| Registered | Name | Holder | Registrar |
|---|---|---|---|
| 2025-06-02 | sigmaservice.fi | Sigma Trukit Oy | OVH SAS |
| 2025-05-30 | sigmaports.fi | Sigma Trukit Oy | OVH SAS |
| 2025-05-30 | sigmasolution.fi | Sigma Trukit Oy | OVH SAS |
| 2025-05-30 | sigmaselect.fi | Sigma Trukit Oy | OVH SAS |
| 2021-09-24 | sigmaheavy.fi | Sigma Trukit Oy | Solution Design Inc. Oy |
| 2020-09-21 | sigmafleet.fi | Sigma Trukit Oy | OVH SAS |
| 2020-08-25 | sigmasafe.fi | Sigma Trukit Oy | OVH SAS |
| 2019-08-08 | sigmahuolto.fi | Sigma Trukit Oy | OVH SAS |
| 2012-11-20 | trukinvuokraus.fi | Sigma Trukit Oy | Solution Design Inc. Oy |
| 2009-10-26 | yale-trukit.fi | Sigma Trukit Oy | Solution Design Inc. Oy |
| 2004-08-27 | sigmatrukit.fi | Sigma Trukit Oy | Solution Design Inc. Oy |
| 2001-05-11 | ap-trukit.fi | Sigma Trukit Oy | DNA Oyj |