List of corporate groups and holding companies in Wisconsin (2026 list)

This list highlights some of Wisconsin's largest corporate groups and holding companies. Many are established mid-sized to large firms, with a notable presence in manufacturing and financial services. Quad, for example, is a global marketing experience company, while Regal Rexnord manufactures sustainable solutions for airflow and motion control. Associated Bank provides comprehensive financial products, and Spectrum Brands produces pet care, pest control, and home cleaning products. Marshfield Clinic Health System offers extensive healthcare services across the region.

A clear pattern among these companies is their diverse operational focus, ranging from heavy industrial manufacturing to specialized financial and healthcare services. Several companies, such as Briggs & Stratton and Alliance Laundry Systems, were founded in the early 20th century, indicating a long-standing industrial base in the state.

#	Company	Industry	Headquarters	Employees	Founded
1	Quad quad.com Global marketing experience company streamlining marketing complexities with state-of-the-art technology and data-driven solutions for brands to make direct consumer connections	Advertising Services	🇺🇸 Sussex	10,261	1971
2	Regal Rexnord maintenance.regalrexnord.com Global manufacturer of sustainable solutions for airflow, motion control, power transmission, and power generation in commercial, industrial, and residential settings Headquarters in Milwaukee, Wisconsin	Electric Power Transmission, Control, and Distribution	🇺🇸 Milwaukee	5,921	1955
3	Associated Bank associatedbank.com Provides comprehensive financial products and services through over 200 locations across Wisconsin, Illinois, Minnesota, and loan offices in several other states.	Financial Services	🇺🇸 Green Bay	5,089	1861
4	Marshfield Clinic Health System marshfieldclinic.org Providing comprehensive healthcare services, research, education, and community partnerships across rural Wisconsin and Michigan's Upper Peninsula.	Hospitals and Health Care	🇺🇸 Marshfield	5,019	1916
5	Spectrum Brands, Inc spectrumbrands.com Leading producer of pet care, pest control, home cleaning, grooming products, and small household appliances trusted worldwide.	Manufacturing	🇺🇸 Middleton	4,505	n/a
6	TDS®tdsinc.com Provides broadband internet, TV, phone services, wireless infrastructure leasing, and marketing solutions to urban, suburban, and rural U.S. communities.	Telecommunications	🇺🇸 Madison	3,980	1969
7	Briggs & Stratton briggsandstratton.com Design, manufacture, and market engines, lithium-ion batteries, generators, energy storage, and outdoor power equipment globally under multiple brand names.	Manufacturing	🇺🇸 Milwaukee	3,691	1908
8	Mercury Marine mercurymarine.com designs, manufactures, distributes marine engines, parts, and accessories for recreational, commercial, and government boating applications worldwide	Manufacturing	🇺🇸 Fond du Lac	2,887	1939
9	Rehlko rehlko.com providing global energy resilience solutions with innovative power systems and engines, supporting industrial and residential energy needs worldwide	Manufacturing	🇺🇸 Milwaukee	2,710	n/a
10	TruStage trustage.com Financially strong insurance, investment, and technology provider dedicated to helping people make confident financial decisions at every stage of life	Financial Services	🇺🇸 Madison	2,538	1935
11	REV Group, Inc revgroup.com Specialty vehicle designer and manufacturer, offering customized solutions for fire & emergency, commercial, and recreational applications to a diverse customer base in the United States	Motor Vehicle Manufacturing	🇺🇸 Brookfield	2,380	2010
12	Alliance Laundry Systems LLC alliancelaundry.com Manufacture and supply high-quality laundry machines and services worldwide, supporting diverse customers with innovative, efficient, and sustainable solutions.	Machinery Manufacturing	🇺🇸 Ripon	2,059	1908
13	CUNA Mutual Group cunamutual.com Financially strong insurance, investment, and financial services company focused on creating a more equitable financial system through community engagement and products	Financial Services	🇺🇸 Madison	1,816	1934
14	SMC Ltd smcltd.com Offers global contract manufacturing and molding services for medical devices, diagnostics, and pharmaceutical industries, including design, engineering, and assembly.	Medical Equipment Manufacturing	🇺🇸 Somerset	1,783	1988
15	Shorewest shorewest.com Family-owned company in Wisconsin since 1946, dedicated to helping families buy and sell homes Top workplace with 25 sales offices statewide	Real Estate	🇺🇸 Brookfield	1,399	1946
