| # | Company | Employees |
|---|---|---|
| 1 |
Cleveland Clinicmy.clevelandclinic.org
A not-for-profit academic medical center in Ohio, offering clinical care, research, and education with multiple facilities worldwide |
49,624 |
| 2 |
The Ohio State Universityosu.edu
Large public university offering extensive research opportunities and multiple regional campuses, serving as a model for Ohio's higher education system. |
30,775 |
| 3 |
University Hospitalsuhhospitals.org
Integrated healthcare provider in northern Ohio, offering hospital services, outpatient facilities, physician offices, and leading research programs. |
20,700 |
| 4 |
University of Cincinnatiuc.edu
Public research university combining academic excellence with cooperative education, producing impactful discoveries and significant regional economic contributions. |
16,727 |
| 5 |
The Ohio State University Wexner Medical Centerwexnermedical.osu.edu
Academic medical center providing personalized patient care, medical education, research innovation, and extensive healthcare services across multiple specialties. |
15,993 |
| 6 |
Ohio Universityohio.edu
Public university offering extensive undergraduate and graduate programs, recognized for research, academic quality, and character-building initiatives. |
9,763 |
| 7 |
Miami Universitymiamioh.edu
A public university emphasizing personalized instruction, liberal arts education, and a strong focus on undergraduate teaching with multiple campus locations |
9,153 |
| 8 |
Kent State Universitykent.edu
A top-tier research university offering diverse academic programs, award-winning student support services, and global opportunities for students and alumni |
8,986 |
| 9 |
Case Western Reserve Universitycase.edu
Leading research university offering nationally recognized programs in arts, sciences, engineering, medicine, law, business, and social sciences in Cleveland. |
8,529 |
| 10 |
Kettering Healthketteringhealth.org
A faith-based healthcare system providing medical care, outpatient services, and health science education through dedicated providers and medical professionals |
8,249 |
| 11 |
The University of Toledoutoledo.edu
A state university in Ohio established in 1872, offering various accredited programs and research opportunities to students |
6,836 |
| 12 |
Bowling Green State Universitybgsu.edu
A public university with over a century of history, offering high-research, nationally ranked education with a focus on serving the public good |
5,712 |
| 13 |
The MetroHealth System (Cleveland, OH)metrohealth.org
Healthcare system focusing on community health by addressing social determinants, providing integrated care, and emphasizing disease prevention alongside treatment |
5,352 |
| 14 |
The University of Akronuakron.edu
Public research university offering diverse degree programs with career-focused, experiential learning, internships, research, and support for various student groups. |
5,347 |
| 15 |
University of Daytonudayton.edu
Top-tier Catholic, Marianist research university shaping a brighter tomorrow through faith-driven commitment to the common good and community building |
5,182 |
| 16 |
Columbus City Schools - Ohioccsoh.us
Leading Ohio's largest school district since 1845, serving over 51,000 students in 109 schools, under the leadership of Superintendent Dr Angela Chaman |
5,085 |
| 17 |
Premier Health Partnerspremierhealth.com
Regional healthcare system offering hospital care, emergency services, outpatient clinics, home health, mental health, and substance abuse treatment in Southwest Ohio. |
4,992 |
| 18 |
Cleveland Metropolitan School Districtclevelandmetroschools.org
The Cleveland Metropolitan School District aims to provide high-quality education with autonomy and accountability for performance, focusing on student achievement |
4,322 |
| 19 |
Cleveland State Universitycsuohio.edu
Established in 1964, this urban research university offers over 200 academic programs to 17,000+ students and is recognized as one of America's Best Colleges |
4,317 |
| 20 |
Wright State Universitywright.edu
Provides inclusive, diverse undergraduate and graduate programs to over 11,000 students across multiple campuses with strong disability support. |
4,270 |
| 21 |
Cincinnati Public Schoolscps-k12.org
Large school district in southwest Ohio with over 66 schools, serving 36,000 students Offers high-quality educational choices and academic programs, focusing on whole child development |
4,189 |
| 22 |
Xavier Universityxavier.edu
A Jesuit Catholic university in Cincinnati offering over 90 majors, 55 minors, and 19 graduate programs to 7,000 students |
3,720 |
