| # | Company | Employees |
|---|---|---|
| 1 |
Progressive Insuranceprogressive.com
Offering diverse insurance products including auto, home, renters, and commercial policies with a supportive, inclusive workplace culture. |
37,372 |
| 2 |
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 |
| 3 |
Great American Insurance Groupgreatamericaninsurancegroup.com
An established insurance group offering specialized solutions for niche markets with strong financial stability and a history of excellence Company based in Cincinnati, Ohio |
4,934 |
| 4 |
The Cincinnati Insurance Companiescinfin.com
Property casualty insurance group offering business, home, auto, life, and disability insurance through independent agencies across 46 states. |
4,931 |
| 5 |
Medical Mutualmedmutual.com
Provides diverse health, life, disability, dental, vision, and indemnity plans, including fully insured, self-funded group, Medicare, and individual plans. |
3,216 |
| 6 |
The Western and Southern Life Insurance Companywesternsouthern.com
Providing simple and practical financial solutions for middle-market clients with a focus on long-term relationships, financial stability, and excellence |
1,616 |
| 7 |
State Auto Insurancestateauto.com
A pioneering and innovative insurance company with a strong commitment to customers, agents, associates, and communities, leveraging technology for success |
1,599 |
| 8 |
Grange Insurancegrangeinsurance.com
An insurance company based in Columbus, Ohio, empowering customers' best lives with valuable products and hassle-free services through independent agents |
1,548 |
| 9 |
Hylanthylant.com
A leading full-service insurance brokerage with nationwide presence, offering risk management, employee benefits, wellness strategies, insurance solutions for businesses and individuals |
1,329 |
| 10 |
AmTrust North AmericaAmTrustFinancial.com
Provider of workers' compensation and commercial insurance to small and mid-sized businesses in niche markets through independent agents A subsidiary of multinational insurer |
1,319 |
| 11 |
Root Inc.joinroot.com
A disruptive force in the insurance industry, pioneering FinTech solutions for fair, simple, personalized insurance products and technology platforms |
1,199 |
| 12 |
American Modern Insurance Grouppolicyholders.amig.com
specialty insurance solutions for classic cars, motorcycles, boats, rental properties, vacant homes, vacation homes, and manufactured homes |
1,158 |
| 13 |
Encova Insuranceencova.com
Insurance provider offering commercial, auto, and home insurance through 2,000+ independent agencies in 27 states, with over $1 billion in premiums |
885 |
| 14 |
Bristol West Insurance Groupbristolwest.com
A private passenger automobile insurance provider offering policies in 43 states, part of one of the largest property and casualty insurer groups in the US |
814 |
| 15 |
Safelite Solutionssafelitesolutions.com
A leading provider of comprehensive claims management solutions for insurance and fleet businesses, with a focus on customer service and customization |
814 |
| 16 |
National Interstate Insurance Companynatl.com
A leading provider of insurance solutions for commercial transportation industries nationwide, offering innovative products, superior financial strength, and personalized support |
733 |
| 17 |
Core Specialty Insurance Holdings, Inc.corespecialty.com
Specialty insurer offering property, casualty, and marine insurance for small to mid-sized businesses Emphasizing fast, efficient solutions and dedicated underwriting expertise |
682 |
| 18 |
Central Insurancecentral-insurance.com
A property and casualty group with a strong foundation of core values, committed to excellence and integrity, with over $1 billion in assets |
672 |
| 19 |
EyeMed Vision Careeyemed.com
Provider of extensive vision insurance benefits with a large network of providers, focusing on member experience and charitable vision care access. |
619 |
| 20 |
Oswald Companiesoswaldcompanies.com
Established in 1893, employee-owned insurance brokerage firm partnering with Assurex Global, providing risk management services to clients in the US and worldwide |
609 |
| 21 |
Paramount Health Careparamounthealthcare.com
A locally owned health insurance company in Ohio, focused on improving health and well-being through compassion, innovation, teamwork, and excellence |
540 |
| 22 |
Panamerican Life Copalig.com
An insurance company in Northfield, Ohio provides financial protection to individuals and businesses in the United States |
469 |
| 23 |
Sedgwick Claims Management Services, Inc.sedgwickcms.com
A company acquired by Marsh & McLennan in 1998 and later sold to Axis Capital in 2001, involved in the insurance industry |
374 |
| 24 |
Gamma Iota Sigmagammaiotasigma.org
A 501c3 educational organization promoting careers in insurance, risk management, and actuarial science through programs and partnerships for students |
363 |
| 25 |
Western Reserve Groupwrg-ins.com
