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.
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 |
| 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.
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.
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.
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.
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.
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.