| 23 |
Youngstown State Universityysu.edu
An emerging urban research university offering over 135 collaborative undergraduate, graduate, and doctorate programs in Youngstown, Ohio Top three most cost-effective in Ohio |
3,559 |
| 24 |
Cuyahoga Community Collegetri-c.edu
Ohio's largest community college offering over 1,000 credit and 600 non-credit courses annually, with e-learning options and multiple campus locations |
3,536 |
| 25 |
Aultman Health Foundationaultman.org
Leading provider of healthcare services in Stark County since 1892, offering high-quality care, educational opportunities, wellness programs, and community support |
3,276 |
| 26 |
Columbus State Community Collegecscc.edu
A thriving college in Ohio with a significant impact on the local economy, offering individual attention, experienced faculty, and student support |
3,185 |
| 27 |
Toledo Public Schoolstps.org
Public school district serving over 22,000 students, focusing on rigorous curriculum and Ohio's New Learning Standards implementation. |
2,958 |
| 28 |
Akron Public Schoolsakronschools.com
A diverse school district in Akron, Ohio, offering a range of educational programs to ensure each student reaches their fullest potential |
2,856 |
| 29 |
Delta Sigma Pideltasigmapi.org
Professional business fraternity supporting personal and professional development for men and women pursuing careers in business through diverse events and high-quality training |
2,850 |
| 30 |
Sinclair Community Collegesinclair.edu
The company provides high-quality, affordable products and services that are easily accessible to customers |
2,700 |
| 31 |
Oberlin Collegeoberlin.edu
Higher education institution combining rigorous intellectual study with artistic exploration, fostering creative freedom and professional discipline for impactful learning. |
2,233 |
| 32 |
Denison Universitydenison.edu
An independent, coeducational liberal arts college focused on research, civic engagement, and fostering independent thinking for personal, professional, and civic success |
1,984 |
| 33 |
South-Western City School Districtswcsd.us
Public school district serving southwestern Columbus area, covering 119 square miles, second largest in Franklin County, Ohio. |
1,837 |
| 34 |
John Carroll Universityjcu.edu
Private Catholic Jesuit university offering undergraduate programs in liberal arts, sciences, and business, as well as selected master's level programs |
1,790 |
| 35 |
Dublin City Schoolsdublinschools.net
A school district serving over 16,000 students across 24 schools, committed to providing world-class education with a focus on excellence and equity |
1,691 |
| 36 |
Dayton Public School Districtdps.k12.oh.us
Urban school district with 12,000 preschool to high school students Recognized for excellence in arts, academics, business, athletics, and civic leadership Offering a rigorous curriculum |
1,691 |
| 37 |
Cedarville Universitycedarville.edu
Private evangelical Christian university in Ohio offering undergraduate and graduate programs with strong academics and a vibrant community. |
1,660 |
| 38 |
Baldwin Wallace Universitybw.edu
A personalized education approach focusing on individual growth, preparing students to become compassionate global citizens through dynamic programs and applied learning opportunities |
1,631 |
| 39 |
Owens Community Collegeowens.edu
Provider of over 160 career-focused programs and a six-time national athletic champion, serving as the community college for its region |
1,629 |
| 40 |
Lorain County Community Collegelorainccc.edu
Offers affordable education with over 100 programs, online degrees, arts & sports opportunities, career services, and top-notch facilities for students' success |
1,579 |
| 41 |
Ohio Northern Universityonu.edu
Established in 1871, the university offers nationally ranked liberal arts and professional programs in five colleges affiliated with the United Methodist church |
1,574 |
| 42 |
Case Western Reserve University School of Medicinecase.edu
Leading medical school with innovative education, groundbreaking research, creating physicians, scientists, and healthcare professionals, and advancing community healthcare globally and locally |
1,540 |
| 43 |
St. Xavier High Schoolstxavier.org
The company prepares young men for leadership through rigorous college preparation in the Jesuit tradition rooted in Catholic beliefs |
1,455 |
| 44 |
Franklin Universityfranklin.edu
A top private university offering accessible, affordable education to adult learners worldwide, empowering them to achieve their goals and enrich their communities |
1,439 |
| 45 |
Olentangy Local School Districtolentangy.k12.oh.us
