The 43 largest companies in Waukesha (2026 list)

#	Company	Industry	Headquarters	Employees	Founded
1	Generac generac.com Providing reliable, efficient energy solutions for homes, businesses, and critical infrastructure to ensure comfort, safety, and energy independence.	Electric Power Generation	🇺🇸 Waukesha	4,197	1959
2	ProHealth Care careers.prohealthcare.org A healthcare company in Wisconsin that values its employees, offers a supportive culture, generous benefits, and opportunities for education to provide exceptional patient care	Hospitals and Health Care	🇺🇸 Waukesha	3,227	1914
3	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
4	Carroll University carrollu.edu A university offering liberal arts, health sciences, and graduate programs with a focus on teaching excellence, individual attention, and global experiences	Higher Education	🇺🇸 Waukesha	1,250	1846
5	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
6	ATC atcllc.com Transmission-only electric utility serving parts of Wisconsin, Michigan, Minnesota, and Illinois, ensuring reliable power for 5 million customers while leading the transition to sustainable energy	Utilities	🇺🇸 Waukesha	869	2001
7	School District of Waukesha sdw.waukesha.k12.wi.us Provider of public education services for K-12 students, focused on AVID, Dual Language, and STEM learning through magnet and charter schools	Education Administration Programs	🇺🇸 Waukesha	719	n/a
8	MetalTek International metaltek.com Manufactures critical metal components for high-heat, high-wear, high-corrosion environments. Customers trust its diverse capabilities and experience from product design to delivery.	Manufacturing	🇺🇸 Waukesha	600	1945
9	Steinhafels Furniture steinhafels.com Family-owned furniture retailer providing home furnishings, mattresses, and décor in southeastern Wisconsin and northern Illinois Largest selection with 15 showrooms Apply online for opportunities	Retail	🇺🇸 Waukesha	572	1934
10	Olameter olameter.com A leading provider of outsourced utility asset management, network communications, and data services for over 350 clients in North America	Utilities	🇺🇸 Waukesha	521	1998
11	The Boelter Companies boelter.com A trusted partner for restaurants, breweries, and distilleries, providing strategic guidance and essential products for peak performance and memorable customer experiences	Food and Beverage Services	🇺🇸 Waukesha	455	1929
12	PakMail pakmailwi.com One-stop shop for packing, pick up, delivery, fulfillment, and shipping needs Offers competitive prices, full declared value coverage, and excellent customer service	Freight and Package Transportation	🇺🇸 Waukesha	451	n/a
13	SPX Transformer Solutions, Inc.spxtransformersolutions.com A leading manufacturer of power transformers providing complete service solutions, components, replacement parts, and training classes for all skill levels	Appliances, Electrical, and Electronics Manufacturing	🇺🇸 Waukesha	400	1970
14	MRA - The Management Association mranet.org Nonprofit employer association providing HR services, talent management, learning development, and rewards planning to over 5,000 employers nationwide.	Human Resources Services	🇺🇸 Waukesha	348	1901
15	R&R Insurance Services Inc.myknowledgebroker.com A large insurance agency offering business, personal, and health insurance, with a focus on innovation, professional development, and tailored client programs worldwide	Insurance	🇺🇸 Waukesha	324	1975
16	CentroMotion centromotion.com Provides industrial actuation, motion control, and power transmission products serving aerospace, agriculture, construction, healthcare, military, mining, and transportation sectors.	Industrial Machinery Manufacturing	🇺🇸 Waukesha	323	n/a
17	City of Waukesha waukesha-wi.gov The company promotes a vibrant community with diverse neighborhoods, quality schools, shopping options, industries, arts, parks, and recreational activities in Waukesha city	Government Administration	🇺🇸 Waukesha	319	n/a
18	Payne + Dolan \| A Walbec Group Company walbecgroup.com The company provides construction and engineering services, produces top-quality construction materials, and offers cost-effective solutions for various construction needs	Construction	🇺🇸 Waukesha	250	n/a
19	La Casa de Esperanza, Inc.lacasadeesperanza.org A non-profit organization providing education, workforce development, affordable housing, weatherization, and mental health services to low-income individuals in the community	Non-profit Organizations	🇺🇸 Waukesha	190	1966
20	Hope Center hopecenterwi.org A nonprofit organization in Waukesha County providing assistance with basic needs, social services, and support for those in need	Non-profit Organizations	🇺🇸 Waukesha	174	1987
21	Dedicated Computing dedicatedcomputing.com Manufacturing custom compute systems for global OEMs in Healthcare, Life Sciences, Training & Simulation, and Industrial markets to power critical devices	Computer Hardware Manufacturing	🇺🇸 Waukesha	174	1978
22	Kinex Medical Company, LLC kinexmedical.com An orthopedic specialty medical equipment company providing DME and Orthotics for rehabilitation, ensuring quick recovery and excellent patient care	Hospitals and Health Care	🇺🇸 Waukesha	171	1983
23	Wildeck, Inc wildeck.com Leading U.S. manufacturer of industrial work platforms, vertical reciprocating conveyors, rideable material lifts, custom ladders, access platforms, and safety guarding products.	Industrial Machinery Manufacturing	🇺🇸 Waukesha	171	1976
24	La Estacion laestacionrestaurant.com A restaurant in Waukesha WI that specializes in serving authentic Mexican cuisine using the best ingredients, offering fine meat, coffee, and wine	Computers and Electronics Manufacturing	🇺🇸 Waukesha	162	n/a
