| Johns Hopkins University | Baltimore | $10,623,431,000 |
| The Johns Hopkins Hospital | Baltimore | $3,757,011,681 |
| A D F Community Outreach Foundation Inc | Mechanicsvlle | $2,878,868,000 |
| Financial Industry Regulatory Authority Inc | Rockville | $2,607,503,080 |
| University of Maryland Medical System Corporation | Linthicum Heights | $2,527,227,702 |
| Hh Medstar Health Inc | Columbia | $2,399,792,762 |
| Howard Hughes Medical Institute | Chevy Chase | $2,004,784,057 |
| Washington Hospital Center Corporation | Columbia | $1,907,162,276 |
| Medstar-Georgetown Medical Center Inc | Columbia | $1,902,689,707 |
| Finra Regulation Inc | Rockville | $1,354,035,278 |
| American Postal Workers Union | Elkridge | $1,312,607,122 |
| Sinai Hospital of Baltimore Inc | Baltimore | $1,063,163,867 |
| Johns Hopkins All Childrens Hospital Inc | Baltimore | $948,805,768 |
| Healthwell Foundation | Rockville | $911,501,566 |
| Adventist Healthcare Inc | Gaithersburg | $909,767,420 |
| Johns Hopkins Bayview Medical Center Inc | Baltimore | $899,082,164 |
| Neca IBEW Family Medical Care Tr Fund | Rockville | $850,166,160 |
| The Johns Hopkins Health System Corporation | Baltimore | $783,774,051 |
| Holy Cross Health Inc | Silver Spring | $779,660,303 |
| Luminis Health Anne Arundel Medical Center Inc | Annapolis | $759,645,663 |
| Lucy Webb Haynes National Training School for Deaconesses and Mission | Baltimore | $750,057,588 |
| Meritus Medical Center Inc | Hagerstown | $721,344,610 |
| Jack and Nancy Dwyer Workforce Development Center Inc | Baltimore | $696,103,792 |
| Board of Education of Montgomery County Employee Benefit Trust Fund | Rockville | $690,058,512 |
| Mercy Medical Center Inc | Baltimore | $685,010,875 |
| Impactassets Inc | Bethesda | $680,266,004 |
| Greater Baltimore Medical Center | Towson | $674,638,318 |
| Franklin Square Hospital Center Inc | Baltimore | $655,250,368 |
| Tidalhealth Peninsula Regional Inc | Salisbury | $643,626,175 |
| Henry M Jackson Foundation for the Advancement of Military Medicine | Bethesda | $616,261,455 |
| Umsj Health System LLC | Towson | $605,586,313 |
| Southern Maryland Electric Cooperative Inc | Hughesville | $542,483,099 |
| Dimensions Health Corporation | Linthicum Heights | $522,450,363 |
| Baltimore Washington Medical Center Inc | Linthicum Heights | $519,708,485 |
| Johns Hopkins Medical Services Corporation | Baltimore | $497,653,450 |
| Upper Chesapeake Medical Center Inc | Linthicum Heights | $487,858,407 |
| Union Memorial Hospital | Baltimore | $472,689,210 |
| Frederick Health Hospital Inc | Frederick | $455,241,558 |
| Fello Inc | Linthicum Hts | $445,689,765 |
| Suburban Hospital Incorporated | Baltimore | $427,696,589 |
| Medstar Health Inc | Columbia | $423,331,709 |
| National Automatic Sprinkler Industry Welfare Fund | Landover | $397,511,934 |
| National Gallery of Art | Landover | $382,850,886 |
| Johns Hopkins Community Physicians Inc | Baltimore | $381,482,853 |
| Loyola University Maryland Inc | Baltimore | $368,946,806 |
| Howard County General Hospital Inc | Baltimore | $363,430,800 |
| United States Pharmacopeial Convention Inc | Rockville | $357,720,644 |
| Cystic Fibrosis Foundation | Bethesda | $355,798,320 |
| NFL Player Supplemental Disability Plan Trust | Baltimore | $349,533,391 |
| Lifebridge Health Inc | Owings Mills | $346,646,456 |
| Sheppard Pratt Health System Inc | Baltimore | $343,486,385 |
| Shore Health System Inc | Linthicum Heights | $342,158,391 |
| State Employees Credit Union of Maryland Inc | Linthicum | $333,079,288 |
| Medstar Southern Maryland Hospital Center Inc | Columbia | $325,672,957 |
| American Kidney Fund Inc | Rockville | $324,644,050 |
| Tidalhealth Inc | Salisbury | $324,202,464 |
| Carroll Hospital Center Inc | Westminster | $301,649,774 |
