| # | Company | Employees |
|---|---|---|
| 1 |
Krogerkroger.com
Operates thousands of grocery stores, manufacturing plants, and distribution centers to provide affordable fresh food, dairy, and meat products through retail and e-commerce. |
465,000 |
| 2 |
Procter & Gamblepg.com
Designs, develops, and sells a wide range of iconic consumer goods brands worldwide, improving daily life for billions of consumers through innovative products. |
92,610 |
| 3 |
The Wendy's Companywendys.com
Serves made-to-order square hamburgers, fresh salads, chili, and Frosty desserts across 7,000+ restaurants globally, also supporting adoption initiatives. |
73,218 |
| 4 |
Parker Hannifinparker.com
Global leader in motion and control technologies, enabling engineering breakthroughs for a better tomorrow Diversified company providing vital products for various industries worldwide |
56,000 |
| 5 |
Sherwin-Williamssherwin-williams.com
Global supplier of paints, coatings, and related products with extensive distribution network and diverse, innovative workforce worldwide. |
49,925 |
| 6 |
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 |
| 7 |
Cardinal Healthcardinalhealth.com
Distribution of pharmaceuticals, specialty products, home-health supplies, nuclear pharmacy operations, manufacturing, and providing performance and data solutions globally. |
48,000 |
| 8 |
Progressive Insuranceprogressive.com
Offering diverse insurance products including auto, home, renters, and commercial policies with a supportive, inclusive workplace culture. |
37,372 |
| 9 |
GE Aerospacegeaerospace.com
A global provider of jet and turboprop engines, components, and systems for various types of aircraft, enhancing the world through flight |
37,191 |
| 10 |
Bath & Body Worksbbwinc.com
Global leader in personal care and home fragrance products, offering fine fragrance mists, lotions, candles, and soaps through stores and online. |
33,920 |
| 11 |
Bon Secours Mercy Healthbsmhealth.org
Operates 48 hospitals and thousands of providers across seven states and Ireland, focusing on quality, safety, and cost-effective healthcare delivery. |
32,495 |
| 12 |
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 |
| 13 |
The Goodyear Tire & Rubber Companygoodyear.com
Global tire manufacturer with 57 facilities in 23 countries, employing 72,000 people Leading innovation through state-of-the-art products and services |
30,571 |
| 14 |
Cintascintas.com
A Fortune 500 company specializing in providing a wide range of products and services to help businesses prepare for the workday |
30,472 |
| 15 |
Victoria鈥檚 Secret & Co.victoriassecret.com
Specialty retailer offering bras, lingerie, sleepwear, athleisure, swimwear, fragrances, and body care supporting diverse women globally. |
30,271 |
| 16 |
Abercrombie & Fitch Co.abercrombie.com
Global omnichannel specialty retailer providing quality apparel and accessories for kids through millennials across diverse brands through physical stores and digital platforms. |
29,375 |
| 17 |
Fifth Third Bank53.com
Diversified financial services company providing commercial and branch banking, consumer lending, and wealth management through a network of regional financial centers and ATMs. |
25,396 |
| 18 | 23,230 | |
| 19 |
Avery Dennisonaverydennison.com
A global materials science company providing digital identification solutions for various industries, optimizing efficiency, sustainability, and customer experience worldwide |
22,063 |
| 20 |
University Hospitalsuhhospitals.org
Integrated healthcare provider in northern Ohio, offering hospital services, outpatient facilities, physician offices, and leading research programs. |
20,700 |
| 21 |
Diebold Nixdorfdieboldnixdorf.com
This company specializes in automating and digitizing banking and shopping experiences, offering cutting-edge technology solutions for financial and retail customers worldwide |
20,523 |
| 22 |
Huntington National Bankhuntington.com
Regional financial services holding company offering banking, payments, wealth management, and risk products for individuals, businesses, and municipalities through numerous branches and community initiatives. |
20,037 |
| 23 |
University Hospitals Connor Integrative Health Networkuhhospitals.org
A healthcare provider offering integrative medicine therapies that address physical, emotional, mental, social, spiritual, and environmental factors for holistic healing and optimal health |
19,900 |
| 24 |
Speedwaycareers.7-eleven.com
Convenience store retail operations across the U.S., primarily Midwest and East Coast, with extensive store network after acquisition. |
19,175 |
| 25 |
First Studentfirststudentinc.com