A highly regarded school district focusing on academic excellence, student development, community partnerships, resource stewardship, and organizational learning |
1,433 |
| 46 |
The University of Findlayfindlay.edu
A leading private university in Ohio offering career-focused liberal arts education with a wide range of degrees and experiential learning opportunities |
1,372 |
| 47 |
Hilliard City School Districthilliardschools.org
A student-centered school system providing academic programs from pre-K to 12th grade, empowering graduates for success in the 21st century |
1,304 |
| 48 |
Brown Mackie Collegebrownmackie.edu
A system of schools offering career-focused college education with one course a month schedules, small class sizes, and individualized attention |
1,284 |
| 49 |
Kenyon Collegekenyon.edu
The company provides a liberal arts education to cultivate deeper understanding and purposeful lives through collaborative inquiry and informed discussions |
1,204 |
| 50 |
University of Cincinnati College of Medicinejobs.uc.edu
The company provides medical education programs, conducts research, and offers clinical care through its faculty practice group |
1,197 |
| 51 |
The College of Woosterwooster.edu
A prestigious liberal arts college offering mentored undergraduate research, with strong focus on faculty teaching commitment and comprehensive academic programs |
1,173 |
| 52 |
Otterbein Universityotterbein.edu
An inclusive community focused on educating individuals with a blend of liberal arts and professional studies, emphasizing experiential learning for personal and professional growth |
1,156 |
| 53 |
Teacher 2 Teacherteacher2teacher.us
Provider of professional development focused on Common Core State Standards, curriculum design, and instruction to increase student achievement and prepare educators for new assessments |
1,151 |
| 54 |
Westerville City Schoolswesterville.k12.oh.us
A school district in Central Ohio catering to over 14,000 students, providing education and support services |
1,145 |
| 55 |
Northeast Ohio Medical University (NEOMED)neomed.edu
Specializing in interprofessional training, the company prepares future healthcare leaders, educates aspiring physicians, and shares the NEOMED journey through various initiatives |
1,117 |
| 56 |
Ohio Wesleyan Universityowu.edu
A private undergraduate university in Delaware, Ohio, offering diverse majors, international experiences, real-world internships, NCAA sports, and community service opportunities |
1,082 |
| 57 |
Franciscan University of Steubenvillefranciscan.edu
A passionately Catholic university offering undergraduate, graduate, and online programs, educating students in a Christ-centered environment for worldwide mission |
1,077 |
| 58 |
Stark State Collegestarkstate.edu
Comprehensive community college offering high-quality, affordable education in various fields, with a focus on fostering student success and community prosperity |
1,062 |
| 59 |
The Ohio State University Fisher College of Businessfisher.osu.edu
The company, Fisher College of Business, focuses on developing innovative and entrepreneurial business leaders with a global perspective and principled leadership skills |
1,019 |
| 60 |
Tiffin Universitytiffin.edu
Established in 1888, this university offers a variety of academic programs, co-curricular activities, and a student-centered environment focused on leadership, excellence, and service |
967 |
| 61 |
Educational Service Center of Central Ohioescco.org
The company provides services to support quality educational opportunities for all students in response to the needs of partners |
939 |
| 62 |
Capital Universitycapital.edu
A private four-year university in Columbus, Ohio, providing rigorous academic programs and experiential learning opportunities rooted in the Lutheran tradition |
935 |
| 63 |
Hocking Collegehocking.edu
Hocking College offers over 50 flexible, affordable associate degree programs to students, providing hands-on learning environment to prepare for careers |
927 |
| 64 |
Central State Universitycentralstate.edu
Established in 1887, a prestigious academic institution focused on increasing baccalaureate degree holders, with expertise in emerging technologies and fine arts |
917 |
| 65 |
Lakeland Community Collegelakelandcc.edu
This company is a public college offering career and transfer programs, as well as classes to improve job skills They also provide corporate meeting facilities |
907 |
| 66 |
Goodwill Columbusgoodwillcolumbus.org
Nonprofit organization providing pathways to independence and employment for individuals with disabilities and barriers through various programs and services |
