Datacircle

List of companies in Ohio: 137,095, by city, industry and size

137,095 companies with a LinkedIn page give their headquarters in Ohio, in our October 2026 release, 101,952 of them with a website. Construction is the largest industry, with 6,884.

42,097 of them, companies of 11 to 500 employees, are in Datacircle's free 10M+ U.S. dataset, and so are 350,195 people in Ohio: 105,470 with an email, 157,551 with a mobile phone. One download, free with a work email. Below, Ohio's companies by city, industry and size, and 20 of the free file's, picked at random.

Download them

Sign up with your work email: the 10M+ U.S. dataset is on your dashboard, one zip with the companies and the people. Keep Ohio's:

import duckdb
duckdb.sql("""
  select NAME, URL, HQ_STREET, HQ_CITY, LINKEDIN_INDUSTRY, EMPLOYEE_COUNT_RANGE
  from 'us_smb_mid_market_companies.parquet'
  where HQ_STATE_CODE = 'OH'
""").write_csv("oh_companies.csv")

The people: where STATE_CODE = 'OH' in us_smb_mid_market_persons.parquet. Every column of the companies file: the free list of US companies. The people's: the free US B2B leads dataset.

Companies in Ohio by city

The ten cities with the most headquarters, all sizes, as LinkedIn gives them (a suburb is its own city).

Companies headquartered in Ohio by city, October 2026
CityCompaniesShare
Columbus15,07111.0%
Cincinnati14,28410.4%
Cleveland11,2048.2%
Dayton4,8233.5%
Toledo3,4842.5%
Akron3,3202.4%
Canton1,8931.4%
Dublin1,8411.3%
Youngstown1,5191.1%
Westerville1,3981.0%

Companies in Ohio by industry

The ten largest LinkedIn industries in Ohio, all sizes, and how many of each the free file holds.

Companies headquartered in Ohio by LinkedIn industry, October 2026
IndustryAll sizesIn the free file
Construction6,8842,931
Medical Practices5,4751,514
Hospitals and Health Care5,3111,744
Retail3,2711,391
Real Estate3,1961,096
Restaurants3,0941,699
Non-profit Organizations2,6820
Individual and Family Services2,659772
Advertising Services2,516745
Business Consulting and Services2,369399

Companies in Ohio by size

By the employee range on their LinkedIn page. The free file holds the companies of 11 to 500 employees; every size, in the 50M+ dataset, unlocks once 3 people you invited sign up.

Companies headquartered in Ohio by employee range, October 2026
EmployeesCompaniesShare
148,07335.1%
2-1035,72926.1%
11-5037,91827.7%
51-20010,2507.5%
201-5002,7792.0%
501-1,0001,0590.8%
1,001-5,0008630.6%
5,001-10,0001510.1%
10,001+2730.2%

20 companies in Ohio, picked at random

Rows of the free file with a website of their own, picked at random, as the file holds them.

20 companies in Ohio of the free file
CompanyCityIndustryEmployeesWebsite
Three-Leaf Productions IncGahannaAdvertising Services11-50three-leaf.com
Pursuit Media GroupToledoMedia and Telecommunications11-50pursuitpmg.com
Urban SitesCincinnatiReal Estate11-50urbansites.com
Cultiv8, IncCincinnatiMarketing Services11-50cultiv8inc.com
Happy GreekColumbusRestaurants11-50happygreek.com
Livingston EnterprisesRichwoodIT Services and IT Consulting11-50livingstonenterprise.com
Reliable Snowplowing LLCMentorRetail Office Equipment51-200reliablesnowplowing.com
Azul TequillaNapoleonRestaurants11-50azul-tequila.com
Nest CapitalTroyFinancial Services51-200nestcapital.com
Hydrate Me MedspaColumbusMedical Practices51-200hydratememedspa.com
Equal Care ServicesAkronIndividual and Family Services11-50equalcareservices.com
TrencorWest SalemMachinery Manufacturing201-500trencor.com
Cinter NetworksCincinnatiInformation Technology and Services11-50cinter.net
Primavera RestaurantAshtabulaReal Estate11-50primaverarestaurantandbar.com
Sidewalk Cafe PainesvillePainesvilleRestaurants11-50sidewalkcafepainesville.com
Absolute Machine ToolsLorainMachinery Manufacturing51-200absolutemachine.com
Cedar One Property Management, LLCSteubenvilleReal Estate11-50cedaronerentals.com
Patriot Air Comfort Systems, LLCReynoldsburgIndividual and Family Services11-50patriotair.com
Aeratech MedicalKentHome Health Care Services201-500aeratech.com
Refined Medical StaffingCincinnatiStaffing and Recruiting51-200refinedmedicalstaffing.com

Other states

Questions

How many companies are there in Ohio?

137,095 companies with a LinkedIn page give their headquarters in Ohio, in our October 2026 release of 6,700,867 US companies. 50,947 of them have 11 to 500 employees. A company without a LinkedIn page isn't counted.

Which city in Ohio has the most companies?

Columbus, with 15,071 (11.0% of the state's), then Cincinnati with 14,284.

Can I download a free list of companies in Ohio?

Yes: 42,097 of them, companies of 11 to 500 employees, are in Datacircle's free 10M+ US dataset, with website, headquarters address, industry, size and founding year. Sign up with a work email, download it, and keep the rows whose HQ_STATE_CODE is 'OH'.

Does it include contacts in Ohio?

Yes: the people file in the same download holds 350,195 people whose LinkedIn profile is in Ohio, 105,470 with an email and 157,551 with a US mobile phone.

Sign up with your work email: your API key and a $5 credit that never expires are on your dashboard, with the free 10M+ U.S. B2B leads dataset.

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