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Companies in Willoughby, Ohio

6,771 companies in Willoughby, Ohio.

Find 6,771 companies in Willoughby, Ohio. From manufacturers to industrial suppliers, each listing carries the firm's address, website, size, and NAICS/SIC codes. You can also browse nearby cities such as Columbus, Cincinnati, Cleveland.

6,771Companies
9500+ employees
2$1B+ revenue
95%Revenue on file
Jul 17, 2026Last updated
04563 LLCWilloughby, Ohio, United States · Industrial & mechanical10 - 31 CorpWilloughby, Ohio, United States1022 Beachview Rd, , OH 44094Willoughby, Ohio, United States · Consumer10270The Huntington National Bank IncWilloughby, Ohio, United States · Financial123 Home Renovation LLCWilloughby, Ohio, United States16740 Park Circle LtdWilloughby, Ohio, United States18 Martha Street LPWilloughby, Ohio, United States · Financial1Dr Irene L DruzinaWilloughby, Ohio, United States · Healthcare & Life Science1st Luau CoWilloughby, Ohio, United States1st Source ServallWilloughby, Ohio, United States · Consumer2 3 24 HrWilloughby, Ohio, United States · Industrial & mechanical2 Brothers Home ImprovementWilloughby, Ohio, United States2 Grow IncWilloughby, Ohio, United States · Consumer2100 RealtyWilloughby, Ohio, United States211 Fairway Ridge LLCWilloughby, Ohio, United States · Real Estate24 Hours Tow Truck CoWilloughby, Ohio, United States247 Dinville LLCWilloughby, Ohio, United States · Consumer247PolkaHeavenWilloughby, Ohio, United States2550 Som Center I LLCWilloughby, Ohio, United States · Healthcare & Life Science26300 Chagrin LPWilloughby, Ohio, United States · Financial2675 Alan Drive LPWilloughby Hills, Ohio, United States · Financial27028 Chardon Road Apartments LLCWilloughby, Ohio, United States · Real Estate2749 IncWilloughby, Ohio, United States · Industrial & mechanical2Lugar, VincentWilloughby, Ohio, United States · Industrial & mechanical
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Willoughby, Ohio companies by size and revenue

By number of employees
EmployeesCompaniesShare
1-506,60698.2%
51-200911.4%
201-1000240.4%
1001-500040.1%
5001+00.0%
By annual revenue
RevenueCompaniesShare
Under $10M6,33398.0%
$10M-$50M951.5%
$50M-$250M290.4%
$250M-$1B20.0%
$1B+20.0%

Share is of companies with a known value — 6,725 with headcount and 6,461 with revenue on file, as of Jul 17, 2026.

Frequently asked questions

How many companies are in Willoughby, Ohio?

6,771 companies in the directory are located in Willoughby, Ohio.

How many large companies are in Willoughby, Ohio?

9 of the 6,771 companies in Willoughby, Ohio employ more than 500 people, and 2 report over $1 billion in annual revenue. See the size and revenue breakdown above for the full distribution.

What size are most Willoughby, Ohio companies?

Most are small and mid-sized businesses: the size and revenue tables above show the full spread, from under $10M up to $1B+, across the 6,461 companies with revenue on file.

What information is included for each company?

Every listing includes the company name, location, website, employee size, revenue range where available, and NAICS/SIC classification, with a link to the full profile.

Where does this directory come from?

Listings are compiled and maintained by Factur, a sales and marketing firm for B2B manufacturers. Any company can request an update or removal from its profile page.