| Corporation | Start | End | Duration |
| Eternity of the Universe | 2016-09-24 10:25 | 2024-12-26 04:18 | 8 years, 3 months, 1 day, 17 hours and 53 minutes |
| Deep Core Mining Inc. | 2016-09-24 10:25 | 2016-09-24 10:25 | 0 seconds |
| Deep Spot | 2016-06-05 14:49 | 2016-09-24 10:25 | 3 months, 18 days, 19 hours and 36 minutes |
| Deep Core Mining Inc. | 2016-06-05 14:49 | 2016-06-05 14:49 | 0 seconds |
| Eternity of the Universe | 2016-04-20 15:28 | 2016-06-05 14:49 | 1 month, 15 days, 23 hours and 21 minutes |
| Deep Core Mining Inc. | 2016-04-20 15:26 | 2016-04-20 15:28 | 2 minutes |
| Universe Academy | 2016-04-02 14:38 | 2016-04-20 15:26 | 18 days and 48 minutes |
| School of Applied Knowledge | 2011-01-22 15:45 | 2016-04-02 14:38 | 5 years, 2 months, 10 days, 22 hours and 53 minutes |