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15,765 companies in Westbury, New York.
Find 15,765 companies in Westbury, New York. 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 New York City, Brooklyn, Bronx.
Westbury, New York companies by size and revenue
| Employees | Companies | Share |
|---|---|---|
| 1-50 | 15,455 | 98.5% |
| 51-200 | 192 | 1.2% |
| 201-1000 | 46 | 0.3% |
| 1001-5000 | 4 | 0.0% |
| 5001+ | 1 | 0.0% |
| Revenue | Companies | Share |
|---|---|---|
| Under $10M | 15,340 | 98.7% |
| $10M-$50M | 171 | 1.1% |
| $50M-$250M | 31 | 0.2% |
| $250M-$1B | 4 | 0.0% |
| $1B+ | 1 | 0.0% |
Share is of companies with a known value — 15,698 with headcount and 15,547 with revenue on file, as of Jul 17, 2026.
Frequently asked questions
How many companies are in Westbury, New York?
15,765 companies in the directory are located in Westbury, New York.
How many large companies are in Westbury, New York?
13 of the 15,765 companies in Westbury, New York employ more than 500 people, and 1 report over $1 billion in annual revenue. See the size and revenue breakdown above for the full distribution.
What size are most Westbury, New York 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 15,547 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.