Leading pupil transportation provider in North America, offering safe and reliable transportation solutions for school districts through partnerships, engagement, and highly-trained drivers |
19,039 |
| 26 |
Vertivvertiv.com
Vertiv provides integrated hardware, software, and services for data centers, communication networks, and industrial facilities worldwide, ensuring continuous and optimal performance |
18,315 |
| 27 |
Big Lotsbiglots.com
A discount retailer with 1,400 stores in 47 states, offering a variety of products including furniture, food, electronics, and toys |
17,559 |
| 28 |
Total Quality Logisticstql.avature.net
Connecting customers with truckload freight and quality carriers, providing 24/7 support and career advancement opportunities in logistics brokerage. |
17,287 |
| 29 |
Marathon Petroleum Corporationmarathonpetroleum.com
Operates the nation's largest refining system, markets petroleum products, and manages midstream assets for gathering, processing, and transportation. |
17,048 |
| 30 |
University of Cincinnatiuc.edu
Public research university combining academic excellence with cooperative education, producing impactful discoveries and significant regional economic contributions. |
16,727 |
| 31 |
Dana Incorporateddana.com
Develops and advances drive and motion systems, thermal and sealing technologies, and power management for traditional, hybrid, and electric vehicles worldwide. |
16,617 |
| 32 |
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 |
| 33 |
OhioHealthohiohealth.com
A nationally recognized, not-for-profit health system with 14 hospitals and 200+ care sites, focused on improving health and wellbeing |
15,284 |
| 34 |
Mercy Healthmercy.com
Provides compassionate, high-quality healthcare across Ohio and Kentucky with a large network of employees and numerous care points. |
14,380 |
| 35 |
Hollister Co.corporate.abercrombie.com
Designs and sells casual apparel, accessories, and fragrances focused on capturing moments and expressing individual style worldwide. |
14,359 |
| 36 |
American Electric Poweraep.com
The company is focused on reducing carbon footprint, empowering communities, developing workforce, shifting to clean energy sources, and building stronger communities for the future |
13,166 |
| 37 |
Nationwide Children's Hospitalnationwidechildrens.org
Provides advanced pediatric medical care, conducts leading research, trains specialists, and offers specialized programs in heart, cancer, and neonatology. |
12,575 |
| 38 |
EXPRESSexpress.com
multichannel fashion brand offering modern, confident, and effortless clothing for work, everyday, and special occasions through stores and online |
11,919 |
| 39 | 11,873 | |
| 40 |
Owens Corningowenscorning.com
Global leader in durable, sustainable building products focused on energy efficiency and material innovation to support customer growth. |
11,279 |
| 41 |
STERISsteris.com
Provides infection prevention, procedural products, and services for healthcare, pharmaceutical, and medical device customers globally, aiming for a healthier, safer world. |
11,156 |
| 42 |
L Brandsbbwinc.com
Focus on personal care and beauty products, with a strong emphasis on Bath & Body Works and Victoria鈥檚 Secret brands. |
9,897 |
| 43 |
ProMedicapromedica.org
A not-for-profit health organization offering acute and ambulatory care, insurance, post-acute services, academic programs, and various healthcare facilities and services |
9,864 |
| 44 |
Ohio Universityohio.edu
Public university offering extensive undergraduate and graduate programs, recognized for research, academic quality, and character-building initiatives. |
9,763 |
| 45 |
Bendix Commercial Vehicle Systems LLCbendix.com
Development and supply of active safety technologies, energy management, and air brake systems for medium and heavy commercial vehicles. |
9,354 |
| 46 |
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 |
| 47 |
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 |
| 48 |
Staffmarkstaffmark.com
Staffing company focused on matching jobs with exceptional people, delivering top customer satisfaction with industry-leading service quality Join us today! |
8,923 |
| 49 |
Worldpayworldpay.com
Global payment processing solutions enabling businesses to accept payments worldwide in-person and online, in multiple currencies and markets, offered by leading technology provider |
8,838 |
| 50 |
DSW Designer Shoe Warehousedesignerbrands.com
Designs, produces, and retails footwear and accessories through direct-to-consumer channels and wholesale distribution across North America and internationally. |
8,699 |
| 51 | 8,651 | |
| 52 |
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 |
| 53 |
Crown Equipment Corporationcrown.com
