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- JOHN A SHANNON LTD.- NI603391 - Incorporated on 8 June 2010 
- SHANNONDORE LTD- SC515583 - Incorporated on 15 September 2015 
- SHANNON TRAINING LIMITED- 05638631 - Incorporated on 29 November 2005 
- SHANNON CONTRACT SERVICES LTD- NI070377 - Incorporated on 4 September 2008 
- SHANNON HOLDINGS LIMITEDLiquidation- 02945746 - Incorporated on 6 July 1994 
- WYATTS LIMITED- 02374139 - Incorporated on 19 April 1989 
- WYATTE LIMITED- 08901984 - Incorporated on 19 February 2014 
- HART AND WYATT LTD- 14980806 - Incorporated on 4 July 2023 
- ALAN SHANNON LTDDisolved- SC482366 - Dissolved on 29 March 2022 
- SHANNON'S BEST LTDDisolved- 11638724 - Dissolved on 22 April 2025 
- SHANNON HYDE LTDActive - Proposal to Strike off- 10379554 - Incorporated on 16 September 2016 
- SHANNONTECH LTDActive - Proposal to Strike off- 10586834 - Incorporated on 27 January 2017 
- WILL SHANNON LTDDissolved- 10843922 - Dissolved on 26 November 2019 
- JUNE IN MARCH LTD- 10723874 - Incorporated on 13 April 2017 
- JUNED IQBAL LTDDisolved- 15363088 - Dissolved on 26 March 2024 
- A & L CF JUNE (8) LIMITEDLiquidation- 05161454 - Incorporated on 23 June 2004 
- JUNESWEET LTDActive - Proposal to Strike off- 07376699 - Incorporated on 15 September 2010 
- JUNE PEARLS LTD- 09117174 - Incorporated on 4 July 2014 
- JUNE DESIGN LTD- 12674105 - Incorporated on 16 June 2020