| 1 | Bright Future Fund | College Park | — | 2 | $3,550,000 |
| 2 | Ua Union Plumbers & Pipefitters Vote! PAC | Annapolis | — | 5 | $2,495,000 |
| 3 | Atu Action Fund | Silver Spring | — | 8 | $2,370,000 |
| 4 | Casa in Action | Hyattsville | — | 10 | $1,927,189 |
| 5 | Trone, David | Potomac | US House of Representatives | 120 | $1,637,657 |
| 6 | Trone, June | Potomac | Not Employed | 75 | $1,462,500 |
| 7 | Gelman, Michael | Chevy Chase | Not Employed | 120 | $1,330,800 |
| 8 | Ua Union Plumbers & Pipefitters Vote! PAC (United Association of Journeymen and Apprentices of the Plumbing & Pipefitting Industry of the United States and Canada) | Annapolis | — | 5 | $1,125,000 |
| 9 | Davis, James C. | Hanover | Allegis Group | 50 | $1,069,100 |
| 10 | United Association Political Issues Fund | Annapolis | — | 4 | $1,050,000 |
| 11 | American Advancement INC. | Hyattsville | — | 1 | $1,000,000 |
| 12 | Haverford-Valley, L.L.C | Potomac | — | 3 | $1,000,000 |
| 13 | United Association of Journeymen & Apprentices of the Pipefitting Industry | Annapolis | — | 2 | $1,000,000 |
| 14 | Hogan Victory Fund | Annapolis | — | 2 | $975,000 |
| 15 | Seale, William | Annapolis | Not Employed | 45 | $956,950 |
| 16 | Klubes, Benjamin | Bethesda | Hud | 141 | $952,849 |
| 17 | Advancement INC., American | Hyattsville | N/a | 1 | $950,000 |
| 18 | Bainum, Sandra | Chevy Chase | N/a | 4 | $949,600 |
| 19 | Bainum, Stewart Jr. | Fulton | Choice Hotels | 3 | $942,600 |
| 20 | Wellness Advocacy Fund | Fulton | — | 4 | $925,000 |
| 21 | Gabel, Caroline | Chestertown | Not Employed | 297 | $865,822 |
| 22 | American Advancement, INC | Hyattsville | — | 2 | $825,000 |
| 23 | Hackerman, Nancy | Baltimore | Hackerman Holdings, LLC | 16 | $811,430 |
| 24 | Determan, Mark | Laurel | Department of Justice | 33 | $768,480 |
| 25 | Schwartzberg, Andrew | North Bethesda | Housing INC. | 2 | $750,000 |
| 26 | Pugh, William | Bethesda | Not Employed | 73 | $732,800 |
| 27 | Jacobsen, Mark | Bethesda | Intrafi | 76 | $730,645 |
| 28 | Lippe, David | Hunt Valley | Renaissance Technologies LLC | 53 | $726,700 |
| 29 | Gelman, Susie | Chevy Chase | Retired | 9 | $697,599 |
| 30 | Schwartzberg, Andrew | Bethesda | Housing INC. | 32 | $674,000 |
| 31 | Sweet, Chad | Bethesda | Chertoff Capital | 13 | $655,400 |
| 32 | Smith, Michael | Chevy Chase | Cornerstone Government Affairs | 288 | $654,250 |
| 33 | Edgewater Partnership LP | Baltimore | — | 1 | $650,000 |
| 34 | Lippe, Cynthia | Hunt Valley | Hcds | 9 | $581,500 |
| 35 | Johnston, Neele | Cabin John | Intelligenesis, INC. | 193 | $553,375 |
| 36 | Zirkin, Nancy | Chevy Chase | Self Employed | 128 | $551,325 |
| 37 | Rosenblum, Bruce | Potomac | the Carlyle Group | 91 | $539,050 |
| 38 | Gelman, Susan | Chevy Chase | Not Employed | 105 | $538,700 |
| 39 | National Nurses United | Silver Spring | — | 2 | $525,000 |
| 40 | Wallace, Henry Scott | Bethesda | Wallace Global Fund | 7 | $513,431 |
| 41 | Henneberry, Brian | Potomac | Koch | 100 | $513,031 |
| 42 | Sunbelt Beverage | Glen Burnie | — | 2 | $500,000 |
| 43 | Ua Union Plumbers and Pipefitters Vote! PAC | Annapolis | — | 1 | $500,000 |
| 44 | Trone, David | Bethesda | US Congress | 28 | $498,425 |
| 45 | Klein, Michael | Sykesville | Charles a Klein | 2,174 | $496,750 |
| 46 | Aronson, Bernard | Takoma Park | Acon Investments LLC | 73 | $471,500 |
| 47 | Drezner, Jeffrey | Potomac | Not Employed | 63 | $460,468 |
| 48 | Krasnican, Janet | Bethesda | Not Employed | 3,114 | $457,290 |
| 49 | Joseph, Mark | Baltimore | Not Employed | 160 | $442,762 |
| 50 | Buhler, Lynn | Baltimore | Tpag | 699 | $440,515 |