A global leader in material handling, offering innovative forklifts, automation, and fleet management technologies to improve performance and reduce operating costs |
8,469 |
| 54 |
Bob Evans Farms, Inc.bobevansgrocery.com
Production and distribution of refrigerated and frozen farm-inspired food products including dinner sides, breakfast items, and sausage brands nationwide. |
8,406 |
| 55 |
The Timken Companytimken.com
Designs and manufactures engineered bearings and industrial motion products, providing innovative, reliable solutions for diverse global industries. |
8,288 |
| 56 |
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 |
| 57 |
Parker Aerospaceparker.com
Global leader in research, design, manufacture, and service of aerospace systems and components for various markets worldwide Specializes in flight control, hydraulic, and thermal management technologies |
8,030 |
| 58 |
Cleveland-Cliffsclevelandcliffs.com
Leading North American steel producer with vertical integration from raw materials to steel production, serving automotive and other industries with flat-rolled steel products |
7,867 |
| 59 |
Marco's Pizza (Marco's Franchising, LLC)marcosfranchising.com
A fast-growing pizza brand founded in 1978, known for high-quality pizza made from scratch dough and fresh cheeses, with over 1,200 locations nationwide |
7,864 |
| 60 |
HCR ManorCarearden-courts.com
A not-for-profit integrated healthcare organization providing short-term, long-term care, memory care, home health, hospice services, with a focus on improving health and well-being |
7,697 |
| 61 |
Signet Jewelerssignetjewelers.com
The world's largest diamond and specialty jewelry retailer, operating under various brand names, prioritizing people, diversity, equity, inclusion, and empowerment |
7,565 |
| 62 |
The Lubrizol Corporationlubrizol.com
A global corporation focused on sustainable solutions through advanced science, impacting billions of lives worldwide with products for cleaner, smarter living |
7,113 |
| 63 |
Safelitesafelite.com
Specializes in auto glass repair, replacement, and vehicle safety system recalibration, focusing on customer service and employee empowerment. |
7,112 |
| 64 |
TriHealthtrihealth.com
A comprehensive healthcare provider offering a full range of services, including prevention, wellness, education, and acute care through multiple locations in Cincinnati |
7,070 |
| 65 |
Emerson Network Powervertiv.com
Global leader in critical infrastructure technologies & services for ICT systems Offers hardware & software solutions for power, thermal, & infrastructure management to create efficient networks |
6,993 |
| 66 |
The University of Toledoutoledo.edu
A state university in Ohio established in 1872, offering various accredited programs and research opportunities to students |
6,836 |
| 67 |
JOANN Storescareers.michaels.com
Crafting a happy, handmade world by inspiring creativity and community through trend forecasting, store planning, and caring assistance Join us in creating your happy place |
6,762 |
| 68 |
CareSourcecaresource.com
A transformative health care provider prioritizing members' well-being, offering coverage to millions with a focus on improving health and making a difference in communities |
6,620 |
| 69 |
LensCrafterslenscrafters.com
Provides optical care, pairing technology with a personal approach, centered around sight, ensuring quality experience for patients and customers, part of EssilorLuxottica. |
6,536 |
| 70 |
CrossCountry Mortgage, LLCcrosscountrymortgage.com
Nationwide mortgage lender providing fast, clear home loans with strong community focus, dedicated team, and philanthropic efforts. |
6,454 |
| 71 |
Medpacemedpace.com
Global CRO accelerating drug, biologic, and medical device clinical development through high-science expertise in various therapeutic areas worldwide |
6,421 |
| 72 |
AML RightSourceamlrightsource.com
Provides trained professionals for Anti-Money Laundering, Bank Secrecy Act, and financial crimes compliance, including transaction monitoring and due diligence. |
6,341 |
| 73 |
UC Healthuchealth.com
Top clinicians and researchers providing world-class, compassionate healthcare through advanced clinical services, teaching, innovation, and research in Cincinnati. |
6,134 |
| 74 |
TravelCenters of Americata-petro.com
A nationwide network of travel centers offering fuel, truck services, dining options, merchandise, and parking to enhance the road trip experience |
6,057 |
| 75 |
Battellebattelle.org
A science and technology company solving critical issues through research, development, manufacturing, and services for government and commercial clients worldwide |
6,013 |
| 76 |
M/I Homes, Inc.mihomes.com
