| # | Company | Employees |
|---|---|---|
| 1 |
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 |
| 2 |
Masco Corporationmasco.com
A global leader in home improvement and building products, enhancing living spaces worldwide with brands like Behrยฎ, Deltaยฎ, and Kichlerยฎ |
10,317 |
| 3 |
Pet Supplies Pluspetsuppliesplus.com
Pet Supplies Plus provides a wide range of natural pet products, services, and friendly in-store experiences across 41 states |
5,309 |
| 4 | 2,259 | |
| 5 |
Caresoft Globalcaresoftglobal.com
Global engineering solutions company partnering with automotive and equipment manufacturers to address product development, cost optimization, manufacturing, and aftermarket needs with specialized expertise and experience |
1,820 |
| 6 |
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 |
| 7 |
Schoolcraft Collegeschoolcraft.edu
Public two-year college offering over 130 programs, flexible learning formats, career services, and community professional development in Southeast Michigan. |
1,334 |
| 8 |
Escalentescalent.co
A data analytics and advisory firm guiding leading brands in various industries through market insights to drive growth and transformation |
1,315 |
| 9 |
NYX Inc.nyxinc.com
Market-leading provider of automotive interior and under-hood solutions, designing, developing, and manufacturing products for the automotive industry worldwide |
1,182 |
| 10 |
Altran Engineering Solutionsaltranengineeringsolutions.com
Global engineering solutions provider offering services in transportation, consumer, industrial, and medical sectors Specializing in embedded systems, design, prototyping, testing, and manufacturing |
1,090 |
| 11 |
Madonna Universitymadonna.edu
A Catholic and Franciscan university with a global alumni network, providing education that empowers graduates to serve others and excel in their professions |
1,087 |
| 12 |
AAA Life Insurance Companyaaalife.com
Providing financial security and peace of mind to AAA members through life insurance products, exceptional customer service, and innovative solutions |
1,058 |
| 13 |
Livonia Public Schoolslivoniapublicschools.org
Livonia Public Schools provides quality education to over 14,000 students and offers competitive compensation, stable budgets, and continuous professional development for staff |
1,053 |
| 14 |
Alta Equipment Companyaltg.com
Leading provider of industrial forklifts, heavy construction equipment, and warehouse solutions in the Midwest, offering outstanding service, diverse products, rental fleet, and maintenance options |
883 |
| 15 |
OHM Advisorsohm-advisors.com
AEP firm specializing in community advancement through multidisciplinary teamwork in architecture, engineering, and planning Award-winning work creating great places |
754 |
| 16 |
Market Strategies Internationalescalent.co
Escalent is a global market research firm offering brand, customer experience, and product development research services to various industries |
652 |
| 17 |
Thirdware Solution INCthirdware.com
Providing consulting, design, development, implementation, and support for RPA, ERP, and EPM solutions to global enterprises. |
647 |
| 18 |
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 |
| 19 |
WorkForce Software, an ADP companyworkforcesoftware.com
provides enterprise-grade workforce management solutions integrating payroll, compliance, and employee engagement to optimize global workforce performance and resilience |
577 |
| 20 |
Info Servicesinfoservices.com
Info Services provides transformative cloud native, IoT, big data, and enterprise software solutions through staff augmentation and scope-based engagements for holistic business growth |
447 |
| 21 |
HDT Automotive Solutionshdt-auto.com
A global organization with diverse expertise in manufacturing reliable, innovative components, and assemblies, focusing on customer satisfaction through lean principles and continuous innovation |
433 |
| 22 |
Olga's Kitchenolgas.com
Serving fresh, hand-crafted Mediterranean-inspired dishes with local ingredients, supporting community fundraising and maintaining a strong Michigan and Illinois presence. |
429 |
| 23 |
Trinity Health Senior Communitiestrinityhealthseniorcommunities.org
Non-profit organization offering senior housing, nursing care, independent and assisted living, memory care, rehabilitation services, and personalized amenities for seniors |
425 |
| 24 |
RAM Construction Servicesramservices.com
A well-established waterproofing and restoration contractor with expertise in revitalizing aging structures, completing over 2,000 projects annually across the Midwest |
388 |
| 25 |
City of Livonialivonia.gov
Livonia, Michigan offers a diverse array of residential, recreational, and commercial opportunities in a safe and family-friendly environment with low property taxes |
385 |
| 26 |
Valassis Digitalvalassis.com
