| 1 | Financial Industry Regulatory Authority INC | Unclassified | $3.5B | $3.1B |
| 2 | Finra Regulation INC | Unclassified | $1.4B | $94.1M |
| 3 | Neca IBEW Family Medical Care Tr Fund | Mutual & Membership Benefit | $858.3M | $1.1B |
| 4 | Board of Education of Montgomery County Employee Benefit Trust Fund | Unclassified | $690.1M | $19.4M |
| 5 | United States Pharmacopeial Convention INC | Health Care | $585.2M | $788.7M |
| 6 | Foundation for the National Institute of Health INC | Medical Research | $432.6M | $214.1M |
| 7 | Special Agents Mutual Benefit | Unclassified | $344.9M | $249.6M |
| 8 | American Kidney Fund INC | Unclassified | $310.4M | $175.5M |
| 9 | American College of Gastroenterology INC | Medical Research | $146.5M | $316.9M |
| 10 | Goodwill Industries International INC | Recreation & Sports | $105.0M | $82.0M |
| 11 | American Speech Language & Hearing Assn. | Unclassified | $100.7M | $184.0M |
| 12 | Hebrew Home of Greater Washington INC | Health Care | $82.7M | $281.5M |
| 13 | Fisher House Foundation INC | Unclassified | $71.2M | $107.7M |
| 14 | Robert I Schattner Foundation INC | Unclassified | $62.6M | $150.1M |
| 15 | The Elsie & Marvin Dekelboum Foundaton INC | Unclassified | $61.2M | $60.8M |
| 16 | American Physiological Society | Mental Health & Crisis Intervention | $60.6M | $93.2M |
| 17 | King Farm Presbyterian Retirement | Housing & Shelter | $57.6M | $291.9M |
| 18 | Arc of Montgomery County INC | Unclassified | $53.0M | $26.2M |
| 19 | Child Trends Incorporated | Human Services | $52.6M | $25.0M |
| 20 | Transportation-communications Union | Unclassified | $47.1M | $46.7M |
| 21 | The Humane League | Animal-Related | $44.9M | $25.8M |
| 22 | Jewish Social Service Agency | Human Services | $43.4M | $72.3M |
| 23 | American Society for Biochemistry and Molecular Biology INC | Science & Technology | $42.2M | $121.9M |
| 24 | Association for Financial Professionals INC | Unclassified | $41.8M | $31.6M |
| 25 | Charles E Smith Jewish Day School of Greater Washington INC | Education | $40.2M | $70.0M |
| 26 | American Association of Immunologists INC | Diseases, Disorders & Medical Disciplines | $37.8M | $85.6M |
| 27 | Cornerstone Montgomery INC | Unclassified | $34.4M | $30.7M |
| 28 | Jewish Foundation for Group Homes | Human Services | $33.3M | $42.9M |
| 29 | Montgomery Hospice INC | Human Services | $33.2M | $43.6M |
| 30 | Woodmont Country Club | Unclassified | $32.7M | $61.5M |
| 31 | Ivymount School INC | Education | $31.9M | $16.4M |
| 32 | Mechanical Contractors Association of America INC | Unclassified | $30.4M | $39.5M |
| 33 | The Association for Research in Vision and Ophthalmology | Unclassified | $30.0M | $23.3M |
| 34 | Inteleos INC | Unclassified | $29.8M | $28.0M |
| 35 | Montgomery County Green Bank Corp. | Environment | $25.5M | $141.1M |
| 36 | Federation of American Societies for Experimental Biology | Unclassified | $24.0M | $14.8M |
| 37 | American Society of Human Genetics | Unclassified | $24.0M | $24.3M |
| 38 | Melvin J Berman Hebrew Academy | Religion-Related | $23.5M | $25.9M |
| 39 | Montgomery College Foundation INC | Education | $22.5M | $113.4M |
| 40 | Jerrold van Winter Charitablefoundation | Philanthropy, Voluntarism & Grantmaking | $22.2M | $62.8M |
| 41 | American Podiatric Medical Assoc | Unclassified | $21.3M | $23.3M |
| 42 | Tlc- the Treatment & Learning Centers INC | Unclassified | $21.0M | $27.2M |
| 43 | Interfaith Works INC | Religion-Related | $20.6M | $6.5M |
| 44 | The Montgomery County Coalition for the Homeless INC | Human Services | $19.1M | $5.7M |
| 45 | Worksource Montgomery INC | Community Improvement & Capacity Building | $19.0M | $11.5M |
| 46 | Regulatory Affairs Professionals Society | Public & Societal Benefit | $18.1M | $13.2M |
| 47 | American Society of Addiction Medicine INC | Mental Health & Crisis Intervention | $17.6M | $16.9M |
| 48 | Everymind INC | Mental Health & Crisis Intervention | $17.1M | $6.9M |
| 49 | Association of Community Cancer Centers | Diseases, Disorders & Medical Disciplines | $16.9M | $12.6M |
| 50 | Manor Country Club | Unclassified | $15.6M | $14.2M |
| 51 | Lakewood Country Club | Unclassified | $15.3M | $18.7M |
