Wausau	3	22,744	$1.0B
Uline, Inc.	Pleasant Prairie	2	17,614	$968.3M
Regal Rexnord Corporation	Milwaukee	3	16,081	$961.3M
QBE Holdings, Inc.	Sun Prairie	2	2,650	$929.6M
Marquette University	Milwaukee	7	6,005	$926.0M
KWIK TRIP, Inc.	La Crosse	2	61,092	$925.8M
Krueger International Inc.	Green Bay	3	5,306	$902.6M
Schneider National, Inc.	Green Bay	3	33,152	$893.4M
Green Bay Packaging, Inc.	Green Bay	9	14,535	$872.0M
Madison Gas and Electric Company	Madison	14	5,162	$852.8M
Thedacare Inc.	Neenah	10	39,624	$837.6M
Wipfli LLP	Wausau	2	4,634	$810.7M
Trustage Financial Group, Inc.	Madison	2	2,421	$778.2M
Bellin Health Systems, Inc.	Green Bay	1	5,313	$756.7M
Exact Sciences Corporation	Madison	2	13,721	$748.8M
MGIC Investment Corporation	Milwaukee	4	1,756	$746.1M
Menasha Corporation	Neenah	3	14,401	$729.0M
Trustees of Wisconsin NECA-IBEW	Madison	1	2,796	$715.2M
Waupaca Foundry, Inc.	Waupaca	4	6,367	$701.9M
Woodman's Food Market, Inc.	Janesville	2	4,317	$700.2M
Manpowergroup Inc.	Milwaukee	3	80,032	$686.1M
Kerry Inc.	Beloit	5	10,821	$675.5M
Sargento Foods Inc.	Plymouth	2	4,891	$660.1M
WPS Insurance Corporation	Monona	11	9,606	$657.9M
Electrical Construction Industry Pension Plan Board of Trustees	Wauwatosa	1	2,376	$651.5M
Saputo Cheese USA Inc.	Milwaukee	2	15,456	$649.9M
Acuity	Sheboygan	4	3,504	$639.1M
A O Smith Corporation	Milwaukee	4	10,647	$636.3M
Prohealth Care, Inc.	Waukesha	3	7,870	$635.3M
Plexus Corp.	Neenah	2	5,347	$606.1M
Clarios, LLC	Glendale	3	11,750	$581.3M
Greenheck FAN Corporation	Schofield	2	8,920	$578.9M
Fairway Independent Mortgage Corporation	Madison	3	13,280	$577.9M
ZURN LLC	Milwaukee	7	5,497	$567.3M
Quarles & Brady LLP	Milwaukee	2	2,073	$549.9M
Operating Engineers Local 139 Health Benefit Fund	Pewaukee	2	7,422	$529.7M
Ashley Furniture Industries, LLC	Arcadia	2	30,066	$527.9M
Meriter Health Systems, Inc.	Madison	3	7,218	$527.1M
Charter Manufacturing Company, Inc.	Mequon	2	4,590	$503.3M
Rite-HITE Holding Corporation	Milwaukee	2	4,315	$493.8M
Prevea Clinic, Inc.	Green Bay	2	3,967	$491.7M
Sub-ZERO Group, Inc.	Madison	3	6,777	$489.2M
Board of Trustees	Kaukauna	1	2,130	$476.8M
United Food and Commercial Workers Employers Pension Plan	Greendale	1	304	$474.7M
West Bend Insurance Company	West Bend	10	3,241	$463.0M
Board of Trustees of the Electrical Workers Local Union 159 Retirement	Madison	1	1,819	$433.0M
Lands' END, Inc.	Dodgeville	4	9,333	$430.2M
Brady Corporation	Milwaukee	3	4,481	$427.5M
Promega Corporation	Madison	3	3,722	$418.4M
Wisconsin Association of Independent Colleges and Universities	Madison	1	1,904	$418.0M
Michael Best and Friedrich, LLP	Milwaukee	4	1,619	$409.0M
The Manitowoc Company, Inc.	Milwaukee	4	5,415	$408.7M
Modine Manufacturing Company	Racine	2	6,615	$407.5M
Faith Technologies Incorporated	Menasha	3	10,085	$403.6M
Electrical Construction Industry Annuity Plan Board of Trustees	Wauwatosa	1	3,812	$403.5M
U.S. Venture, Inc.	Appleton	7	9,608	$398.9M
TREK Bicycle Corporation	Waterloo	6	10,956	$392.7M
A.L.M. Holding Company	Onalaska	5	3,287	$390.2M

How to find an employer’s EIN in Wisconsin

Every employer that sponsors a retirement or health plan files a Form 5500 that lists its nine-digit Employer Identification Number. Find a Wisconsin company in the table above, or run a Form 5500 search by company name to pull the filing and read the EIN directly from it.

For a broader view of plans in the state — including industry breakdowns and the largest plans by assets — see Form 5500 plans in Wisconsin. New to these filings? Start with What is Form 5500?

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