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47,009 companies in Boulder, Colorado.
Find 47,009 companies in Boulder, Colorado. 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 Denver, Colorado Springs, Aurora.
Of the 46,409 with a known headcount, 98% employ 1-50 people and 39 employ more than 1,000. 97% of those reporting revenue are under $10M, while 28 report more than $1B.
These pages show the first 120 of 47,009 companies. Narrow the list with the filters above or open one of the related lists below to see the rest.
Boulder, Colorado companies by size and revenue
| Employees | Companies | Share |
|---|---|---|
| 1-50 | 45,335 | 97.7% |
| 51-200 | 819 | 1.8% |
| 201-1000 | 216 | 0.5% |
| 1001-5000 | 30 | 0.1% |
| 5001+ | 9 | 0.0% |
| Revenue | Companies | Share |
|---|---|---|
| Under $10M | 43,098 | 97.1% |
| $10M-$50M | 1,063 | 2.4% |
| $50M-$250M | 177 | 0.4% |
| $250M-$1B | 26 | 0.1% |
| $1B+ | 28 | 0.1% |
Share is of companies with a known value — 46,409 with headcount and 44,392 with revenue on file, as of Jul 17, 2026.
Frequently asked questions
How many companies are in Boulder, Colorado?
47,009 companies in the directory are located in Boulder, Colorado.
How many large companies are in Boulder, Colorado?
82 of the 47,009 companies in Boulder, Colorado employ more than 500 people, and 28 report over $1 billion in annual revenue. See the size and revenue breakdown above for the full distribution.
What size are most Boulder, Colorado 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 44,392 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.