- CONSTANTIN CONSTRUCTION LIMITEDDissolved- 09017034 - Dissolved on 8 December 2015 
- CONSTANTIN ULIAN LIMITEDActive - Proposal to Strike off- 08665728 - Incorporated on 28 August 2013 
- HOSTIUC CONSTANTIN LTDActive - Proposal to Strike off- 09133657 - Incorporated on 16 July 2014 
- BOGDAN CONSTANTIN LTDActive - Proposal to Strike off- 09128348 - Incorporated on 14 July 2014 
- LEON CONSTANTIN LIMITEDActive - Proposal to Strike off- 09157383 - Incorporated on 1 August 2014 
- CONSTANTIN CROITORIU LTDActive - Proposal to Strike off- 09418241 - Incorporated on 3 February 2015 
- CONSTANTIN 83 LIMITED- 11336555 - Incorporated on 30 April 2018 
- CONSTANTIN ONEA LTDDisolved- 12745022 - Dissolved on 24 December 2024 
- CONSTANTIN CONSTRUCT LTDActive - Proposal to Strike off- 09757903 - Incorporated on 2 September 2015 
- CONSTANTIN HAULAGE LTD- 09862598 - Incorporated on 9 November 2015 
- SERGIU CONSTANTIN LTD- 12262369 - Incorporated on 15 October 2019 
- CONSTANTIN LADAN LTDActive - Proposal to Strike off- 12288745 - Incorporated on 29 October 2019 
- CONSTANTIN CONSTRUCTION LTDActive - Proposal to Strike off- 11055724 - Incorporated on 9 November 2017 
- CONSTANTIN DECORATING LTDActive - Proposal to Strike off- 11213578 - Incorporated on 19 February 2018 
- GC CONSTANTIN LTDActive - Proposal to Strike off- 10556584 - Incorporated on 10 January 2017 
- SMART CONSTANTIN LIMITEDActive - Proposal to Strike off- 11577349 - Incorporated on 19 September 2018 
- CONSTANTIN TRADE LTDActive - Proposal to Strike off- 11709737 - Incorporated on 4 December 2018 
- IULIAN CONSTANTIN LTD- 12857953 - Incorporated on 4 September 2020 
- VASILE CONSTANTIN LTDDisolved- 13509094 - Dissolved on 17 January 2023 
- PETRU CONSTANTIN LIMITEDDisolved- 13809716 - Dissolved on 6 February 2024