| AMERICAN INSTITUTE FOR CHARTERED PROPERTY CASUALTY UNDERWRITERS | $75,791,847 | $71,137,079 |
| MALVERN PREPARATORY SCHOOL | $27,438,870 | $25,419,574 |
| ERM GROUP HEALTH AND WELFARE TRUST | $24,194,475 | $24,868,941 |
| VALLEY FORGE EDUCATIONAL SERVICES | $18,350,704 | $17,660,148 |
| AMERICAN SCHOOL OF TANGIER | $8,046,116 | $8,111,756 |
| SOCIETY OF CHARTERED PROPERTY AND CASUALTY UNDERWRITERS | $6,606,850 | $6,180,906 |
| PEOPLES LIGHT AND THEATRE COMPANY | $10,701,581 | $6,047,465 |
| FBI-LEEDA INC | $5,928,163 | $5,446,029 |
| CHESTER VALLEY GOLF CLUB | $4,448,183 | $4,454,031 |
| PHELPS SCHOOL | $4,001,017 | $3,498,471 |
| BAKER INDUSTRIES | $2,216,768 | $2,232,798 |
| SUBURBAN WEST REALTORS ASSOCIATION | $2,305,681 | $1,834,395 |
| AMERICAN FRIENDS OF NEW COLLEGE LTD CO WINSTON J CHURCHILL JR | $4,016,388 | $1,678,679 |
| TRANSPORTATION MANAGEMENT ASSOCIATION OF CHESTER COUNTY | $1,679,803 | $1,627,503 |
| RADNOR HUNT | $1,628,827 | $1,611,335 |
| BRINGING HOPE HOME INC | $1,668,901 | $1,484,616 |
| PJM POWER PROVIDERS GROUP | $1,617,223 | $1,482,057 |
| AMERICAN COLLEGE OF VET RADIOLOGY | $1,265,607 | $1,452,029 |
| INSTITUTES RISKSTREAM COLLABORATIVE INC | $1,053,473 | $1,388,913 |
| THERAPEUTIC HORSEBACK RIDING INC | $2,440,047 | $1,202,250 |
| BRYN MAWR REHABILITATION FOUNDATION | $1,337,505 | $1,095,248 |
| CPCU - HARRY J LOMAN EDUCATION FOUNDATION | $58,917 | $1,087,437 |
| GRIFFITH INSURANCE EDUCATION FOUNDATION | $216,872 | $1,046,415 |
| WILLISTOWN COUNTRY DAY SCHOOL | $825,594 | $830,907 |
| AMERICAN RISK AND INSURANCE ASSOC INC | $655,919 | $780,608 |