A marketing technology company leveraging predictive intelligence to help brands engage with consumers and drive growth across all channels |
358 |
| 27 |
Trinity Health At Hometrinityhealthathome.org
A leader in home care, palliative care, and hospice care, providing quality and compassionate services to individuals with a focus on holistic well-being |
353 |
| 28 |
Fetch! Pet Carefetchpetcare.com
Nation's leading in-home pet care franchise with over 115 locations in the US, providing love and care for pets just like their owners |
351 |
| 29 |
Rainbow Rehabilitation Centersneurorestorative.com
Specializes in brain and spinal cord injury recovery and rehabilitation with residential, treatment, vocational, and outpatient services for adults and children |
254 |
| 30 |
Prism Specialtiesprismspecialties.com
Prism Specialties specializes in contents restoration services, offering expert restoration for electronics, art, documents, and textiles with exceptional customer service |
236 |
| 31 |
Angela Hospiceaskforangela.com
Providing comprehensive and compassionate home care services to adults and children in local communities with a focus on Christlike care |
171 |
| 32 |
E-ITeitprofessionals.com
A trusted IT recruitment and staffing organization since 1999, providing specialized solutions to clients worldwide with a proven track record |
170 |
| 33 |
Howard Ternes Packaging Coternespkg.com
A third-party packaging company in Livonia, Michigan that specializes in packaging solutions for various industries in the United States |
164 |
| 34 |
Trinity Health PACEtrinityhealthpace.org
This company offers comprehensive medical, health, recreational, and social services designed for elderly individuals to promote independence and allow them to live at home |
153 |
| 35 |
Livonia Central School Districtlivoniacsd.org
Education management services provider in Livonia, New York, overseeing operations and resources for educational programs within the district |
151 |
| 36 |
TEAM Schostak Family Restaurantsteamschostak.com
A Michigan-based family-owned restaurant group with a diverse portfolio of casual dining brands, creating job opportunities and careers while delighting guests |
147 |
| 37 |
Zeal Credit Unionzealcu.org
A non-profit financial institution serving Metro Detroit with superior ratings, community focus, better rates, and 24/7 banking services |
140 |
| 38 |
Sigma Groupsigmaintl.com
Global manufacturer specializing in automotive decorative trim using injection molding, plating, painting, and LED technologies Offering design-to-production services worldwide with multiple operations |
96 |
| 39 |
Anglin Civilanglincivil.com
A leading supplier of earthmoving services with a dedicated team focused on providing superior work product and cost-effective solutions |
78 |
| 40 |
AlphaUSAalphausa.com
A high-volume commodity manufacturer evolving into an engineering-based manufacturer Providing value-added assemblies, fasteners, and washers for various industries worldwide |
68 |
| 41 |
Qualigence Internationalqualigence.com
Full-service talent partner specializing in recruiting, retaining, and developing top talent for Fortune 500 businesses and smaller organizations |
66 |
| 42 |
Midway Dentalmidwaydental.com
A comprehensive dental provider offering quality supplies and equipment with a focus on personalized service and strong client relationships |
64 |
| 43 |
+Vantage Corporationvantage-corp.com
Specializing in advanced manufacturing, automation, and measuring systems, we design custom solutions to optimize production output and safeguard product quality |
58 |
| 44 |
HR Performance Solutionshrperformancesolutions.net
This company provides purpose-driven compensation and performance management software, along with industry-leading consultants, to support HR professionals and drive HR innovation |
43 |
| 45 |
FPT North Americafptindustrie.com
A leading manufacturer of CNC milling and boring machines for the mechanical and Die & Mold industry, known for technology, accuracy, and reliability worldwide |
36 |
| 46 |
Linear AMSlinearams.com
A customer-focused partner for plastics mold tooling and production, offering engineering/design, quick production times, troubleshooting, mold flow analysis, and full machine shop capabilities |
13 |
| 47 |
Spark Building Energy Solutions LLCsparkbuildingenergy.com
Specializing in energy assessments, management, solar PV, storage systems, charging stations, PACE financing, and energy modeling for commercial and industrial clients |
2 |
| 48 |
Turing Solutions LLCTuringSolutions.ai
A global company with three divisions - TuringMinds, TuringLabs, and TuringTwins, providing diverse solutions and services on a global scale |
2 |
Turn this list into pipeline
Tamtam finds the decision-makers at every company on a list like this one, with verified emails, phone numbers and the buying signals that tell you when to reach out.
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