The company operates through independent insurance agents, offering property and casualty insurance products to households, farms, and businesses in Ohio & Indiana |
353 |
| 26 |
Motorists Insurance Groupencova.com
A super-regional insurance carrier offering property, casualty, life, and workers' compensation coverage through independent agents across 29 states |
344 |
| 27 |
Bucklew & Associates, LLC: Allstate Insurancebucklewinsurance.com
A local Allstate Agency in Ohio specializing in Auto, Property, Life, and Business Insurance, dedicated to providing top-class service and informing customers |
334 |
| 28 |
Bucklew Insurancebucklewinsurance.com
A specialized insurance agency in Springboro, Ohio offering auto, home, life, retirement, and commercial insurance to protect clients from risks |
330 |
| 29 |
Branchourbranch.com
Innovating home and auto insurance to make it affordable, easy to purchase, and more accessible, while focusing on community and company culture |
326 |
| 30 |
McGohan Brabendermcgohanbrabender.com
An independent health benefits leader offering innovative solutions to control costs and combat chronic disease in the workplace, with national presence and simplified navigation |
324 |
| 31 |
Strategic Compstrategiccomp.com
A company offering a new model for workers' comp, empowering businesses with control over costs, risk reduction, and efficient claims management |
322 |
| 32 |
Newyork Life Insurance Co
The company offers life insurance and fixed annuities through their agents to help clients secure their financial future |
313 |
| 33 | 308 | |
| 34 |
AultCareaultcare.com
This company administers health benefit payment services for employers, offering medical, dental, vision, disability, workers' compensation, and Medicare Advantage plans |
284 |
| 35 |
The McGowan Companiesmcgowancompanies.com
A leading insurance and financial services organization offering unparalleled products, premiums, and service through a family of specialized insurance operations |
280 |
| 36 |
Bold Penguinboldpenguin.com
An integrated digital solution platform simplifying commercial insurance by making the quote and bind process quick, effortless, and profitable for all parties involved |
244 |
| 37 |
Integrity Insuranceintegrityinsurance.com
A growing property & casualty carrier in Iowa, Minnesota, and Wisconsin, affiliated with Grange Insurance and known for financial strength and customer satisfaction |
215 |
| 38 |
Vanliner Insurance Companycareers.vanliner.com
Specializing in insurance for the moving and storage industry, providing top-notch products and customer service with an A+ rating and industry recognition |
186 |
| 39 |
HAUSERthehausergroup.com
Full-service risk management, benefits, and insurance solutions provider specializing in private equity transactions, offering expertise in due diligence, transactional support, and brokerage |
182 |
| 40 |
Marsh McLennan Agency - Midwestmarshmma.com
A leading brokerage firm offering business insurance, employee benefits, retirement planning, and private client insurance solutions with a global reach |
181 |
| 41 |
Roundstoneroundstoneinsurance.com
Innovative employee health benefits company helping small and midsize organizations self-fund health insurance through a group medical captive for cost savings and risk sharing |
174 |
| 42 |
Century Insurance Groupcenturysurety.com
Specialty insurer providing general liability, commercial property, and multi-peril insurance for small and mid-sized businesses through excess and surplus lines |
170 |
| 43 |
Selman & Companyselmanco.com
An innovative company providing insurance administrative services to various clients with a diverse workforce dedicated to delivering extraordinary service |
168 |
| 44 |
CareWorksCompcareworks.com
Specializing in workers' compensation cost management for clients located in state fund states, focusing on reducing expenses and maximizing efficiency |
153 |
| 45 |
Hummel Grouphummelgrp.com
Full-line insurance and financial services agency with 8 offices in Ohio and Indiana, helping clients manage risk through insurance and financial strategies |
131 |
| 46 |
Dawson Companieslocations.ajg.com
An insurance and risk management firm that partners with clients to analyze risks, create benefit programs, and protect their bottom line |
109 |
| 47 |
The Fedeli Groupthefedeligroup.com
Specialized insurance brokerage and consulting firm offering innovative products, high-level risk management, and expert counsel in various coverage areas |
108 |
| 48 |
HUB Heartlandhoranassoc.com
A leading global insurance broker and financial services firm, providing tailored solutions and advocacy through a vast network of experts |
105 |
| 49 |
battlefacebattleface.com
A global company offering customizable travel insurance products and services with user-friendly technology, personalized benefits, and responsive customer service |
64 |
| 50 |
Stapleton Insurance Groupstapletoninsurance.com
A leading insurance group specializing in property/casualty and employee benefit risk management with personalized, tailored services for long-term clients |
