Last updated:
| Corporation | Joined at | |
|---|---|---|
|
|
Bittervet Retirement Garden | about 14 years |
|
|
Perkone | over 15 years |
|
|
RPS holdings | almost 17 years |
|
|
Perkone | almost 19 years |
|
|
StateCorp | over 20 years |
|
|
Science and Trade Institute | over 20 years |