16	Badger Meter badgermeter.com Global provider of smart water solutions, encompassing flow measurement, water quality, and pressure monitoring. Offers data and analytics to optimize operations and ensure sustainable water use.	Utilities	🇺🇸 Milwaukee	1,378	n/a
17	Safway Group safwaygroup.com Industry-leading provider of high-performance multiservice solutions worldwide, specializing in access, scaffolding, insulation, fireproofing, and coatings for various industries	Construction	🇺🇸 Waukesha	1,339	1936
18	Johnson Financial Group johnsonfinancialgroup.com Provides banking, wealth management, mortgage, leasing, and advisory services with strong community values and private family ownership.	Financial Services	🇺🇸 Racine	1,333	1970
19	U.S. Venture, Inc.usventure.com A leader in distributing energy products, lubricants, tires, and parts, focusing on sustainability and community support, driving business success	Transportation, Logistics, Supply Chain and Storage	🇺🇸 Appleton	1,160	1951
20	QPS Employment Group qpsemployment.com A staffing agency specializing in IT, accounting, finance, and HR positions for the manufacturing industry with a focus on customer service and employee satisfaction	Staffing and Recruiting	🇺🇸 Brookfield	1,123	1985
21	AriensCo ariensco.com A leading manufacturer of outdoor power equipment since 1933, designing and assembling products with world-class Lean manufacturing standards for consumers and commercial sectors	Machinery Manufacturing	🇺🇸 Brillion	930	1933
22	Bemis Manufacturing Company bemismfg.com Manufacturing custom plastic products including toilet seats, healthcare components, and precision parts for consumer, commercial, medical, and industrial markets worldwide.	Plastics Manufacturing	🇺🇸 Sheboygan Falls	919	1901
23	Husco husco.com Family-owned company with 75 years of experience designing hydraulic and electro-mechanical control systems for Automotive and Off-Highway equipment Globally recognized for innovation and employee excellence	Industrial Machinery Manufacturing	🇺🇸 Waukesha	896	1985
24	Hydrite hydrite.com Innovative independent provider of chemicals and services, focused on food safety, water treatment, manufacturing efficiency, and crop health, with strong community engagement	Chemical Manufacturing	🇺🇸 Brookfield	813	1929
25	BW Papersystems bwpapersystems.com A global leader in paper processing industries, offering innovative technologies and products through a combination of 10 strong brands worldwide	Machinery Manufacturing	🇺🇸 Phillips	758	2014
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26	Inpro inprocorp.com Manufacturing and servicing door and wall protection, washroom systems, expansion joints, window treatments, elevator interiors, and architectural signage worldwide.	Wholesale Building Materials	🇺🇸 Muskego	750	1979
27	Ellsworth Adhesives ellsworth.com Global distributor of specialty chemicals and equipment, offering adhesives, sealants, coatings, tapes, soldering products, and dispensing equipment for industrial assembly processes	Chemical Manufacturing	🇺🇸 Germantown	739	1974
28	Fairbanks Morse Defense fairbanksmorsedefense.com FMD provides reliable power systems, parts, and aftermarket services to naval defense customers, extending asset life and maximizing efficiency	Machinery Manufacturing	🇺🇸 Beloit	695	1872
29	Midwest Communications, Inc.mwcradio.com Family-owned multimedia company operating 81 radio stations and 75 brands in various states, providing diverse content to audiences in the Midwest	Broadcast Media Production and Distribution	🇺🇸 Wausau	654	1958
30	ACS Group acscorporate.com The ACS Group provides a wide range of auxiliary products for the plastics processing industry, offering comprehensive solutions and superior technical support	Machinery Manufacturing	🇺🇸 New Berlin	598	1916
31	County Materials Corporation countymaterials.com A leading manufacturer of concrete construction and landscape products, providing trusted solutions for infrastructure, transportation, commercial, agricultural, municipal, and residential projects	Wholesale Building Materials	🇺🇸 Marathon	592	1946
32	Oneida Nation oneida-nsn.gov The company focuses on providing services related to tribal government, health, environment protection, parks, tourism, gaming, hospitality, and golf	Government Administration	🇺🇸 Oneida	571	1822
33	M3 Insurance m3ins.com A leading insurance broker and risk management firm in America, providing world-class resources for managing risk, purchasing insurance, and offering employee benefits	Insurance	🇺🇸 Madison	567	1968