A national leader in home building, known for quality, superior design, whole home building standards, financial services and transferable warranty Serving various housing markets |
5,993 |
| 77 |
Thirty-One Giftsmythirtyone.com
A rapidly growing direct-selling company empowering women to run their own businesses as consultants, offering unique gift products to customers |
5,912 |
| 78 |
Ensemble Health Partnersensemblehp.com
Manages over $29 billion in net patient revenue, partners with health systems to provide financial solutions, maximizes technology, and improves cash collections |
5,836 |
| 79 |
Lincoln Electriclincolnelectric.com
Global leader in arc welding, robotic welding systems, plasma and oxyfuel cutting equipment, brazing and soldering alloys manufacturing and support. |
5,764 |
| 80 |
NetJetsnetjets.com
Revolutionizing private jet travel with shared ownership, diverse fleet, and personalized solutions for discerning travelers, backed by Berkshire Hathaway's stability |
5,750 |
| 81 |
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 |
| 82 |
Summa Healthsummahealth.org
Integrated healthcare system in Ohio with hospitals, health centers, health plan, research, and foundations, known for patient care excellence and innovative approaches |
5,630 |
| 83 |
Tradesmen Internationaltradesmeninternational.com
Tradesmen International provides skilled craftsmen and labor consulting services to contractors in various industries, offering custom staffing solutions and workforce optimization |
5,609 |
| 84 |
The J.M. Smucker Co.jmsmucker.com
Leading North American company offering trusted coffee, spreads, baked goods, and pet food brands for consumers and their families. |
5,473 |
| 85 |
American Greetingscorporate.americangreetings.com
A global leader in the Celebrations marketplace, offering products online and in-store to help people celebrate holidays and special moments |
5,467 |
| 86 |
The Reynolds and Reynolds Companyreyrey.com
provider of software, services, and forms for automobile dealerships to improve operations and enhance customer experience |
5,440 |
| 87 |
The E.W. Scripps Companyscripps.com
Diversified media company operating local TV stations, national news outlets, and entertainment brands, delivering quality journalism and popular programming nationwide. |
5,436 |
| 88 |
US Acute Care Solutionsusacs.com
A national leader in physician-owned integrated acute care services, providing high-quality care to millions of patients annually at over 500 programs |
5,376 |
| 89 |
Wendy's (Pertoria, Inc.)wendysnwo.com
A local company operating six Wendy's restaurants in Northwest Ohio, focusing on providing great food, excellent customer service, and community involvement |
5,367 |
| 90 | 5,352 | |
| 91 |
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 |
| 92 |
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 |
| 93 |
The Christ Hospital Health Networkthechristhospital.com
Regional healthcare system providing integrated, individualized care through extensive physician network, advanced specialties, and patient-focused wellness services in Cincinnati. |
5,300 |
| 94 |
Akron Children'sakronchildrens.org
Largest pediatric healthcare system in Northern Ohio providing compassionate, high-quality care through hospitals, regional centers, and specialty locations. |
5,264 |
| 95 |
Western & Southern Financial Groupwesternsouthern.com
Group of companies providing life insurance, investment advisory, brokerage services, and real estate management across multiple sectors. |
5,199 |
| 96 |
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 |
| 97 |
White Castlewhitecastle.com
Family-owned fast-food chain since 1921, known for iconic Sliders, operating 350+ restaurants and retail division, with commitment to quality and innovation |
5,169 |
| 98 |
Belcanbelcan.com
Global provider of engineering, manufacturing, workforce, and IT solutions for aerospace, defense, automotive, industrial, and private sector clients for over 60 years |
5,115 |
| 99 |
R+L Carriersrlcarriers.com
A family-owned global freight transportation and logistics company based in the US, offering LTL, truckload, expedited shipping, and international supply chain services |
5,102 |
| 100 |
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 |
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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
- Manufacturers in Ohio 197
- Hospitals and Health Care companies in Ohio 180
- Retail chains in Ohio 156
- Financial services firms in Ohio 114
- Education providers in Ohio 112
- 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
- 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 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 Arizona 1,449
- 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