| EDISON ELECTRIC INSTITUTE INC | $91,100,523 | $94,680,869 |
| CORPORATION FOR TRAVEL PROMOTION | $75,249,330 | $94,240,260 |
| CARNEGIE INSTITUTION OF WASHINGTON | $73,959,417 | $93,995,644 |
| UNITED BROTHERHOOD OF CARPENTERS AND JOINERS OF AMERICA | $109,647,775 | $93,758,338 |
| AMERICAN FEDERATION OF LABOR AND CONGRESS OF INDUSTRIAL ORGANIZATIONS | $113,748,402 | $93,476,799 |
| UNITED MINE WORKERS OF AMERICA COMBINED BENEFIT FUND | $93,276,151 | $92,667,773 |
| AMERICAN FEDERATION OF GOVERNMENT EMPLOYEES | $83,877,022 | $88,900,295 |
| NATIONAL IAM BENEFIT TRUST FUND | $94,306,463 | $88,883,649 |
| PARALYZED VETERANS OF AMERICA | $97,544,526 | $88,587,857 |
| AMERICAN BEVERAGE ASSOCIATION | $90,043,181 | $87,019,171 |
| SHARE OUR STRENGTH | $159,804,700 | $86,282,451 |
| ACDIVOCA | $86,469,045 | $86,074,709 |
| AGA KHAN FOUNDATION USA | $173,497,175 | $85,351,889 |
| INTERNATIONAL REPUBLICAN INSTITUTE | $84,074,760 | $84,408,242 |
| INTERNATIONAL UNION OF OPERATING ENGINEERS | $84,140,299 | $83,898,391 |
| UNITED MINE WORKERS OF AMERICA 1992 BENEFIT PLAN | $84,488,963 | $83,844,241 |
| AMERICAN ASSOCIATION OF STATE HIGHWAY AND TRANSPORTATION OFFICIALS | $88,146,432 | $81,636,815 |
| PENN TREATY PROTECTED CELL OF LTC RE | $-61,467,591 | $80,331,761 |
| INTERNATIONAL RESEARCH AND EXCHANGES BOARD INC | $78,614,102 | $79,033,714 |
| URBAN LAND INSTITUTE | $74,391,526 | $78,341,423 |
| HERITAGE FOUNDATION | $122,861,202 | $77,972,750 |
| AMERICAN INSTITUTE OF ARCHITECTS | $79,815,711 | $77,457,449 |
| NATIONAL ASSOCIATION OF HOME BUILDERS OF THE UNITED STATES | $78,971,381 | $77,110,661 |
| GREATER WASHINGTON COMMUNITY FOUNDATION | $81,678,306 | $77,019,552 |
| CAPITAL AREA FOOD BANK INC | $92,359,588 | $76,888,865 |