| Northwest Hospital Center Inc | Randallstown | $301,057,893 |
| The Good Samaritan Hospital of Maryland Inc | Baltimore | $299,427,213 |
| Luminis Health Doctors Community Medical Center Inc | Annapolis | $287,913,877 |
| Maryland General Hospital | Linthicum Heights | $285,214,828 |
| Johns Hopkins University | Baltimore | $280,524,446 |
| Physician Enterprise LLC | Annapolis | $278,959,297 |
| Kennedy Krieger Childrens Hospital Inc | Baltimore | $278,481,957 |
| Glenstone Foundation | Potomac | $266,804,717 |
| Gene Upshaw NFL Player Health Reimbursement Account Plan Trust | Baltimore | $265,789,149 |
| Special Agents Mutual Benefit | Rockville | $259,545,577 |
| St Marys Hospital of St Marys County | Columbia | $241,796,122 |
| T Rowe Price Program for Charitable Giving Inc | Baltimore | $241,178,122 |
| Medical Technology Enterprise Consortium | N Bethesda | $234,472,156 |
| Harbor Hospital Inc | Baltimore | $220,411,136 |
| Maryland Economic Development Corporation | Baltimore | $218,068,432 |
| Asbury Atlantic Inc | Frederick | $212,854,275 |
| Montgomery General Hospital Inc | Columbia | $212,509,676 |
| World Relief Corporation O National | Baltimore | $205,941,236 |
| Civista Medical Center Inc | Linthicum Heights | $196,643,696 |
| Electrical Welfare Trust Fund | Lanham | $195,649,514 |
| Transit Employees Health and Welfare Plan | District Heights | $193,366,565 |
| Choptank Electric Corp | Denton | $190,063,260 |
| University of Maryland College Park Foundation Inc | College Park | $187,927,589 |
| Stevenson University Inc | Owings Mills | $187,727,722 |
| The John Hopkins Univ Applied Phys Lab Medical & Dental Insurance | Laurel | $187,481,861 |
| United Association of Journeymen & Apprentices of the Plumbing & Pipe | Annapolis | $185,325,356 |
| Tidalhealth Atlantic Inc | Berlin | $183,103,854 |
| National Rehabilitation Hospital Inc | Columbia | $179,376,301 |
| International Association of Machinists & Aerospace Grand Lodge | Uppr Marlboro | $179,169,281 |
| Chase Brexton Health Services Inc | Baltimore | $172,818,534 |
| Lutheran Immigration and Refugee Service | Baltimore | $170,458,247 |
| Calverthealth Medical Center Inc | Prnc Frederck | $170,269,543 |
| Luminis Health Inc | Annapolis | $167,378,576 |
| Seafarers Health and Benefits Plan | Camp Springs | $164,732,059 |
| Mc Daniel College Inc | Westminster | $163,017,939 |
| The Harry & Jeanette Weinberg Foundation Inc | Owings Mills | $161,752,607 |
| Johns Hopkins Pharmaquip Inc | Baltimore | $147,587,515 |
| Riderwood Village Inc | Catonsville | $146,205,535 |
| U of M Rehab & Orthopaedic Institute | Linthicum Heights | $143,771,634 |
| Mount Saint Marys University | Emmitsburg | $143,294,466 |
| Associated Catholic Charities Inc | Timonium | $142,725,884 |
| Association of Public Health Laboratories Inc | Bethesda | $142,195,492 |
| Felra and Ufcw Health and Welfare Fund | Sparks | $139,405,998 |
| Washington College | Chestertown | $132,277,197 |
| Three Lower Counties Community Services Inc | Salisbury | $129,263,959 |
| Frederick Health Medical Group LLC | Frederick | $128,018,158 |
| Melwood Horticultural Training Center Inc | Uppr Marlboro | $127,986,933 |
| Annie E Casey Foundation | Baltimore | $122,731,148 |
| Maryland Institute | Baltimore | $120,548,710 |
| St Johns College | Annapolis | $118,931,795 |
| Chimes District of Columbia Inc | Baltimore | $118,823,444 |
| Goucher College | Baltimore | $117,345,572 |
| Enterprise Community Investment Inc | Columbia | $116,084,347 |
| Enterprise Community Partners Inc | Columbia | $114,759,991 |
| Enterprise Community Development Inc | Columbia | $114,633,329 |
| Gilchrist Hospice Care Inc | Hunt Valley | $114,583,449 |
| Ashby Ponds Inc | Catonsville | $114,534,137 |
