- OY DESIGN LIMITEDLiquidation- 07069473 - Incorporated on 8 November 2009 
- KYMEN SUKKA OY- FC013667 - Incorporated on 1 January 1993 
- ALODEJOKI OY LP- SL013284 - Incorporated on 5 June 2013 
- OY TECH LIMITEDActive - Proposal to Strike off- 08380004 - Incorporated on 29 January 2013 
- OY MEDIA LIMITEDActive - Proposal to Strike off- 09951587 - Incorporated on 14 January 2016 
- OY TECH LIMITEDDisolved- 11289409 - Dissolved on 11 June 2024 
- OY JARVINEN LIMITEDActive - Proposal to Strike off- 11964916 - Incorporated on 26 April 2019 
- LIFA OY LIMITEDDisolved- 11180603 - Dissolved on 22 March 2022 
- OY HODGE LTD- 14049564 - Incorporated on 15 April 2022 
- OY LASERS LTD- 14131808 - Incorporated on 25 May 2022 
- VALMET TECHNOLOGIES OYopen- BR025880 - Incorporated on 1 April 2023 
- HUIXIU OY LIMITEDActive - Proposal to Strike off- NI712691 - Incorporated on 27 March 2024 
- KONECRANES FINLAND OY- FC041294 - Incorporated on 1 March 2023 
- MVISION AI OYopen- BR025981 - Incorporated on 10 July 2023 
- OY SPENCE LTDDisolved- 13619600 - Dissolved on 15 August 2023 
- OYE OYE COMPANY LIMITED- 14087884 - Incorporated on 5 May 2022 
- ZEFENG LTDDisolved- 13453395 - Dissolved on 24 October 2023 
- HOT-OY LIMITEDDissolved- 07174084 - Dissolved on 19 June 2012 
- SVETENSAR OY LLPActive - Proposal to Strike off- NC001214 - Incorporated on 1 September 2014 
- CONTRACTOR OY LIMITED- 09264113 - Incorporated on 14 October 2014