| International Union of Operating Engineers | n/a · n/a | DC | 20171011 | $750K |
| International Union of Operating Engineers | n/a · n/a | DC | 20160915 | $625K |
| IUOE | n/a · n/a | DC | 20141020 | $600K |
| International Union of Operating Engineers | n/a · n/a | DC | 20121019 | $600K |
| International Union of Operating Engineers | n/a · n/a | DC | 20131220 | $600K |
| International Union of Operating Engineers | n/a · n/a | DC | 20110919 | $600K |
| International Union of Operating Engineers | n/a · n/a | DC | 20100827 | $600K |
| International Union of Operating Engineers | n/a · n/a | DC | 20101006 | $600K |
| International Union of Operating Engineers | n/a · n/a | DC | 20151016 | $600K |
| Internation Union of Operating Engineers | n/a · n/a | DC | 20080806 | $540K |
| International Union of Operating Engineers | n/a · n/a | DC | 20090918 | $533K |
| Internation Union of Operating Engineers | n/a · n/a | DC | 20080922 | $525K |
| Internation Union of Operating Engineers | n/a · n/a | DC | 20070917 | $360K |
| International Union of Operating Engineers | N/A · N/A | DC | 20061012 | $300K |
| International Union of Operating Engineers | N/A · N/A | DC | 20060921 | $255K |
| International Union of Operating Engineers | n/a · n/a | DC | 20100922 | $225K |
| International Union of Operating Engineers | n/a · n/a | DC | 20090930 | $225K |
| Internation Union of Operating Engineers | n/a · n/a | DC | 20071011 | $200K |
| International Union of Operating Engineers | n/a · n/a | DC | 20131024 | $150K |
| International Union of Operating Engineers | n/a · n/a | DC | 20150720 | $150K |
| International Union of Operating Engineers | n/a · n/a | DC | 20140129 | $150K |
| IUOE | n/a · n/a | DC | 20141014 | $150K |
| International Union of Operating Engineers | N/A · N/A | DC | 20060929 | $150K |
| Internation Union of Operating Engineers | n/a · n/a | DC | 20070918 | $150K |
| IUOE | n/a · n/a | DC | 20140529 | $150K |
| International Union of Operating Engineers | n/a · n/a | DC | 20161109 | $100K |
| International Union of Operating Engineers | n/a · n/a | DC | 20100114 | $100K |
| International Union of Operating Engineers | n/a · n/a | DC | 20090415 | $83K |
| International Union of Operating Engineers | n/a · n/a | DC | 20101025 | $68K |
| International Union of Operating Engineers | n/a · n/a | DC | 20121114 | $60K |
| International Union of Operating Engineers | n/a · n/a | DC | 20131104 | $50K |
| Internation Union of Operating Engineers | n/a · n/a | DC | 20071129 | $45K |
| Internation Union of Operating Engineers | n/a · n/a | DC | 20080401 | $45K |
| IUOE | n/a · n/a | DC | 20140922 | $39K |
| International Union of Operating Engineers | n/a · n/a | DC | 20120327 | $35K |
| International Union of Operating Engineers | n/a · n/a | DC | 20130620 | $35K |
| International Union of Operating Engineers | n/a · n/a | DC | 20150430 | $26K |
| International Union of Operating Engineers | n/a · n/a | DC | 20171024 | $20K |
| IUOE | n/a · n/a | DC | 20140828 | $18K |
| IUOE | n/a · n/a | DC | 20161215 | $18K |
| International Union of Operating Engineers | n/a · n/a | DC | 20100323 | $16K |
| International Union of Operating Engineers | n/a · n/a | DC | 20180613 | $15K |
| IUOE | n/a · n/a | DC | 20141020 | $15K |
| International Union of Operating Engineers | n/a · n/a | DC | 20101109 | $12K |
| International Union of Operating Engineers | n/a · n/a | DC | 20160429 | $10K |
| International Union of Operating Engineers | N/A · N/A | DC | 20061019 | $8K |
| International Union of Operating Engineers | n/a · n/a | DC | 20180410 | $3K |
| International Union of Operating Engineers | N/A · N/A | DC | 20060825 | $1K |
| International Union of Operating Engineers | n/a · n/a | DC | 20170811 | $1K |
| International Union of Operating Engineers | n/a · n/a | DC | 20151201 | $500 |