Last updated:
| Corporation | Joined at | |
|---|---|---|
|  | Perkone | almost 6 years | 
|  | Shadow Cat Inc. | almost 6 years | 
|  | Perkone | almost 7 years | 
|  | For The Booty. | almost 7 years | 
|  | Shadow Cat Inc. | almost 9 years | 
|  | Perkone | almost 9 years | 
|  | Black Omega Mining And Industrial | over 9 years | 
|  | Perkone | over 9 years | 
|  | Multiple Miner Personality Disorder | over 10 years | 
|  | State War Academy | over 10 years |