- IVORY SAJ LTDDisolved- 15029403 - Dissolved on 31 December 2024 
- OAK&IVORY LTD- 16436853 - Incorporated on 8 May 2025 
- DUNCAN 50 LTDActive - Proposal to Strike off- 09345360 - Incorporated on 8 December 2014 
- N L A DUNCAN LTD- 09024084 - Incorporated on 6 May 2014 
- DUNCAN 52 LTDActive - Proposal to Strike off- 11050321 - Incorporated on 7 November 2017 
- RE-POWER DSG LTD- 14330734 - Incorporated on 1 September 2022 
- C JOHNSTONE LTDActive - Proposal to Strike off- 05904957 - Incorporated on 14 August 2006 
- JOHNSTONE L LTDDisolved- 06193902 - Dissolved on 13 June 2025 
- M A JOHNSTONE LTD- SC444363 - Incorporated on 6 March 2013 
- K JOHNSTONE LTD- 14496256 - Incorporated on 21 November 2022 
- PREMIER CONSTRUCTION (SCOTLAND) LTD.Dissolved- SC206541 - Dissolved on 22 October 2010 
- SPECTRAL IMAGE LIMITEDDissolved- 03574174 - Dissolved on 6 May 2014 
- D. R. JOHNSTONE LIMITED- 04973965 - Incorporated on 24 November 2003 
- PARATUS RESEARCH LIMITED- 08827332 - Incorporated on 30 December 2013 
- IVORY JAR LTDActive - Proposal to Strike off- 07781848 - Incorporated on 21 September 2011 
- IVOR MOON LLPDissolved- OC304064 - Dissolved on 22 February 2005 
- IVOROSE LTDDisolved- 12991244 - Dissolved on 12 April 2022 
- RED IVORY LTD- 14947586 - Incorporated on 20 June 2023 
- QMIN (IVOR) LTDActive - Proposal to Strike off- 11850215 - Incorporated on 27 February 2019 
- IVORY OAK 1 LTD- 12185868 - Incorporated on 3 September 2019