| CONFEDERATION OF INDIAN INDUSTRY | $72,699,192 | $71,424,571 |
| AMERICAN INSTITUTE IN TAIWAN | $65,412,389 | $62,858,920 |
| INTERNATIONAL FOUNDATION FOR ELECTORAL SYSTEMS | $60,615,172 | $60,979,141 |
| NATIONAL COUNCIL ON AGING INC | $59,804,505 | $59,214,039 |
| TROUT UNLIMITED INC | $60,391,561 | $57,903,753 |
| MERCATUS CENTER INC | $71,902,379 | $57,876,827 |
| AMERICAN ASSOCIATION OF MOTOR VEHICLE ADMINISTRATORS | $43,265,152 | $47,328,772 |
| AMERICAN TRUCKING ASSOCIATIONS INC | $45,548,396 | $46,306,128 |
| SEMINAR NETWORK INC | $23,531,841 | $45,591,475 |
| STAND TOGETHER FOUNDATION | $54,934,725 | $45,265,938 |
| AMYOTROPHIC LATERAL SCLEROSIS ASSN | $37,031,804 | $41,808,503 |
| ARMY NAVY COUNTRY CLUB | $33,655,141 | $40,479,817 |
| ASHOKA | $59,268,790 | $40,340,966 |
| COUNTERPART INTERNATIONAL INC | $39,875,341 | $39,576,542 |
| NATIONAL ASSN OF CHAIN DRUG STORES INC | $42,092,544 | $39,093,980 |
| BLUMONT GLOBAL DEVELOPMENT INC | $38,517,492 | $38,318,178 |
| NATIONAL ASSOCIATION OF STATE DEPARTMENTS OF AGRICULTURE | $37,696,466 | $37,292,231 |
| ASSOCIATION OF THE UNITED STATES ARMY | $36,721,429 | $37,185,168 |
| NATIONAL APARTMENT ASSOCIATION | $36,126,908 | $37,049,305 |
| NATIONAL ASSOCIATION OF CORPORATE DIRECTORS | $37,947,871 | $37,027,047 |
| STUDENT CONSERVATION ASSOCIATION INC | $37,357,144 | $36,997,136 |
| US CIVILIAN RESEARCH AND DEVELOPMENT FOUNDATION | $36,333,486 | $35,642,118 |
| CAPITAL IMPACT PARTNERS | $33,670,577 | $35,434,432 |
| AIR-CONDITIONING HEATING AND REFRIGERATION INSTITUTE | $33,464,895 | $35,044,150 |
| ASSOCIATION OF STATE AND TERRITORIAL HEALTH OFFICIALS | $34,974,755 | $32,648,175 |