58 |
| 51 |
Overmyer Hall Associatesoh-ins.com
A client-focused insurance agency offering innovative solutions, quality products, competitive pricing, and professional service, emphasizing long-lasting and honest relationships |
44 |
| 52 |
Lang Financial Group, Inc.langgroup.com
Providing health insurance, 401(k) retirement planning, disability, long-term care, and life insurance services for companies and their employees in the Midwest |
41 |
| 53 |
Assurex Globalassurexglobal.com
A global commercial insurance, risk management, and employee benefits brokerage group formed by over 100 respected insurance brokers |
40 |
| 54 |
Taylor Oswaldtayloroswald.com
A forward-thinking firm specializing in risk management across property & casualty, employee benefits, personal insurance, retirement plans, and more |
28 |
| 55 |
Unity Financial Life Insuranceuflife.com
This company has been providing life insurance and annuities for over 50 years to help families preplan funerals and navigate Medicaid eligibility |
28 |
| 56 |
Insurance Office of Central Ohioiocofrp.com
Experienced insurance agency providing personalized risk management solutions with national capabilities and a focus on quality advice and customer service |
23 |
| 57 |
Benefits Network Insurance Agencybninsurance.com
A leading Ohio-based Health and Life Insurance Agency with over 30 years of experience, serving 2000+ groups and $100M+ in annual premiums |
23 |
| 58 |
The Wiseman Agency, Inc.wisemanagency.com
Offering a range of personal and commercial insurance services, as well as financial planning solutions including college planning, annuities, and retirement planning |
23 |
| 59 |
Global Underwriters Agency, Inc.globalunderwriters.com
A renowned provider of international health, life, and property & casualty insurance products for individuals and groups worldwide for over 50 years |
22 |
| 60 |
Diversified Brokerage Specialists, Inc.dbs50.com
Specializing in life, disability income, and long term care insurance, we assist agents in developing and selling insurance cases with competitive products and services |
19 |
| 61 |
Marsh McLennan Agency, formally known as Kinker Eveleigh Insurancemarshmma.com
This company offers a wide range of insurance products and services through a diverse selection of insurance companies, ensuring competitive rates and superior claims service |
17 |
| 62 |
Buckeye Dealership ConsultingBuckeyeReinsurance.com
A diverse company specializing in insurance products, offering warranties, service contracts, and reinsurance programs for vehicle-related policies, along with retirement planning services |
16 |
| 63 |
KAZ Companymedicareplansneo.com
A team of licensed insurance agents educating individuals on Medicare plan options, representing multiple carriers and offering seminars to businesses and groups |
14 |
| 64 |
NFP Corporate Services (OH), Inc.nfp.com
Leading insurance broker and consultant offering employee benefits, property & casualty, retirement, individual insurance, and wealth management solutions with global capabilities and personalized service |
11 |
| 65 |
Global Underwritersglobalunderwriters.com
An insurance company based in Cincinnati, Ohio, providing global services to clients worldwide |
10 |
| 66 |
Huston Insurance & Financial Serviceshustonfinancial.com
This company specializes in providing personalized insurance, investment, and financial services to help clients achieve financial stability and independence |
8 |
| 67 |
Wyatt Insurance Groupwyattinsurancegroup.com
A comprehensive agency offering insurance and financial services |
8 |
| 68 |
NeoGlobal Insurancelinktr.ee
Since 1999, we assist clients worldwide in choosing the best international insurance solutions for health and life benefits, serving expatriates, corporations, and professionals |
6 |
| 69 |
West Insurance and Financial Serviceswestinsurance.biz
A brokerage firm offering insurance and financial services such as auto, home, life, health, retirement, and investments, with a focus on saving clients money |
3 |
| 70 |
Associated Consulting Groupassociated-consulting.com
Specializing in reviewing reinsurance administration for life insurance portfolios, with a team of experienced professionals offering contingent fee arrangements for clients' convenience |
3 |
| 71 |
Nations Choice Trusted Advisorsโขnationschoicetrustedadvisors.com
A holistic risk management approach offering commercial insurance, executive benefits, business planning, and wealth management services through technological innovation and interdisciplinary expertise |
3 |
| 72 |
Short Agency Insuranceshortagency.com
The company provides insurance products and services through the Independent Agency System, helping clients make informed choices for affordable protection |
2 |
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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.
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