34	Pieper Electric, Inc.pieperpower.com A leading electrical contractor with a focus on safety, quality, and community stewardship, offering a wide range of services and committed to ethical growth and development	Construction	🇺🇸 New Berlin	547	1947
35	Kaplan Professional kaplan.com A global leader in for-profit education and career advancement services, empowering individuals to reach their career goals through personalized solutions	Education Administration Programs	🇺🇸 La Crosse	500	n/a
36	Enerpac enerpac.com A global provider of advanced industrial tools and services prioritizing safety, productivity, and customer experience with technically superior solutions	Machinery Manufacturing	🇺🇸 Milwaukee	492	1910
37	First Business Bank firstbusiness.bank A company offering business banking, private wealth management, bank consulting services, and total rewards for employees, committed to supporting communities	Financial Services	🇺🇸 Madison	485	1990
38	The Mark Travel Corporation appleleisuregroup.com ALG is a leading North American travel and hospitality group offering vacation packages, luxury resorts, destination management services, loyalty programs, and technology solutions	Travel Arrangements	🇺🇸 Milwaukee	481	1974
39	Twin Disc twindisc.com With over a century of experience, this company engineers and manufactures power transmission products for a wide range of industries, managing and controlling horsepower for various applications	Machinery Manufacturing	🇺🇸 Milwaukee	454	1918
40	Charter Manufacturing chartermfg.com A family-owned group of metals manufacturing businesses, founded in 1936, known for continuous improvement, entrepreneurial spirit, and employee success stories	Manufacturing	🇺🇸 Mequon	401	1936
41	Journal Broadcast Group (division of Journal Communications)journalcommunications.com A diversified media company with operations in television, radio, publishing, and digital media, owning multiple stations and publications in various states	Broadcast Media Production and Distribution	🇺🇸 Milwaukee	400	1882
42	Amla Commerce (Creator of Artifi and Znode)amla.io Amla Commerce develops sustainable ecommerce platforms with advanced features for mid-market and enterprise-level companies in various industries	Software Development	🇺🇸 Milwaukee	375	2018
43	GO Riteway Transportation Group goriteway.com Transportation solutions provider offering a range of vehicles for various occasions and long-term partnerships with institutions, companies, schools, and airport services	Ground Passenger Transportation	🇺🇸 Oak Creek	365	1957
44	Dairy Farming A dairy marketing cooperative owned by nearly 15,000 farmers, specializing in diversified dairy product manufacturing	Dairy Product Manufacturing	🇺🇸 Janesville	360	n/a
45	Wis-Pak, Inc.wis-pak.com A cooperative in the soft drink industry, with 35 shareholders owning 65 Pepsi-Cola franchises across multiple states and expanding through acquisitions	Food and Beverage Services	🇺🇸 Watertown	346	1969
46	Bloom Companies, LLC bloomcos.com The company provides sustainable design and construction engineering solutions to government, municipal, industrial, and commercial clients with cost-effective design and superior service	Civil Engineering	🇺🇸 Milwaukee	333	1998
47	URUS Group urus.org A global agricultural holding company connecting leading organizations to provide cutting-edge genetics, reproductive services, dairy management, and products for sustainable herds	Farming	🇺🇸 Madison	313	2018
48	OESC (Oneida ESC Group)oescgroup.com A family of companies delivering engineering, science, and construction services worldwide, maximizing customer-focused project delivery through synergy and diverse resources	Facilities Services	🇺🇸 Milwaukee	312	2016
49	Steele Solutions, Inc steelesolutions.com A leader in North America for designing and manufacturing work platforms, custom chutes, and security lockers for warehouse automation projects	Manufacturing	🇺🇸 South Milwaukee	278	1996
50	Volm Companies Inc.volmcompanies.com A leading supplier of packaging equipment and materials for the fresh produce industry, offering customized solutions and personalized customer service	Packaging and Containers Manufacturing	🇺🇸 Antigo	272	1954

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Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 11, 2026.

List of corporate groups and holding companies in Wisconsin

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