| 52 | American Society for Pharmacology and Experimental Therapeutics INC | Health Care | $14.9M | $31.1M |
| 53 | American Occupational Therapy Foundation INC | Unclassified | $14.1M | $38.2M |
| 54 | Bender Jcc of Greater Washington | Human Services | $13.3M | $30.0M |
| 55 | American Association for Anatomy | Science & Technology | $13.2M | $15.5M |
| 56 | American Society of Plant Biologists | Unclassified | $12.2M | $22.6M |
| 57 | Roberts Oxygen Co INC Employee Benefit Trust Fund | Mutual & Membership Benefit | $12.0M | $1.6M |
| 58 | Biomedical Research Institute | Unclassified | $11.9M | $20.3M |
| 59 | Momentum Unlimited INC | Religion-Related | $11.9M | $9.4M |
| 60 | Gary and Pennie Abramson Charitable Foundation | Philanthropy, Voluntarism & Grantmaking | $11.7M | $47.0M |
| 61 | Aoac International | Medical Research | $11.6M | $9.1M |
| 62 | Finra Investor Education Foundation | Community Improvement & Capacity Building | $11.4M | $85.6M |
| 63 | Landow House INC | Housing & Shelter | $11.2M | $22.9M |
| 64 | Cancer Research America Nfcr INC | Medical Research | $11.2M | $12.3M |
| 65 | Pediatric Nursing Certification Board INC | Unclassified | $10.9M | $40.3M |
| 66 | Kids After Hours Child Care Centers | Human Services | $10.5M | $2.2M |
| 67 | Victory Housing INC | Housing & Shelter | $10.1M | $67.3M |
| 68 | Laszlo N Tauber Family Foundation INC | Philanthropy, Voluntarism & Grantmaking | $9.9M | $40.9M |
| 69 | Move United | Recreation & Sports | $9.8M | $7.2M |
| 70 | Green Acres School INC | Education | $9.4M | $13.1M |
| 71 | Main Street Connect INC | Housing & Shelter | $9.3M | $10.3M |
| 72 | Ring House Corporation | Housing & Shelter | $9.2M | $27.3M |
| 73 | Westminster Ingleside Presbyterian Foundation | Housing & Shelter | $9.0M | $34.2M |
| 74 | American Society for Nutrition INC | Food, Agriculture & Nutrition | $8.4M | $13.7M |
| 75 | Atlantic Gateway Communications INC | Arts, Culture & Humanities | $8.4M | $22.8M |
| 76 | National Foundation for Affordable Housing Solutions INC | Housing & Shelter | $8.4M | $274.8M |
| 77 | The Stanley Medical Research Institute | Medical Research | $8.3M | $93.3M |
| 78 | Westminster Ingleside King Farm Presbyterian Retirement Communitie | Crime & Legal-Related | $8.2M | $5.2M |
| 79 | Montgomery Child Care Association INC | Human Services | $8.0M | $8.5M |
| 80 | Jewish Camp and Conference Service INC | Unclassified | $7.9M | $17.8M |
| 81 | Mobile Medical Care INC | Health Care | $7.9M | $3.0M |
| 82 | Ingrid D Tauber Fund INC | Philanthropy, Voluntarism & Grantmaking | $7.9M | $25.3M |
| 83 | Leveling the Playing Field INC | Recreation & Sports | $7.8M | $4.1M |
| 84 | Association of Immunization Managers | Diseases, Disorders & Medical Disciplines | $7.6M | $3.5M |
| 85 | Housing Unlimited INC | Housing & Shelter | $7.4M | $17.2M |
| 86 | Association for Molecular Pathology INC | Education | $7.3M | $15.5M |
| 87 | American Society for Cell Biology | Unclassified | $7.3M | $15.1M |
| 88 | Executive Child Development Center | Human Services | $7.2M | $8.3M |
| 89 | Rona and Jeffrey Abramson Foundation | Philanthropy, Voluntarism & Grantmaking | $7.1M | $43.6M |
| 90 | Montgomery County Education Association INC | Unclassified | $7.0M | $9.4M |
| 91 | American Latvian Association in the United States INC | Arts, Culture & Humanities | $6.9M | $9.0M |
| 92 | Genetics Society of America Incorporated | Unclassified | $6.8M | $16.7M |
| 93 | Autism Society of America INC | Unclassified | $6.8M | $2.4M |
| 94 | Nasdaq Philanthropic Foundation INC | Unclassified | $6.5M | $32.5M |
| 95 | Montgomery County Collaboration Council | Health Care | $6.4M | $3.8M |
| 96 | Montgomery County Economic Development Corporation | Community Improvement & Capacity Building | $6.2M | $4.7M |
| 97 | Bethesda Soccer Club INC | Recreation & Sports | $6.2M | $3.0M |
| 98 | Save a Childs Heart Foundation US I Nc | Unclassified | $6.1M | $4.1M |
| 99 | Jewish Council for the Aging of Greater Washington INC | Human Services | $6.1M | $7.9M |
| 100 | Head Injury Rehabilitation and Referral Services INC | Diseases, Disorders & Medical Disciplines | $5.9M | $6.2M |