Largest nonprofits in Maryland by revenue
| # | Nonprofit | City | Focus area | Revenue |
|---|---|---|---|---|
| 1 | Johns Hopkins University | Baltimore | Education | $10.6 billion |
| 2 | The Johns Hopkins Hospital | Baltimore | Health Care | $3.8 billion |
| 3 | A D F Community Outreach Foundation Inc | Mechanicsvlle | Philanthropy, Voluntarism & Grantmaking Foundations | $2.9 billion |
| 4 | University Of Maryland Medical System Corporation | Linthicum Heights | Health Care | $2.5 billion |
| 5 | Hh Medstar Health Inc | Columbia | Health Care | $2.4 billion |
| 6 | Howard Hughes Medical Institute | Chevy Chase | Medical Research | $2.0 billion |
| 7 | Washington Hospital Center Corporation | Columbia | Health Care | $1.9 billion |
| 8 | Medstar-Georgetown Medical Center Inc | Columbia | Health Care | $1.9 billion |
| 9 | Sinai Hospital Of Baltimore Inc | Baltimore | Health Care | $1.1 billion |
| 10 | Johns Hopkins All Childrens Hospital Inc | Baltimore | Health Care | $948.8 million |
| 11 | Healthwell Foundation | Rockville | Health Care | $911.5 million |
| 12 | Adventist Healthcare Inc | Gaithersburg | Not listed | $909.8 million |
| 13 | Johns Hopkins Bayview Medical Center Inc | Baltimore | Health Care | $899.1 million |
| 14 | The Johns Hopkins Health System Corporation | Baltimore | Health Care | $783.8 million |
| 15 | Holy Cross Health Inc | Silver Spring | Not listed | $779.7 million |
| 16 | Luminis Health Anne Arundel Medical Center Inc | Annapolis | Health Care | $759.6 million |
| 17 | Lucy Webb Haynes National Training School For Deaconesses And Mission | Baltimore | Health Care | $750.1 million |
| 18 | Meritus Medical Center Inc | Hagerstown | Health Care | $721.3 million |
| 19 | Jack And Nancy Dwyer Workforce Development Center Inc | Baltimore | Health Care | $696.1 million |
| 20 | Mercy Medical Center Inc | Baltimore | Health Care | $685.0 million |
| 21 | Impactassets Inc | Bethesda | Philanthropy, Voluntarism & Grantmaking Foundations | $680.3 million |
| 22 | Greater Baltimore Medical Center | Towson | Health Care | $674.6 million |
| 23 | Franklin Square Hospital Center Inc | Baltimore | Health Care | $655.3 million |
| 24 | Tidalhealth Peninsula Regional Inc | Salisbury | Health Care | $643.6 million |
| 25 | Henry M Jackson Foundation For The Advancement Of Military Medicine | Bethesda | Medical Research | $616.3 million |
The full list includes all 2,265 Maryland nonprofits with $1M+ revenue, with street address, ZIP, EIN, assets, income and tax period, plus every other state.
Maryland cities with the most $1M+ nonprofits
- Baltimore: 560
- Rockville: 143
- Silver Spring: 127
- Bethesda: 108
- Annapolis: 75
- Columbia: 73
- Frederick: 60
- Hagerstown: 48
- Gaithersburg: 36
- Easton: 36
Most common focus areas
- Education: 330
- Human Services: 321
- Health Care: 214
- Housing & Shelter: 115
- Arts, Culture & Humanities: 105
- Mental Health & Crisis Intervention: 88
- Community Improvement & Capacity Building: 83
- Recreation & Sports: 69
Where does this data come from?
The IRS Exempt Organizations Business Master File, downloaded in October 2026. Figures are as reported on each organization's latest return on file with the IRS. Personal contact names are not included.