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115,694 companies in Healthcare & Life Science in Maryland.
Explore 115,694 Healthcare & Life Science in Maryland listed with contact details, employee size, revenue, and NAICS/SIC codes. Compare suppliers and service providers side by side and reach the right companies directly, or view the same industry in Healthcare & Life Science in California, Healthcare & Life Science in Florida, Healthcare & Life Science in Texas.
Largest Healthcare & Life Science in Maryland companies by revenue
The highest-revenue companies in this directory. Open any profile for its full firmographics.
| # | Company | Location | Employees | Revenue |
|---|---|---|---|---|
| 1 | Marriott International Inc | Bethesda | 414,000 | $26.3B |
| 2 | DD IP Holder LLC | North East | 250,000 | $16.9B |
| 3 | The National Institute On Drug Abuse (nida) | North Bethesda | 50,000 | $10B |
| 4 | The Ritz-Carlton Hotel Company LLC | Bethesda | 40,000 | $6.7B |
| 5 | University Hospitals | Cleveland | 28,000 | $5.3B |
| 6 | MedStar Health | Columbia | 30,000 | $4.4B |
| 7 | University of Maryland Medical System | Baltimore | 33,600 | $4.3B |
| 8 | Johns Hopkins Medicine | Baltimore | 40,000 | $3.4B |
| 9 | HMSHost | Bethesda | 48,000 | $3.2B |
| 10 | Washington Software Inc. | Germantown | 13,392 | $2.6B |
Healthcare & Life Science in Maryland companies by size and revenue
| Employees | Companies | Share |
|---|---|---|
| 1-50 | 112,760 | 97.5% |
| 51-200 | 2,548 | 2.2% |
| 201-1000 | 327 | 0.3% |
| 1001-5000 | 33 | 0.0% |
| 5001+ | 22 | 0.0% |
| Revenue | Companies | Share |
|---|---|---|
| Under $10M | 114,545 | 99.0% |
| $10M-$50M | 919 | 0.8% |
| $50M-$250M | 156 | 0.1% |
| $250M-$1B | 33 | 0.0% |
| $1B+ | 17 | 0.0% |
Share is of companies with a known value — 115,690 with headcount and 115,670 with revenue on file, as of Jul 17, 2026.
Frequently asked questions
How many Healthcare & Life Science in Maryland are there?
There are 115,694 Healthcare & Life Science in Maryland in the directory. Use the filters to narrow by employee count, revenue, or NAICS/SIC code.
How many large companies are in Healthcare & Life Science in Maryland?
104 of the 115,694 companies in Healthcare & Life Science in Maryland employ more than 500 people, and 17 report over $1 billion in annual revenue. See the size and revenue breakdown above for the full distribution.
What size are most Healthcare & Life Science in 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 115,670 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.