| Service Coordination Inc | Frederick | $114,120,012 |
| Greenspring Village Inc | Catonsville | $113,993,957 |
| Charlestown Community Inc | Catonsville | $113,320,036 |
| Global Communities Inc | Bethesda | $112,100,528 |
| Cedar Crest Village LLC | Catonsville | $111,539,777 |
| Young Mens Christian Association of Central Maryland Inc | Baltimore | $110,802,051 |
| Goodwill Industries of the Chesapeake Inc | Baltimore | $109,684,621 |
| University of Maryland Faculty Physicians Inc | Baltimore | $108,819,240 |
| Hias Inc | Silver Spring | $107,582,793 |
| Maryland Food Bank Inc | Baltimore | $107,292,415 |
| Oak Crest Village Inc | Catonsville | $106,530,981 |
| American Physical Society | College Park | $106,332,062 |
| Wind Crest Inc | Catonsville | $104,913,177 |
| Baltimore Regional Housing Partnership Inc | Baltimore | $103,860,836 |
| Major League Baseball Players Welfare Plan | Sparks | $103,419,225 |
| Brooksby Village Inc | Catonsville | $103,165,429 |
| Davis Family Foundation | Hanover | $101,538,554 |
| Mercy Health Services Inc | Baltimore | $99,866,510 |
| McDonogh School Incorporated | Owings Mills | $99,306,105 |
| Hood College of Frederick MD | Frederick | $97,166,746 |
| Stephen and Renee Bisciotti Foundation Inc | Baltimore | $96,377,217 |
| Maris Grove Inc | Catonsville | $95,343,399 |
| Ann S Choice Inc | Catonsville | $94,728,417 |
| Baltimore Medical System Inc | Baltimore | $93,531,221 |
| Nea Members Insurance Trust | Gaithersburg | $92,519,780 |
| Qlarant Integrity Solutions LLC | Easton | $92,432,847 |
| The Gog Foundation Inc | Edgewater | $92,424,680 |
| American Institute of Physics Incorporated | College Park | $92,366,805 |
| United Association of Journeymen & Apprentices of the Plumbing & Pipe | Columbia | $89,510,808 |
| Levindale Hebrew Geriatric Ctr & Hospital Inc | Baltimore | $89,431,945 |
| M M & P Health & Benefit Fund | Linthicum Hts | $88,381,469 |
| American Nurses Credentialing Center | Silver Spring | $86,784,441 |
| The Jewish Federation of Greater Washington Inc | North Bethesda | $86,330,934 |
| Columbia Association Inc | Columbia | $86,059,768 |
| Meba Vacation Plan Atlantic Gulf and Pacific Coasts | Baltimore | $85,715,141 |
| Stella Maris Inc | Timonium | $85,467,882 |
| Mt Washington Pediatric Hospital Inc | Baltimore | $84,410,054 |
| Linden Ponds Inc | Catonsville | $83,017,216 |
| Hebrew Home of Greater Washington Inc | Rockville | $82,685,472 |
| Maryland Family Care Inc | Baltimore | $80,832,581 |
| Gilman School Inc | Baltimore | $80,229,292 |
| United States Naval Academy Foundation Inc | Annapolis | $79,865,558 |
| Eugene B Casey Foundation | Gaithersburg | $79,367,213 |
| Board of Child Care of the United Methodist Church Incorporated | Baltimore | $79,274,016 |
| Foundation for the National Institute of Health Inc | Rockville | $78,507,209 |
| Municipal Employees Credit Union of Baltimore Inc | Baltimore | $77,729,986 |
| University of Maryland Baltimore Foundation Inc | Baltimore | $77,039,974 |
| Fox Run Village Inc | Catonsville | $76,416,917 |
| Albright Care Services | Frederick | $76,365,139 |
| Highland Springs Inc | Catonsville | $76,031,216 |
| Adventist Development and Relief Agency International | Silver Spring | $75,928,709 |
| Elevator Industry Work Preservation Fund | Columbia | $75,923,645 |
| University of Maryland Foundation Inc | Adelphi | $75,540,447 |
| American Speech Language & Hearing Assn | Rockville | $75,306,313 |
| Adventist Rehabilitation Hospital of Maryland Inc | Gaithersburg | $74,838,538 |
| American Society of Health-System Pharmacists | Bethesda | $74,417,349 |
| Medstar Health Research Institute Inc | Columbia | $74,089,762 |
| Kennedy Krieger Education and Community Services Inc | Baltimore | $74,076,274 |
| Seabrook Village Inc | Catonsville | $73,766,986 |
