This selection of large corporate groups and holding companies in Michigan reveals a strong presence in manufacturing, particularly automotive, alongside a significant healthcare sector. Notable examples include Lear Corporation, which designs and manufactures seating and electronic systems for automakers; Trinity Health, a not-for-profit health care system; and McLaren Health Care, an integrated health system. Other companies like Haworth specialize in furniture manufacturing, and Guardian Industries produces glass products.
The data shows a concentration of healthcare providers, with Trinity Health, McLaren Health Care, Bronson Healthcare, Munson Healthcare, and MyMichigan Health all headquartered in Michigan. This indicates a robust and localized healthcare industry, serving diverse communities across the state.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Lear Corporationlear.com
Designs and manufactures advanced seating and electronic systems for major automakers, focusing on comfort, safety, and efficiency worldwide. |
52,409 | |||
| 2 |
Trinity Healthtrinity-health.org
Not-for-profit, Catholic health care system with 123,000 colleagues and 27,000 physicians across 26 states, providing diverse communities with hospitals and other health services |
18,369 | |||
| 3 |
Gi Groupgigroup.com
Providing temporary, permanent, professional staffing, executive search, outsourcing, training, outplacement, and HR consultancy services worldwide across multiple industries. |
17,915 | |||
| 4 |
Real Estate Onerealestateone.com
A Michigan-based real estate company offering a variety of services and brands while prioritizing core values of excellence, integrity, and teamwork |
10,741 | |||
| 5 |
Learning Care Grouplearningcare.com
Providing safe, quality early learning and child care for children ages 6 weeks to 12 years across multiple nationwide locations. |
10,328 | |||
| 6 |
McLaren Health Caremclaren.org
Integrated health system with hospitals, physician network, cancer centers, insurance, and medical education across Michigan, Indiana, and Ohio. |
9,301 | |||
| 7 |
Bronson Healthcarebronsonhealth.com
A leading healthcare system in southwest Michigan with over 9,000 employees, offering primary to critical care services across 100 locations |
4,836 | |||
| 8 |
Munson Healthcaremunsonhealthcare.org
Leading healthcare system in northern Michigan with nine hospitals, advanced medical technology, partnerships with major health systems, and comprehensive care for 540,000 residents |
4,644 | |||
| 9 |
Haworthhaworth.com
A family-owned company founded in 1948, Haworth is a global leader in creating innovative workspaces through furniture, interior architecture, and technology solutions |
4,358 | |||
| 10 |
Guardian Industriesguardian.com
Manufacture high-performance float, coated, and fabricated glass products for architectural, residential, transportation, and technical applications worldwide. |
4,055 | |||
| 11 |
MyMichigan Healthmymichigan.org
A non-profit health system affiliated with the University of Michigan, providing care, community benefits, and economic impact in Michigan |
3,382 | |||
| 12 |
UFP Industriesufpi.com
A global holding company with subsidiaries in packaging, construction, and retail solutions, manufacturing and distributing products for various industries worldwide |
2,995 | |||
| 13 |
Genthermgentherm.com
Global leader in thermal management and pneumatic comfort technologies for automotive and medical industries Specializes in creating innovative heating, cooling, and ventilating devices |
2,892 | |||
| 14 |
Project Worldwideproject.com
Creative alliance combining multiple agencies focused on ambitious collaboration and meaningful work through hyperconnected creativity and diverse marketing expertise. |
2,678 | |||
| 15 |
PIANOFORTE GROUPpianoforteholding.it
A fashion retail group formed by the merger of Inticom and Kuvera, led by Italian families, operating with numerous stores worldwide |
2,602 | |||
| 16 |
Universal Logistics Holdings, Inc.universallogistics.com
Customized transportation and logistics solutions across North America, including transportation, intermodal, contract logistics, and global trade management services. |
2,408 | |||
| 17 |
Barton Malowbartonmalow.com
Innovative 100% employee-owned construction enterprise focused on building projects that impact communities and transform the industry |
2,323 | |||
| 18 |
Universal Forest Products, Inc.ufpi.com
A global corporation with 150 operations and 13,000 employees, specializing in wood and wood-alternative products for retail, industrial, and construction markets worldwide |
2,087 | |||
| 19 |
AUTOKINITONautokiniton.com
