| Registered | Name | Holder | Registrar |
|---|---|---|---|
| 2018-02-02 | arolainen.fi | Aro Systems Oy | Planeetta Internet Oy |
| 2013-09-20 | arosystems.fi | ARO SYSTEMS OY | Planeetta Internet Oy |
| 2004-12-03 | hanakkatalo.fi | ARO SYSTEMS OY | Ascio Technologies |
| 1997-11-28 | sahko-aro.fi | ARO SYSTEMS OY | Planeetta Internet Oy |