| International Union of Operating Engineers | n/a · n/a | DC | 20201007 | $1.5M |
| International Union of Operating Engineers | n/a · n/a | DC | 20170901 | $997K |
| International Union of Operating Engineers | n/a · n/a | DC | 20191022 | $980K |
| International Union of Operating Engineers | n/a · n/a | DC | 20201019 | $931K |
| International Union of Operating Engineers | n/a · n/a | DC | 20180919 | $835K |
| International Union of Operating Engineers | n/a · n/a | DC | 20161004 | $760K |
| International Union of Operating Engineers | n/a · n/a | DC | 20181001 | $689K |
| International Union of Operating Engineers | n/a · n/a | DC | 20171218 | $684K |
| International Union of Operating Engineers | n/a · n/a | DC | 20180904 | $665K |
| International Union of Operating Engineers | N/A · N/A | DC | 20060605 | $500K |
| INternational Union of Operating Engineers | n/a · n/a | DC | 20060802 | $500K |
| International Union of Operating Engineers | N/A · N/A | DC | 20051103 | $500K |
| International Union of Operating Engineers | n/a · n/a | DC | 20090324 | $500K |
| INternational Union of Operating Engineers | n/a · n/a | DC | 20060711 | $500K |
| International Union of Operating Engineers | n/a · n/a | DC | 20191023 | $462K |
| International Union of Operating Engineers | n/a · n/a | DC | 20200923 | $450K |
| IUOE | n/a · n/a | DC | 20140912 | $408K |
| International Union of Operating Engineers | n/a · n/a | DC | 20180829 | $400K |
| International Union of Operating Engineers | n/a · n/a | DC | 20151218 | $333K |
| International Union of Operating Engineers | n/a · n/a | DC | 20180711 | $300K |
| International Union of Operating Engineers | n/a · n/a | DC | 20150831 | $300K |
| International Union of Operating Engineers | n/a · n/a | MD | 20200306 | $287K |
| IUOE | n/a · n/a | DC | 20140714 | $250K |
| International Union of Operating Engineers | n/a · n/a | DC | 20091015 | $250K |
| International Union of Operating Engineers | n/a · n/a | DC | 20101014 | $250K |
| International Union of Operating Engineers | n/a · n/a | DC | 20140116 | $250K |
| International Union of Operating Engineers | n/a · n/a | DC | 20180524 | $250K |
| International Union of Operating Engineers | n/a · n/a | DC | 20180529 | $250K |
| International Union of Operating Engineers | n/a · n/a | DC | 20100114 | $250K |
| International Union of Operating Engineers | n/a · n/a | DC | 20100920 | $250K |
| International Union of Operating Engineers | n/a · n/a | DC | 20181113 | $250K |
| International Union of Operating Engineers | n/a · n/a | DC | 20171219 | $222K |
| IUOE | n/a · n/a | DC | 20141006 | $218K |
| International Union of Operating Engineers | n/a · n/a | DC | 20171006 | $207K |
| International Union of Operating Engineers | n/a · n/a | DC | 20181113 | $200K |
| International Union of Operating Engineers | n/a · n/a | DC | 20180717 | $200K |
| International Union of Operating Engineers | n/a · n/a | DC | 20160829 | $188K |
| International Union of Operating Engineers | n/a · n/a | DC | 20170907 | $166K |
| International Union of Operating Engineers | n/a · n/a | DC | 20100927 | $165K |
| International Union of Operating Engineers | n/a · n/a | DC | 20150924 | $162K |
| International Union of Operating Engineers | n/a · n/a | DC | 20130912 | $158K |
| International Union of Operating Engineers | n/a · n/a | DC | 20130529 | $150K |
| International Union of Operating Engineers | n/a · n/a | MD | 20200325 | $150K |
| International Union of Operating Engineers | n/a · n/a | DC | 20150319 | $150K |
| International Union of Operating Engineers | n/a · n/a | DC | 20120228 | $150K |
| International Union of Operating Engineers | n/a · n/a | DC | 20180430 | $150K |
| International Union of Operating Engineers | n/a · n/a | DC | 20140313 | $150K |
| International Union of Operating Engineers | n/a · n/a | DC | 20181004 | $145K |
| Chicago for Rahm Emanuel | n/a · n/a | IL | 20181029 | $125K |
| International Union of Operating Engineers | n/a · n/a | DC | 20190820 | $125K |