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33,322 companies in Frederick, Maryland.
Find 33,322 companies in Frederick, Maryland. 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 Baltimore, Silver Spring, Rockville.
Of the 33,106 with a known headcount, 98% employ 1-50 people and 18 employ more than 1,000. 98% of those reporting revenue are under $10M, while 14 report more than $1B.
These pages show the first 120 of 33,322 companies. Narrow the list with the filters above or open one of the related lists below to see the rest.
Frederick, Maryland companies by size and revenue
| Employees | Companies | Share |
|---|---|---|
| 1-50 | 32,449 | 98.0% |
| 51-200 | 533 | 1.6% |
| 201-1000 | 106 | 0.3% |
| 1001-5000 | 13 | 0.0% |
| 5001+ | 5 | 0.0% |
| Revenue | Companies | Share |
|---|---|---|
| Under $10M | 32,067 | 98.5% |
| $10M-$50M | 398 | 1.2% |
| $50M-$250M | 69 | 0.2% |
| $250M-$1B | 17 | 0.1% |
| $1B+ | 14 | 0.0% |
Share is of companies with a known value — 33,106 with headcount and 32,565 with revenue on file, as of Jul 17, 2026.
Frequently asked questions
How many companies are in Frederick, Maryland?
33,322 companies in the directory are located in Frederick, Maryland.
How many large companies are in Frederick, Maryland?
45 of the 33,322 companies in Frederick, Maryland employ more than 500 people, and 14 report over $1 billion in annual revenue. See the size and revenue breakdown above for the full distribution.
What size are most Frederick, Maryland 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 32,565 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.