25	Global View Capital Advisors gvcadvisors.com Global View Capital Advisors provides personalized financial advice focused on building long-lasting relationships, making practical recommendations, and guiding clients towards achieving their goals	Financial Services	🇺🇸 Waukesha	151	n/a
26	Flight For Life flightforlife.org A non-profit organization providing flight transportation services to Wisconsin and northern Illinois for over 35 years Utilizes Air Methods for aviation services	Hospitals and Health Care	🇺🇸 Waukesha	151	1984
27	THE MAREK GROUP marekgroup.com A national leader in marketing execution solutions offering print management, signage, direct mail, promotional products, software, customization, and fulfillment services	Marketing Services	🇺🇸 Waukesha	149	1972
28	Grayline LLC graylineinc.com A manufacturer specializing in engineered flexible polymer tubing, offering regular and heat shrinkable options in various sizes, materials, and colors for custom applications	Plastics Manufacturing	🇺🇸 Waukesha	149	1966
29	Dana Investment Advisors danainvestment.com Asset management firm guiding investors through market changes, actively managing US Equity and Fixed Income strategies to deliver consistent excess returns with lower risk	Investment Management	🇺🇸 Waukesha	72	1980
30	Wild Marketing Group whywild.com Wild Marketing Group offers customized promotional programs integrating products, services, and branding expertise to achieve marketing goals for businesses	Advertising Services	🇺🇸 Waukesha	71	1991
31	KDV Label, LLC kdvlabel.com This company specializes in providing quality custom label and packaging solutions to represent and promote their customers' brands effectively	Packaging and Containers Manufacturing	🇺🇸 Waukesha	64	1974
32	Drake & Associates, LLC drakeandassociates.net A wealth management firm that creates personalized retirement plans to help clients achieve financial security and reach their retirement goals	Financial Services	🇺🇸 Waukesha	61	2002
33	Superior Crane Corp. - Healy Manufacturing Group superiorcrane.com A leading manufacturer and supplier in the USA for Material Handling Equipment, offering a range of crane components, custom designing, turnkey manufacturing, and support for various brands	Mechanical Or Industrial Engineering	🇺🇸 Waukesha	54	1951
34	Hub hubinternational.com An Insurance and Risk Management firm dedicated to protecting leading professional and commercial clients, reducing long-term cost of risk	Insurance	🇺🇸 Waukesha	30	2001
35	Global View Capital Management, LLC.gvcmanagement.com A diversified financial services firm offering global asset management, investment advisory, and insurance services with a focus on fiduciary care	Investment Management	🇺🇸 Waukesha	27	2011
36	Miro Manufacturing Inc.miromfg.com Full-service contract manufacturer specializing in metal stamping, fabrication, and machining with a dedicated tool room, partnering with customers from design to production	Industrial Machinery Manufacturing	🇺🇸 Waukesha	26	1988
37	Aladdin Engineering and Manufacturing, Inc.aladdinengmfg.com Custom machinery and automation design and manufacturing company, providing cost-effective solutions, latest technologies, and superior customer support for global industries	Automation Machinery Manufacturing	🇺🇸 Waukesha	17	1953
38	Capture Sports & Entertainment capture-se.com A sports and entertainment marketing company specializing in philanthropy, personal branding, marketing, public relations, events, fundraising services for athletes and entertainers	Advertising Services	🇺🇸 Waukesha	17	2011
39	Walden, Neitzke & Kuhary, S.C.waldenlaw.net A law firm known for providing honest legal advice, acting in clients' best interests, and guiding them towards the best solutions	Law Practice	🇺🇸 Waukesha	13	n/a
40	UpKeep LLC upkeep-services.com A full-service company specializing in home maintenance, remodel projects, and property management, providing a one-stop solution for all home needs	Construction	🇺🇸 Waukesha	4	2017
41	Evology Manufacturing, Corp.evologymfg.com Value-driven manufacturing company integrating advanced and traditional technologies to deliver quick, efficient, and high-quality build-to-print solutions for customers worldwide	Manufacturing	🇺🇸 Waukesha	4	2022
42	Spancrete Machinery Corporation spancrete-machinery.com A Wisconsin-based machinery company specializing in manufacturing and distributing machinery products	Industrial Machinery Manufacturing	🇺🇸 Waukesha	3	n/a
43	ICS icshelpsyou.com Providing cost-effective technology solutions to enhance operational efficiency, with a focus on reliability and responsive support Simplifying processes for business advancement	IT Services and IT Consulting	🇺🇸 Waukesha	1	2004

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How this list is built

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 Oct 24, 2026.

The same list elsewhere in United States

The largest companies in the United States 91,669
The largest companies in California 12,813
The largest companies in New York State 10,485
The largest companies in Texas 8,086
The largest companies in Florida 4,945
The largest companies in Illinois 4,175
The largest companies in Pennsylvania 3,110
The largest companies in Massachusetts 3,093
The largest companies in Georgia 2,632
The largest companies in Ohio 2,618
The largest companies in New Jersey 2,569
The largest companies in Virginia 2,503
The largest companies in Michigan 2,346
The largest companies in North Carolina 2,174
The largest companies in Alabama 1,806
The largest companies in Washington State 1,785
The largest companies in Colorado 1,774
The largest companies in Minnesota 1,700
The largest companies in Maryland 1,527
The largest companies in Wisconsin 1,482
The largest companies in New York 6,920
The largest companies in San Francisco 2,030
The largest companies in Houston 1,791
The largest companies in Chicago 1,668