| Corporation | Start | End | Duration |
| Fweddit | 2019-04-07 23:25 | 2024-11-21 17:59 | 5 years, 7 months, 13 days, 18 hours and 34 minutes |
| Perkone | 2017-12-05 17:48 | 2019-04-07 23:25 | 1 year, 4 months, 2 days, 5 hours and 37 minutes |
| Grey Templars | 2017-07-23 16:37 | 2017-12-05 17:48 | 4 months, 12 days, 1 hour and 11 minutes |
| Full Spectrum Inc | 2016-05-08 05:18 | 2017-07-23 16:37 | 1 year, 2 months, 15 days, 11 hours and 19 minutes |
| Hobbes' Industries | 2012-04-21 06:30 | 2016-05-08 05:18 | 4 years, 16 days, 22 hours and 48 minutes |
| Real Social Dynamics | 2010-11-27 11:23 | 2012-04-21 06:30 | 1 year, 4 months, 24 days, 19 hours and 7 minutes |
| Science and Trade Institute | 2010-11-27 10:48 | 2010-11-27 11:23 | 35 minutes |