| BSI INC | $7,223,241 | $7,941,268 |
| NATIONAL ASSOCIATION OF STATE MENTAL HEALTH PROGRAM DIRECTORS | $8,216,479 | $7,921,528 |
| NATIONAL ASSOCIATION OF PROFESSIONAL EMPLOYER ORGANIZATIONS | $8,304,521 | $7,908,627 |
| OUTDOOR POWER EQUIPMENT INSTITUTE INC | $8,779,829 | $7,858,323 |
| INTERNATIONAL SIGN ASSOCIATION | $8,346,522 | $7,841,934 |
| NATIONAL SHERIFFS ASSOICATION | $7,196,075 | $7,708,756 |
| FEDERATION OF RESPONSIBLE CITIZENS INC | $8,748,432 | $7,680,270 |
| NATIONAL MOTOR FREIGHT TRAFFIC ASSOCIATION INC | $11,002,629 | $7,657,987 |
| SEA SHEPHERD CONSERVATION SOCIETY | $8,630,508 | $7,619,111 |
| SOCIETY OF AMERICAN MILITARY ENGINEERS | $8,086,021 | $7,436,588 |
| AMERICAN ASSOCIATION FOR MARRIAGE AND FAMILY THERAPY | $7,135,190 | $7,272,637 |
| MOUNT VERNON COUNTRY CLUB INC | $7,390,102 | $7,268,879 |
| ASSOCIATION OF CLINICAL RESEARCH PROFESSIONALS | $6,980,878 | $7,203,595 |
| ASSOCIATION OF HIGHER EDUCATION FACILITIES OFFICERS | $6,218,611 | $7,163,621 |
| NATIONAL OILHEAT RESEARCH ALLIANCE | $9,427,670 | $7,018,912 |
| ALEXANDRIA COUNTRY DAY SCHOOL INC | $6,754,471 | $7,008,801 |
| NATIONAL VIETNAM VETERANS FOUNDATIONINC | $7,051,150 | $7,001,608 |
| ASSOCIATION OF GOVERNMENT ACCOUNTANTS | $6,922,866 | $6,793,443 |
| SELF STORAGE ASSOCIATION INC | $8,065,312 | $6,687,863 |
| AMERICAN SEED TRADE ASSOCIATION | $6,426,442 | $6,636,982 |
| AMERICAN BOARD FOR CERTIFICATION IN ORTHOTICS PROSTHETICS AND PEDORTHICS | $7,682,739 | $6,606,980 |
| NATIONAL ASSOCIATION OF ELEMENTARY SCHOOL PRINCIPALS | $7,165,925 | $6,594,476 |
| PREVENT CANCER FOUNDATION AKA CANCER RESEARCH AND PREVENTION FNDN | $5,949,183 | $6,520,192 |
| LEARNING FOUNDATIONS OF METRO WASHINGTON INC | $6,621,210 | $6,475,688 |
| ZERO THE END OF PROSTATE CANCER | $7,138,974 | $6,406,843 |