Autokiniton invests in Tier 1 automotive suppliers, offering innovative solutions in metal stampings, welded assemblies, and tubular products for the automotive industry |
1,912 | |||
| 20 |
Tower Internationalautokiniton.com
Autokiniton invests in Tier 1 automotive suppliers, offering innovative solutions for metal stampings, welded assemblies, and structural components in the automotive industry |
1,766 | |||
| 21 |
Champion Home Builders, Inc.championhomes.com
Industry-leading off-site construction company producing residential and commercial buildings across North America and the UK, distributed through independent retailers and serving various sectors |
1,633 | |||
| 22 |
Cabinetworks Groupcabinetworksgroup.com
Leading privately held cabinetmaker in the USA, with 25 locations and 16 brands, dedicated to bringing life and humanity to kitchen cabinets |
1,537 | |||
| 23 |
Morleymorleycompanies.com
A company serving global Fortune 500 companies and institutions, offering customer service, event management, exhibit installations, and trade show services since 1863 |
1,515 | |||
| 24 |
Delta Dental of Michigandeltadentalmi.com
Leading dental plan administrator providing superior dental benefits and supporting initiatives to improve oral and overall health in communities nationwide |
1,059 | |||
| 25 |
AirLifemyairlife.com
A leader in medical device manufacturing, offering anesthesia and respiratory care products with a focus on patient safety and comfort Serving 97 countries worldwide |
963 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 26 |
Doeren Mayhewdoeren.com
Professionals providing guidance and direction to businesses and nonprofit organizations to traverse complex business terrain. Offers audit, tax, and business consulting services. |
929 | |||
| 27 |
AF - Groupafgroup.com
A leading holding company providing specialty insurance solutions through independent agents nationwide, underwritten by licensed insurer subsidiaries Visit afgroupcom for more information |
901 | |||
| 28 |
Health Management Associateshealthmanagement.com
Health Management Associates is a national research and consulting firm specializing in health care program and policy issues for various organizations |
882 | |||
| 29 |
Gestamp North Americagestamp.com
Global automotive components manufacturer specializing in lightweight, safe products for vehicles Focus on innovation, energy efficiency, and environmental impact Operates internationally with extensive R&D and production capabilities |
848 | |||
| 30 |
BFF Banking Groupbff.com
Specialized in non-recourse factoring of public administration receivables, securities services, banking, and corporate payments across Europe. |
816 | |||
| 31 |
Zeigler Automotive Groupzeigler.com
A leading dealer group in the US with diverse automotive and motorsports offerings, executive training, finance, insurance, and leasing services |
815 | |||
| 32 |
Detroit Manufacturing Systems (DMS)dmsna.com
Transforming lives by providing a welcoming environment for team members to learn new skills and deliver high-quality parts using innovative technology on time |
801 | |||
| 33 |
Masco Cabinetrycabinetworksgroup.com
A leading manufacturer of cabinetry brands offering career development opportunities in a dynamic environment focused on growth and empowerment |
797 | |||
| 34 |
Sun Communities & Sun RV Resortslinkedin.com
Explore the new page for a company focused on outdoor leisure activities and communities, offering a range of outdoor experience options |
723 | |||
| 35 |
Webasto Americaswebasto.com
Manufacturing automotive roof systems and electrification solutions, including sunroofs, serving global markets with extensive production and family-owned heritage. |
665 | |||
| 36 |
L&W Engineeringautokiniton.com
An automotive investment firm supporting Tier 1 suppliers, specializing in metal stampings, welded assemblies, and structural components for the industry |
645 | |||
| 37 |
Acro Service Corpacrocorp.com
Integrated staffing and consulting solutions provider with global reach, specializing in workforce management for various industries with a focus on quality and customer service |
625 | |||
| 38 |
The Christman Companychristmanco.com
A leading commercial construction management firm partnering with organizations across various industries to deliver expertise, leadership, and partnership in project execution |
618 | |||
| 39 |
First National Bank of Americafnba.com
A nationally charted bank offering high CD rates, high-yield savings accounts, Non-QM mortgages, commercial loans, Self Directed IRA loans, and exceptional customer service |
581 | |||
| 40 |
Coldwell Banker Schmidt Realtorscbgreatlakes.com
