| The Keith Campbell Foundation | Bethesda | $7,940 | 473 | $81.9M |
| The Abell Foundation Inc | Baltimore | $20,000 | 401 | $57.3M |
| France-Merrick Foundation Inc | Baltimore | $15,000 | 358 | $40.8M |
| T Rowe Price Foundation | Baltimore | $12,500 | 230 | $50.9M |
| David & Barbara B Hirschhorn | Baltimore | $15,000 | 149 | $11.2M |
| The Marion I & Henry J Knott | Baltimore | $8,875 | 148 | $10.9M |
| Mayberg Foundation Inc | Chevy Chase | $11,000 | 129 | $27.6M |
| The John J Leidy Foundation Inc | Towson | $7,500 | 120 | $3.6M |
| The Joseph Meyerhoff Fund Inc | Baltimore | $15,000 | 105 | $13.3M |
| The Elizabeth B and Arthur E Roswell | Baltimore | $10,000 | 95 | $5.8M |
| Robert W Deutsch Foundation | Baltimore | $20,000 | 94 | $14.7M |
| Lockhart Vaughan Foundation | Baltimore | $20,000 | 93 | $8.4M |
| The Baltimore Orioles Foundation Inc | Baltimore | $5,000 | 93 | $3.6M |
| Herbert Bearman Foundation | Brooklandville | $15,000 | 91 | $5.4M |
| Luther I Replogle Foundation | Potomac | $7,500 | 85 | $2.4M |
| Clayton Baker Trust | Baltimore | $20,000 | 83 | $8.3M |
| The Aaron & Lillie Straus Fdn Inc 9830002 | Baltimore | $6,000 | 79 | $11.3M |
| Crane Family Foundation Inc | Baltimore | $20,000 | 77 | $12.6M |
| William E Cross Foundation Inc | Frederick | $5,000 | 73 | $9.9M |
| Healthcare Initiative Foundation | Germantown | $15,875 | 70 | $5.7M |
| The Phase Foundation | Germantown | $5,000 | 70 | $1.2M |
| Mead Family Foundation | Bethesda | $20,000 | 70 | $10.3M |
| Thomas Wilson Sanitarium | Lutherville | $10,000 | 66 | $3.6M |
| Alvin and Louise Myerberg Family Foundation | Annapolis | $5,000 | 64 | $2.1M |
| Redskin Foundation Inc | Bethesda | $10,000 | 61 | $3.0M |
| The Goldsmith Family Foundation Inc | Baltimore | $6,662 | 57 | $8.4M |
| Dorney-Koppel Foundation Inc | Potomac | $5,000 | 52 | $4.3M |
| George Wasserman Family Foundation Inc | Bethesda | $5,000 | 51 | $1.8M |
| The Helen J Serini Foundation Inc | Reisterstown | $10,000 | 47 | $1.2M |
| The Harvey M Meyerhoff Fund Inc | Baltimore | $6,000 | 47 | $2.5M |
| Ben & Esther Rosenbloom Foundation Inc | Baltimore | $16,000 | 45 | $8.1M |
| The Richman Foundation Inc | Baltimore | $20,000 | 45 | $3.1M |
| The Huethermcclelland Foundation Inc | Phoenix | $5,000 | 43 | $2.1M |
| Farm Credit Foundation for Agricultural | Westminster | $10,000 | 41 | $1.3M |
| Joseph E & Marjorie B Jones | Annapolis | $20,000 | 40 | $5.1M |
| William L & Victorine Q Adams Foundation | Baltimore | $9,050 | 38 | $1.4M |
| The O'neil Family Foundation Inc | Owings Mills | $11,000 | 37 | $4.6M |
| Pettit Family Charitable Foundation | Gaithersburg | $5,000 | 37 | $1.0M |
| Hecht-Levi Foundation Inc | Baltimore | $5,000 | 37 | $5.6M |
| The Rcm&d Foundation | Towson | $5,000 | 33 | $976K |
| The David and June Trone Family | Bethesda | $20,000 | 32 | $13.6M |
| The Aber D Unger Foundation Inc | Baltimore | $10,000 | 32 | $1.5M |
| Gordon Croft Foundation Inc | Towson | $5,000 | 31 | $1.9M |
| Frank E & Miriam Loveman | Owings Mills | $10,000 | 30 | $2.0M |
| Donnie Williams Foundation Inc | Salisbury | $20,000 | 27 | $2.9M |
| Fordi Family Foundation Inc | Annapolis | $5,000 | 26 | $1.4M |
| The Blum Family Foundation Inc | Baltimore | $5,000 | 26 | $1.5M |
| Sweetser Foundation Inc | Annapolis | $5,000 | 26 | $842K |
| Alice V & David W Fletcher | Hagerstown | $20,000 | 25 | $3.8M |
| The Rachuba Family Foundation Inc | Eldersburg | $5,000 | 24 | $1.2M |
| Newday USA Foundation Inc | Fulton | $10,000 | 24 | $3.6M |
| Dart Group II Foundation Inc | Bethesda | $5,000 | 24 | $853K |
| Richard a Henson Foundation Inc | Salisbury | $18,375 | 23 | $7.2M |
| Bossak-Heilbron Charitable | Potomac | $5,000 | 21 | $482K |
| The Morris a and Clarisse B | Bel Air | $5,000 | 20 | $1.5M |
| The Kenneth L Greif Foundation Inc | Baltimore | $11,250 | 20 | $2.1M |
| Cora and John H Davis Foundation Inc | Rockville | $20,000 | 17 | $2.5M |
| The Jean and Sidney Silber Foundation | Baltimore | $15,000 | 17 | $4.2M |
| Ray Rowe 1988 Tr for Animals | Baltimore | $5,000 | 17 | $122K |
| Second Street & Hope Inc | Frederick | $5,000 | 16 | $290K |
| The Kathryn Ames Foundation Inc | Towson | $13,000 | 16 | $2.0M |
| Haugh Family Charitable Foundation | Laurel | $5,000 | 15 | $601K |
| Lutheran Home and Hospital Foundation | Hampstead | $5,003 | 15 | $275K |
| The Anne D and Chares a Camalier JR | Bethesda | $5,000 | 15 | $510K |
| The Ellen Wp Wasserman Foundation | Baltimore | $14,217 | 14 | $9.2M |
| Ruth & Samuel Salzberg Family Foundation | Rockville | $5,500 | 14 | $674K |
| Albert E & Naomi B Sinnisen Foundation | Williamsport | $5,000 | 14 | $234K |
| Scharf Foundation Inc | Davidsonville | $5,000 | 14 | $258K |
| The Nancy Sherertz Family | Baltimore | $7,500 | 13 | $773K |
| Bastinelli Family Foundation Inc | Reisterstown | $6,250 | 13 | $459K |
| The Feinberg Foundation | Bethesda | $10,000 | 12 | $1.7M |
| The James R & Mary Jane Barrett | Baltimore | $8,000 | 12 | $299K |
| The Thomas W Bradley Foundation Inc | Towson | $7,500 | 12 | $346K |
| Dart Group Foundation Inc | Bethesda | $10,000 | 12 | $492K |
| The Cole Family Foundation Inc | Salisbury | $5,000 | 12 | $353K |
| Kevin E Myers Family Foundation | Berlin | $8,000 | 12 | $2.2M |
| Joe & Missy Walsh Family Foundation | Potomac | $5,000 | 11 | $232K |
| The Azar Foundation for Children | Potomac | $7,000 | 11 | $554K |
| Guy T Steuart Foundation Inc | Chevy Chase | $5,000 | 10 | $172K |