OpenSecrets.Org: Heavy Hitters - All Time Top Donors, 1989-2014
1 ActBlue $134,256,895 99% 0%
2 National Education Assn $75,194,932 46% 3%
3 American Fedn of State, County & Municipal Employees $67,343,802 76% 0%
4 National Assn of Realtors $64,766,517 37% 39%
5 AT&T Inc $59,356,045 41% 58%
6 Intl Brotherhood of Electrical Workers $48,382,064 90% 1%
7 Goldman Sachs $47,680,848 52% 44%
8 Carpenters & Joiners Union $46,383,749 65% 8%
9 American Assn for Justice $45,991,140 83% 7%
10 United Auto Workers $43,083,925 72% 0%
11 Laborers Union $41,534,389 81% 7%
12 Service Employees International Union $40,625,095 83% 2%
13 American Federation of Teachers $38,801,158 89% 0%
14 Communications Workers of America $38,411,854 85% 0%
15 AFL-CIO $38,001,705 52% 2%
16 United Food & Commercial Workers Union $37,774,721 81% 0%
17 Teamsters Union $36,176,902 92% 5%
18 United Parcel Service $34,230,125 35% 64%
19 National Auto Dealers Assn $34,122,760 31% 68%
20 Citigroup Inc $33,982,257 48% 50%
21 JPMorgan Chase & Co $33,772,344 47% 51%