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20,230 companies in Herndon, Virginia.
Find 20,230 companies in Herndon, Virginia. 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 Richmond, Virginia Beach, Alexandria.
Herndon, Virginia companies by size and revenue
| Employees | Companies | Share |
|---|---|---|
| 1-50 | 19,314 | 96.3% |
| 51-200 | 510 | 2.5% |
| 201-1000 | 193 | 1.0% |
| 1001-5000 | 32 | 0.2% |
| 5001+ | 14 | 0.1% |
| Revenue | Companies | Share |
|---|---|---|
| Under $10M | 18,841 | 96.5% |
| $10M-$50M | 473 | 2.4% |
| $50M-$250M | 159 | 0.8% |
| $250M-$1B | 28 | 0.1% |
| $1B+ | 33 | 0.2% |
Share is of companies with a known value — 20,063 with headcount and 19,534 with revenue on file, as of Jul 17, 2026.
Frequently asked questions
How many companies are in Herndon, Virginia?
20,230 companies in the directory are located in Herndon, Virginia.
How many large companies are in Herndon, Virginia?
94 of the 20,230 companies in Herndon, Virginia employ more than 500 people, and 33 report over $1 billion in annual revenue. See the size and revenue breakdown above for the full distribution.
What size are most Herndon, Virginia 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 19,534 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.