| HARMONY DC PUBLIC CHARTER SCHOOLS | $2,972,529 | $2,892,540 |
| NATIONAL CENTER FOR LEARNING DISABILITIES INC | $3,291,073 | $2,892,420 |
| NATIONAL TAXPAYERS UNION | $3,155,726 | $2,891,540 |
| QUALITY TRUST FOR INDIVIDUALS WITH DISABILITIES INC | $2,432,884 | $2,886,986 |
| OIL CHANGE INTERNATIONAL INC | $3,522,810 | $2,886,617 |
| FRIENDS OF THE BRITISH COUNCIL USA | $3,971,251 | $2,885,960 |
| CAPITAL PARTNERS FOR EDUCATION INC | $1,529,083 | $2,884,035 |
| AMERICAN JOURNALISM PROJECT INC | $18,049,875 | $2,883,492 |
| US CLIMATE ACTION NETWORK | $2,675,963 | $2,880,772 |
| DISTRICT OF COLUMBIA CHILDRENS ADVOCACY CENTER | $2,905,781 | $2,878,631 |
| FUTURE FORWARD USA ACTION | $6,908,539 | $2,877,797 |
| NATIONAL OCEAN INDUSTRIES ASSOCIATION | $3,383,062 | $2,875,639 |
| FEDERATION OF AMERICAN SCIENTISTS | $6,756,159 | $2,874,949 |
| ST MARYS COURT HOUSING DEVELOPMENT CORP | $2,909,172 | $2,862,701 |
| INTERNATIONAL TAX AND INVESTMENT CENTER | $2,509,762 | $2,860,927 |
| ASBURY DWELLINGS INC | $3,290,023 | $2,859,453 |
| FAITH IN PUBLIC LIFE INC | $2,878,871 | $2,857,946 |
| HOUSE OF THE TEMPLE HISTORIC PRESERVATION FOUNDATION INC | $3,347,536 | $2,854,123 |
| ASSOCIATION OF BLACK CARDIOLOGISTS INC | $3,212,687 | $2,844,422 |
| MARINE TECHNOLOGY SOCIETY INC | $2,871,813 | $2,840,068 |
| ASSOCIATION FOR THE ACCREDITATION OF HUMAN RESEARCH PROTECTION PROGRAMS INC | $3,779,821 | $2,831,290 |
| J STREET | $2,668,699 | $2,830,622 |
| PUBLIC ACCESS CORPORATION OF DC | $3,370,222 | $2,830,225 |
| AMERICAN AUTOMOTIVE POLICY COUNCIL | $3,025,457 | $2,827,348 |
| FEDERATION OF TAX ADMINISTRATORS | $2,865,732 | $2,817,261 |