897 |
| 67 |
Mason City Schoolsmasonohioschools.com
The Mason City School District provides innovative and excellent educational opportunities for over 10,500 learners in a diverse and family-friendly community |
896 |
| 68 |
Middletown City Schoolsmiddletowncityschools.com
A school district known for strong educational programs, curriculum improvement, and a variety of teaching methods to meet students' needs and interests |
889 |
| 69 |
Notre Dame Collegenotredamecollege.edu
A Catholic college founded by the Sisters of Notre Dame, providing diverse liberal arts education with a focus on personal, professional, and global responsibility |
874 |
| 70 |
Worthington Schoolsworthington.k12.oh.us
Leading school district in Columbus, Ohio with a focus on preparing students for higher education, highly educated teaching staff, and significant employment impact |
854 |
| 71 |
The Ohio State University College of Medicinemedicine.osu.edu
A leading academic medical center offering innovative programs, training healthcare professionals, conducting cutting-edge research, and providing unique therapies to patients |
852 |
| 72 |
ACCEL Schoolsaccelschools.com
A network of over 90 high-performing charter schools advocating for school choice and addressing educational inequities with innovative models and inclusive environments |
830 |
| 73 |
University of Mount Unionmountunion.edu
Private Midwestern university offering broad-based and career-specific undergraduate and graduate programs with a student-centered approach to education, emphasizing practical experience for success |
829 |
| 74 |
Cincinnati Statecincinnatistate.edu
A technical and community college offering a variety of programs and courses Visit the LinkedIn page for more information |
825 |
| 75 |
Mount St. Joseph Universitymsj.edu
A Catholic university offering interdisciplinary liberal arts and professional programs focused on values, integrity, and social responsibility, founded by Sisters of Charity |
820 |
| 76 |
Walsh Universitywalsh.edu
An independent Catholic university offering liberal arts education with a focus on developing leaders with a values-based, international perspective |
819 |
| 77 |
NEWARK BOARD OF EDUCATION
An educational organization located in Newark, Ohio, focused on providing schooling and academic support to students in the area |
801 |
| 78 |
Wittenberg Universitywittenberg.edu
A Lutheran-affiliated liberal arts college in Southwest Ohio known for its excellent academic standards, strong athletic tradition, and welcoming atmosphere |
787 |
| 79 |
Sycamore Community Schoolssycamoreschools.org
A diverse and high-achieving school district that provides challenging educational experiences, promotes student success in college and careers, and values community partnerships |
753 |
| 80 |
Pickerington Schoolspickerington.k12.oh.us
A school district serving 12,000 students from preschool to grade 12, focusing on creating lifelong learners and responsible citizens |
752 |
| 81 |
Great Oaksgreatoaks.com
Leading organization offering career, technical education, workforce development, and economic services to individuals, businesses, and communities in southwest Ohio since 1970 |
738 |
| 82 |
Lorain City Schoolslorainschools.org
A school district dedicated to hiring passionate individuals who believe in the potential of every student and the power of education |
737 |
| 83 |
Shawnee State Universityshawnee.edu
Student-focused public university providing highly personalized, affordable, accessible education focusing on emerging technologies and ideas, with professors known by name |
719 |
| 84 |
Mount Vernon Nazarene Universitymvnu.edu
A private Christian university offering undergraduate and graduate programs, emphasizing academic excellence, spiritual growth, and community service to diverse students |
712 |
| 85 |
Columbus College of Art & Designccad.edu
Educational institution in Columbus, Ohio offering BFA and graduate programs focused on shaping culture and business through creative disciplines |
709 |
| 86 |
Cincinnati State Technical and Community Collegecincinnatistate.edu
A diverse institution offering over 100 programs, continuing education, and on-site training for businesses, with full accreditation and programmatic accreditations |
697 |
| 87 |
Muskingum Universitymuskingum.edu
Established in 1837, this institution in Ohio provides a range of degree programs to educate individuals for a global impact |
696 |
| 88 |
U.S. Air Force Institute of Technologyafit.edu
