| Corporation | Start | End | Duration |
| BOVRIL bOREers Mining CO-OP | 2016-09-03 21:30 | 2024-11-15 06:46 | 8 years, 2 months, 11 days, 9 hours and 16 minutes |
| Black Omega Security | 2016-07-27 03:33 | 2016-09-03 21:30 | 1 month, 7 days, 17 hours and 57 minutes |
| BOVRIL bOREers Mining CO-OP | 2016-06-06 04:32 | 2016-07-27 03:33 | 1 month, 20 days, 23 hours and 1 minute |
| Perkone | 2014-06-05 08:20 | 2016-06-06 04:32 | 2 years, 20 hours and 12 minutes |
| AirHogs | 2013-08-13 06:08 | 2014-06-05 08:20 | 9 months, 23 days, 2 hours and 12 minutes |
| Perkone | 2011-12-25 00:40 | 2013-08-13 06:08 | 1 year, 7 months, 19 days, 5 hours and 28 minutes |
| Arctic Flying Penguins | 2009-05-27 07:44 | 2011-12-25 00:40 | 2 years, 6 months, 27 days, 16 hours and 56 minutes |
| Perkone | 2009-01-24 23:45 | 2009-05-27 07:44 | 4 months, 2 days, 7 hours and 59 minutes |
| Ugly Dragon Industries | 2009-01-04 02:08 | 2009-01-24 23:45 | 20 days, 21 hours and 37 minutes |
| Save The Future | 2008-09-13 18:02 | 2009-01-04 02:08 | 3 months, 21 days, 8 hours and 6 minutes |
| AlderTrans Mining and Production | 2008-08-20 18:32 | 2008-09-13 18:02 | 23 days, 23 hours and 30 minutes |
| School of Applied Knowledge | 2007-12-26 00:40 | 2008-08-20 18:32 | 7 months, 25 days, 17 hours and 52 minutes |