35 donors on record.

Ordered By: Number of Transactions (High to Low)

Transactions on Record
1Charles G. Koch Charitable Foundation1,831
2CIGNA Foundation1,063
3Colcom Foundation876
4Castle Rock Foundation699
5Chase Foundation of Virginia574
6Claude R. Lambe Charitable Foundation542
7Charlotte and Walter Kohler Charitable Trust188
8Chiaroscuro Foundation169
9Claws Foundation114
10Center to Protect Patient Rights110
11Charles Koch100
12Contran Corporation81
13Cato Institute57
14Center for Educational Innovation52
15Center for Independent Thought40
16Crossroads GPS33
17Caroline Fiddes29
18Crow Holdings18
19Center for Consumer Freedom13
20Construction Business Group12
21Conservative Action League9
22Center for Union Facts8
23Contran Corporation Political Action Committee6
24Concerned Women for America5
25Center for the Study of Carbon Dioxide and Global Change4
26Chartwell Partners LLC4
27Collegiate Network3
28Citizens In Charge2
29Chartwell Partners2
30CACI International1
31Center for Education Reform1
32Crow Holdings NJ1
33Chris Randolph1
34Clarion Fund1
35Clarence L. Werner1
Contributions from private foundations and other nonprofit entities are based on a review of publicly available Forms 990 filed with the Internal Revenue Service. For more information about our methodology, visit our about page.