A leading institution for defense-focused graduate education and research, specializing in aerospace, space, and cyber forces technology, located at Wright-Patterson AFB |
694 |
| 89 |
Marietta Collegemarietta.edu
A private liberal arts college offering a wide range of undergraduate and graduate programs, known for its talented faculty and academic excellence |
679 |
| 90 |
Shaker Heights City School Districtshaker.org
This company manages a school district in Shaker Heights, providing education and resources to students in the local community |
672 |
| 91 |
Clark State Collegeclarkstate.edu
A public higher education institution in Ohio offering certificates, associate, and bachelor's degrees in 131 academic areas with online programs |
653 |
| 92 |
Immaculate Heart of Maryihom.org
A welcoming Catholic community centered on the Eucharist, sharing the Good News, growing in discipleship with the Lord, and serving others selflessly |
635 |
| 93 |
Hamilton County ESChcesc.org
Educational Service Center providing support in instruction, administration, personnel, finance, special education, professional development, online classes, business services, and educational products for PreK-12 schools |
633 |
| 94 |
The Centerslinktr.ee
Provider of integrated health and wellness services, family support programs, and innovative 2Gen approach to create educational success and economic prosperity in Northeast Ohio |
610 |
| 95 |
Heidelberg Universityheidelberg.edu
A vibrant learning community in Ohio offering undergraduate and graduate programs, emphasizing free inquiry and preparing students for purposeful lives |
607 |
| 96 |
Rainbow Babies and Children's Hospitaluhhospitals.org
Specialized hospital focused on providing healthcare services to babies and children, with a commitment to excellence and compassionate care |
606 |
| 97 |
Central Ohio Technical Collegecotc.edu
Technical college offering two-year degrees, one-year certificates, and specialized skills training for high-paying careers Operating four campus locations in Ohio |
605 |
| 98 |
UToledo Healthhealth.utoledo.edu
public research university providing diverse services, flexible work schedules, professional growth opportunities, and a healthy work-life balance |
602 |
| 99 |
Lourdes Universitylourdes.edu
Grounded in Franciscan values, our institution offers quality academic programs, personalized attention, and a diverse community focused on academic excellence and personal integrity |
593 |
| 100 |
Lakewood City Schoolslakewoodcityschools.org
This company provides primary and secondary education services from its location in Lakewood, Ohio, United States |
588 |
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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 Oct 24, 2026.
More company lists in Ohio
- The largest companies in Ohio 2,618
- Manufacturers in Ohio 197
- Hospitals and Health Care companies in Ohio 180
- Retail chains in Ohio 156
- Financial services firms in Ohio 114
- Higher Education companies in Ohio 109
- IT Services and IT Consulting companies in Ohio 109
- Critical infrastructure operators in Ohio 105
- Machinery Manufacturing companies in Ohio 94
- Healthcare providers in Ohio 90
- Construction companies in Ohio 89
- Contract manufacturers in Ohio 88
- Financial Services companies in Ohio 83
- Motor Vehicle Manufacturing companies in Ohio 81
- Family-owned companies in Ohio 81
- Hardware manufacturers in Ohio 76
- Retail companies in Ohio 73
- Insurance companies in Ohio 72
- Public sector organisations in Ohio 70
- Real Estate companies in Ohio 67
- Manufacturing companies in Ohio 66
- Education Administration Programs companies in Ohio 64
- SaaS companies in Ohio 64
- Automotive manufacturers and suppliers in Ohio 58
The same list elsewhere in United States
- Education providers in California 498
- Education providers in New York State 317
- Education providers in Texas 291
- Education providers in Pennsylvania 179
- Education providers in Illinois 176
- Education providers in Massachusetts 160
- Education providers in Florida 135
- Education providers in Georgia 119
- Education providers in Virginia 118
- Education providers in North Carolina 114
- Education providers in Michigan 113
- Education providers in Alabama 99
- Education providers in Washington State 94
- Education providers in Maryland 93
- Education providers in New Jersey 89
- Education providers in Arizona 86
- Education providers in Minnesota 81
- Education providers in Indiana 79
- Education providers in Missouri 70
- Education providers in Wisconsin 70
- Education providers in Tennessee 65
- Education providers in Colorado 62
- Education providers in New York 136
- Education providers in Washington 61