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1,466,919 companies in Maryland.
Discover 1,466,919 companies headquartered in Maryland, spanning manufacturing, construction, and industrial sectors. Browse by city — including Baltimore, Silver Spring, Rockville or by industry, and open any profile for its location, website, size, and NAICS/SIC classification.
Largest Maryland companies by revenue
The highest-revenue companies in this directory. Open any profile for its full firmographics.
| # | Company | Location | Employees | Revenue |
|---|---|---|---|---|
| 1 | The United States Social Security Administration | Baltimore | 60,000 | $220B |
| 2 | Koninklijke Ahold Delhaize NV | Holland | 400,000 | $99.4B |
| 3 | Lockheed Martin | Bethesda | 116,000 | $66B |
| 4 | Lockheedccc | Bethesda | 116,000 | $66B |
| 5 | Chubb | Zürich | 40,000 | $54.6B |
| 6 | Concrete Protection & Restoration | Baltimore | 204,000 | $50B |
| 7 | Concrete Protection & Restoration | Baltimore | 203,000 | $50B |
| 8 | Concretecccc | Baltimore | 203,000 | $50B |
| 9 | National Institutes of Health (NIH) | Bethesda | 20,267 | $46.1B |
| 10 | BBVA | Bilbao | 121,563 | $41.2B |
Maryland companies by size and revenue
| Employees | Companies | Share |
|---|---|---|
| 1-50 | 1,427,726 | 98.1% |
| 51-200 | 22,813 | 1.6% |
| 201-1000 | 4,148 | 0.3% |
| 1001-5000 | 489 | 0.0% |
| 5001+ | 272 | 0.0% |
| Revenue | Companies | Share |
|---|---|---|
| Under $10M | 1,420,805 | 98.7% |
| $10M-$50M | 14,805 | 1.0% |
| $50M-$250M | 3,085 | 0.2% |
| $250M-$1B | 503 | 0.0% |
| $1B+ | 437 | 0.0% |
Share is of companies with a known value — 1,455,448 with headcount and 1,439,635 with revenue on file, as of Jul 17, 2026.
Frequently asked questions
How many companies are based in Maryland?
1,466,919 companies in the directory are headquartered in Maryland, browsable by city or by industry.
How many large companies are in Maryland?
1,621 of the 1,466,919 companies in Maryland employ more than 500 people, and 437 report over $1 billion in annual revenue. See the size and revenue breakdown above for the full distribution.
What size are most 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 1,439,635 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.