| Lutheran World Relief Inc | Baltimore | $71,718,541 |
| Sherman Fairchild Foundation Inc | Chevy Chase | $71,596,138 |
| Community Support Services | Gaithersburg | $70,535,733 |
| Fisher House Foundation Inc | Rockville | $70,002,904 |
| Notre Dame of Maryland University | Baltimore | $67,088,616 |
| Goodwill Industries International Inc | Rockville | $66,583,568 |
| Bullis School Inc | Potomac | $66,125,808 |
| Enoch Pratt Free Library of Baltimore City | Baltimore | $65,815,537 |
| Chesapeake Lighthouse Foundation Inc | Laurel | $65,275,806 |
| Infinite Legacy Inc | Baltimore | $64,038,583 |
| International Union of Operating | Columbia | $63,426,073 |
| Brightfocus Foundation | Clarksburg | $63,423,924 |
| Total Health Care Inc | Baltimore | $61,772,074 |
| Eagles Trace Inc | Catonsville | $61,377,252 |
| NAACP Empowerment Programs Inc | Baltimore | $60,637,077 |
| Baltimore Community Foundation Inc | Baltimore | $60,559,630 |
| Adventist Healthcare Fort Washington Medical Center Inc | Gaithersburg | $59,081,484 |
| Behavioral Health System Baltimore Inc | Baltimore | $59,059,725 |
| Brooke Grove Foundation Inc | Sandy Spring | $57,256,594 |
| Congressional Country Club Inc | Bethesda | $55,851,764 |
| Amalgamated Transit Union | Silver Spring | $55,791,181 |
| Emerge Inc | Columbia | $55,640,026 |
| Meba Medical and Benefits Plan | Baltimore | $55,342,551 |
| Way Station Inc | Frederick | $55,089,936 |
| Community Clinic Inc | Silver Spring | $54,980,384 |
| Interchurch Medical Assistance Inc | Baltimore | $54,963,890 |
| The Arc Baltimore Inc | Baltimore | $54,578,687 |
| National Aquarium Inc | Baltimore | $54,351,794 |
| Chester River Hospital Center | Linthicum Heights | $53,406,715 |
| International Union of Painters and Allied Trades | Hanover | $53,284,326 |
| Mosaic Community Services Inc | Timonium | $52,881,699 |
| Maryland School for the Blind | Baltimore | $52,613,676 |
| Tallgrass Creek Inc | Catonsville | $51,633,659 |
| Broadmead Inc | Cockeysville | $51,579,010 |
| Ashley Inc | Hvre de Grace | $51,486,930 |
| Johns Hopkins Home Care Group Inc | Baltimore | $51,360,201 |
| King Farm Presbyterian Retirement | Rockville | $51,105,576 |
| National Center for Children and Families | Bethesda | $50,968,251 |
| Homewood Living Frederick Inc | Williamsport | $50,825,723 |
| Jewish Social Service Agency | Rockville | $50,640,314 |
| Severn School Inc | Severna Park | $49,734,018 |
| Lantern Hill Inc | Catonsville | $49,571,543 |
| Foundation for Advanced Education in the Sciences Inc | Bethesda | $49,391,933 |
| Associated Jewish Community Federation of Baltimore Inc | Baltimore | $49,370,333 |
| Diana Davis Spencer Foundation | Bethesda | $47,949,417 |
| Holton-Arms School Inc | Bethesda | $47,438,014 |
| Landon School Corporation | Bethesda | $47,220,085 |
| Transportation-Communications Union | Rockville | $46,348,290 |
| National Association of Community Health Centers Inc | Bethesda | $46,346,948 |
| The Village at Rockville Inc | Frederick | $45,340,694 |
| Shell Foundation | Bethesda | $45,331,982 |
| Aircraft Owners & Pilots Asso | Frederick | $44,782,973 |
| Madison Street Properties Inc | Baltimore | $44,693,777 |
| Bryn Mawr School for Girls of Baltimore City | Baltimore | $44,688,707 |
| Arc of Washington County Inc | Hagerstown | $44,002,634 |
| St Andrews Episcopal School Inc | Potomac | $43,986,421 |
| Electrical Training Alliance | Bowie | $43,405,479 |
| Point Breeze Credit Union | Hunt Valley | $42,823,299 |
| American Nurses Association Inc | Silver Spring | $41,919,839 |
| American Urological Association Education and Research Inc | Linthicum | $41,229,959 |
| Chevy Chase Club Inc | Chevy Chase | $41,226,169 |
| Carroll Lutheran Village Inc | Westminster | $41,119,308 |
