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29,911 companies in Corona, California.
Find 29,911 companies in Corona, California. 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 Los Angeles, San Francisco, San Diego.
Of the 29,644 with a known headcount, 98% employ 1-50 people and 14 employ more than 1,000. 98% of those reporting revenue are under $10M, while 10 report more than $1B.
These pages show the first 120 of 29,911 companies. Narrow the list with the filters above or open one of the related lists below to see the rest.
Corona, California companies by size and revenue
| Employees | Companies | Share |
|---|---|---|
| 1-50 | 28,959 | 97.7% |
| 51-200 | 565 | 1.9% |
| 201-1000 | 106 | 0.4% |
| 1001-5000 | 13 | 0.0% |
| 5001+ | 1 | 0.0% |
| Revenue | Companies | Share |
|---|---|---|
| Under $10M | 28,440 | 97.8% |
| $10M-$50M | 544 | 1.9% |
| $50M-$250M | 83 | 0.3% |
| $250M-$1B | 15 | 0.1% |
| $1B+ | 10 | 0.0% |
Share is of companies with a known value — 29,644 with headcount and 29,092 with revenue on file, as of Jul 17, 2026.
Frequently asked questions
How many companies are in Corona, California?
29,911 companies in the directory are located in Corona, California.
How many large companies are in Corona, California?
43 of the 29,911 companies in Corona, California employ more than 500 people, and 10 report over $1 billion in annual revenue. See the size and revenue breakdown above for the full distribution.
What size are most Corona, California 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 29,092 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.