| 1 | Dunn's Foundation for the Advancement of Right Thinking | 15 | $5,917,000 |
| 2 | DonorsTrust | 83 | $5,200,550 |
| 3 | Sarah Scaife Foundation | 36 | $3,865,000 |
| 4 | The Lynde and Harry Bradley Foundation | 39 | $1,780,040 |
| 5 | Exxon Mobil | 13 | $1,690,000 |
| 6 | Searle Freedom Trust | 18 | $1,560,000 |
| 7 | Donors Capital Fund | 9 | $1,127,279 |
| 8 | Claude R. Lambe Charitable Foundation | 15 | $364,820 |
| 9 | Scaife Family Foundation | 6 | $350,000 |
| 10 | The Randolph Foundation | 8 | $349,885 |
| 11 | Barbara and Barre Seid Foundation | 7 | $343,190 |
| 12 | David H. Koch Charitable Foundation | 9 | $315,000 |
| 13 | Earhart Foundation | 12 | $240,000 |
| 14 | John M. Olin Foundation | 6 | $230,300 |
| 15 | Chase Foundation of Virginia | 12 | $216,960 |
| 16 | Claws Foundation | 5 | $210,000 |
| 17 | Castle Rock Foundation | 5 | $210,000 |
| 18 | Robert W. Wilson Charitable Trust | 6 | $210,000 |
| 19 | American Future Fund | 1 | $150,000 |
| 20 | William H. Donner Foundation | 4 | $143,708 |
| 21 | Robert P. Rotella Foundation | 6 | $122,500 |
| 22 | Charles G. Koch Charitable Foundation | 8 | $119,703 |
| 23 | Armstrong Foundation | 15 | $117,500 |
| 24 | The Shelby Cullom Davis Foundation | 7 | $100,000 |
| 25 | JM Foundation | 4 | $80,000 |
| 26 | The Rodney Fund | 11 | $78,000 |
| 27 | The Roe Foundation | 8 | $70,000 |
| 28 | PhRMA | 3 | $60,000 |
| 29 | The Carthage Foundation | 2 | $60,000 |
| 30 | Philip M. McKenna Foundation | 5 | $50,000 |
| 31 | Jaquelin Hume Foundation | 1 | $50,000 |
| 32 | Ravenel and Elizabeth Curry Foundation | 3 | $45,000 |
| 33 | The Vernon K. Krieble Foundation | 7 | $42,000 |
| 34 | The Challenge Foundation | 3 | $40,000 |
| 35 | John William Pope Foundation | 4 | $40,000 |
| 36 | Holman Foundation | 3 | $35,062 |
| 37 | The Whitcomb Charitable Foundation | 6 | $30,500 |
| 38 | Pierre F. and Enid Goodrich Foundation | 2 | $30,000 |
| 39 | Aequus Institute | 8 | $27,000 |
| 40 | Crossroads GPS | 1 | $25,000 |
| 41 | American Petroleum Institute | 1 | $25,000 |
| 42 | National Christian Charitable Foundation | 2 | $22,500 |
| 43 | Same Line Foundation | 4 | $22,000 |
| 44 | Woodhouse Family Foundation | 4 | $18,000 |
| 45 | The Robertson-Finley Foundation | 6 | $15,000 |
| 46 | Lowndes Foundation | 2 | $15,000 |
| 47 | Diana Davis Spencer Foundation | 3 | $13,000 |
| 48 | Herrick Foundation | 1 | $10,000 |
| 49 | Deramus Foundation | 1 | $10,000 |
| 50 | The Gordon and Mary Cain Foundation | 1 | $5,000 |