| Rochambeau the French International School of Washington DC | Bethesda | $40,745,891 |
| Calvert Impact Capital Inc | Bethesda | $39,494,064 |
| Park School of Baltimore Inc | Baltimore | $38,665,354 |
| Charles E Smith Jewish Day School of Greater Washington Inc | Rockville | $38,491,840 |
| Homewood Living Plum Creek Inc | Williamsport | $38,296,529 |
| Associated Jewish Charities of Baltimore | Baltimore | $37,709,886 |
| Luminis Health Imaging Inc | Annapolis | $37,533,656 |
| Foundation Fighting Blindness Inc | Columbia | $36,615,169 |
| Friends School of Baltimore Inc | Baltimore | $36,204,585 |
| Collington Episcopal Life Care Community Inc | Mitchellville | $36,025,784 |
| Chesapeake Bay Foundation Inc | Annapolis | $35,411,298 |
| General German Aged Peoples Home of Baltimore | Towson | $35,311,709 |
| Roland Park Place Inc | Baltimore | $34,287,678 |
| Mercy Ridge Inc | Timonium | $33,592,471 |
| Calvert Health System Inc | Prnc Frederck | $33,101,945 |
| The United Way of Central Maryland Inc | Baltimore | $33,046,471 |
| Calvert School Inc | Baltimore | $32,489,955 |
| American Gastroenterological Association Institute Inc | Bethesda | $32,251,929 |
| Village at Orchard Ridge Inc | Frederick | $31,922,684 |
| Roland Park Country School Inc | Baltimore | $31,837,781 |
| Baltimore Museum of Art Inc | Baltimore | $31,764,477 |
| Annapolis Life Care Inc | Annapolis | $31,461,899 |
| Enterprise Community Loan Fund Inc | Columbia | $30,563,471 |
| Bakery & Confectionery Union & Industry Intl Health Benefits Fund | Kensington | $30,080,630 |
| Medstar Ambulatory Services Inc | Columbia | $29,900,467 |
| American College of Gastroenterology Inc | Rockville | $28,957,030 |
| Garrison Forest School Inc | Owings Mills | $28,719,733 |
| The Lutheran Village at Millers Grant Inc | Westminster | $27,966,741 |
| Boys Latin School of Maryland Incorporated | Baltimore | $27,397,388 |
| Johns Hopkins All Childrens Foundation Inc | Baltimore | $24,813,860 |
| Montgomery Housing Partnership Inc | Silver Spring | $24,495,869 |
| Community Foundation of Frederick County Maryland Incorporated | Frederick | $23,558,636 |
| The Keith Campbell Foundation for the Environment Inc | Bethesda | $23,062,582 |
| The Morningstar Philanthropic Foundation | Bethesda | $22,397,143 |
| J Willard and Alice S Marriott Foundation | Bethesda | $21,316,939 |
| Kahlert Foundation Inc | Sykesville | $20,864,922 |
| The Abell Foundation Inc | Baltimore | $19,375,292 |
| rise8 Foundation | Hunt Valley | $18,586,029 |
| Morgan State University Foundation Incorporated | Baltimore | $17,771,649 |
| United States Naval Academy Alumni Assoc | Annapolis | $16,059,020 |
| Baltimore Affordable Housing Development Inc | Baltimore | $15,994,584 |
| T Rowe Price Foundation | Baltimore | $14,872,160 |
| 22beacon Inc | Hanover | $14,571,903 |
| Johns Hopkins Hospital Endowment Fund Incorporated | Baltimore | $14,509,763 |
| Clark Charitable Foundation Inc | Bethesda | $12,133,652 |
| Mayberg Foundation Inc | Chevy Chase | $10,979,798 |
| Jacob and Hilda Blaustein Foundation Inc | Baltimore | $9,453,202 |
| Bunting Family Foundation Inc | Hunt Valley | $8,807,272 |
| National Foundation for Affordable Housing Solutions Inc | Rockville | $8,352,404 |
| Educational Foundation of America | Bethesda | $8,015,317 |
| Clark-Winchcole Foundation | Bethesda | $6,365,500 |
| Maryland Emergency Medicine Network | Baltimore | $5,634,251 |
| Solon E Summerfield Foundation Inc | Bethesda | $5,228,175 |
| Sherman Family Foundation | Baltimore | $3,680,497 |
| Harford Memorial Hospital Inc | Linthicum Heights | $3,129,710 |
| Robert I Schattner Foundation Inc | Rockville | $2,279,907 |
| Allen & Eve Foundation Inc | Hunt Valley | $1,405,189 |
| France-Merrick Foundation Inc | Baltimore | $426,610 |