Established in 1927, we have grown to be one of the top real estate brokerages with 70 offices, 1,400 agents, and $3 Billion in sales volume |
576 | |||
| 41 |
Avancez LLCavancezassembly.com
Specializing in creative modular assembly solutions and integrated global supply chain management for power train, chassis, and tire modules with just-in-time delivery |
570 | |||
| 42 |
Highstreet Insurance Partnershsip.com
National insurance agency with 150+ partners, 2300 employees offering personal and business coverage solutions to help people pursue opportunities with confidence |
548 | |||
| 43 |
Link Engineering Companylinkeng.com
Customized solutions provider with a focus on high value, manufacturing precision equipment, offering test services, research, simulation, quality control, and cutting tools |
547 | |||
| 44 |
PVS Chemicalspvschemicals.com
A family-owned company providing safe and reliable delivery of diversified chemical products globally for a sustainable future |
540 | |||
| 45 |
Rocket Companiesrocketcompanies.com
Provides fast, trusted digital solutions for complex transactions across mortgages, fintech, real estate, automotive, and other industries. |
505 | |||
| 46 |
Novo Building Productsnovobp.com
Leading manufacturer and distributor of stair parts, mouldings, doors, and specialty millwork, along with board products, operating multiple brands Headquarters in Zeeland, Mich |
500 | |||
| 47 |
Edw. C. Levy Co.edwclevy.com
A diverse group of companies providing innovative solutions and services to industries such as steel mills, construction, mining, agriculture, and real estate development globally |
475 | |||
| 48 |
Cascade Engineeringcascadeng.com
Manufacturer and marketer with expertise in large part injection molding Offers products and consulting services across various industries, prioritizing sustainability and innovation |
466 | |||
| 49 | 460 | ||||
| 50 |
Duravent Groupduraventgroup.com
Global HVAC industry technology leader with venting system innovations, 15 locations across North America, best-in-class design, manufacturing, distribution, and customer service |
458 | |||
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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 Nov 11, 2026.
More company lists in Michigan
- The largest companies in Michigan 2,600
- Multinational companies in Michigan 468
- Manufacturers in Michigan 454
- Companies with in-house R&D in Michigan 287
- Motor Vehicle Manufacturing companies in Michigan 248
- Automotive manufacturers and suppliers in Michigan 243
- Hardware manufacturers in Michigan 238
- Education providers in Michigan 211
- Retail chains in Michigan 201
- Professional services firms in Michigan 172
- Healthcare providers in Michigan 157
- Financial services firms in Michigan 154
- Critical infrastructure operators in Michigan 150
- Hospitals and Health Care companies in Michigan 143
- Contract manufacturers in Michigan 133
- Public sector organisations in Michigan 132
- IT Services and IT Consulting companies in Michigan 129
- Family-owned companies in Michigan 120
- IT services companies in Michigan 114
- Consulting firms in Michigan 102
- Financial Services companies in Michigan 100
- Companies with a mobile app in Michigan 95
- Higher Education companies in Michigan 88
- Machinery Manufacturing companies in Michigan 80
The same list elsewhere in United States
- Corporate groups and holding companies in the United States 2,829
- Corporate groups and holding companies in California 270
- Corporate groups and holding companies in New York State 245
- Corporate groups and holding companies in Texas 238
- Corporate groups and holding companies in Florida 182
- Corporate groups and holding companies in Illinois 154
- Corporate groups and holding companies in Pennsylvania 120
- Corporate groups and holding companies in Ohio 104
- Corporate groups and holding companies in Georgia 90
- Corporate groups and holding companies in Alabama 89
- Corporate groups and holding companies in Massachusetts 87
- Corporate groups and holding companies in New Jersey 79
- Corporate groups and holding companies in Virginia 78
- Corporate groups and holding companies in North Carolina 70
- Corporate groups and holding companies in Tennessee 60
- Corporate groups and holding companies in Wisconsin 60
- Corporate groups and holding companies in Missouri 59
- Corporate groups and holding companies in Minnesota 57
- Corporate groups and holding companies in Indiana 54
- Corporate groups and holding companies in Colorado 52
- Corporate groups and holding companies in New York 152
- Corporate groups and holding companies in Houston 74
- Corporate groups and holding companies in Chicago 64
- Corporate groups and holding companies in Atlanta 47