- LATTICE SEMICONDUCTOR UK LTD.- 02899981 - Incorporated on 18 February 1994 
- RUSTON-BUCYRUS LTD- 05598317 - Incorporated on 20 October 2005 
- STEVE RUSTON LTD- 10671588 - Incorporated on 15 March 2017 
- MR STUART A ROBERTSON LIMITED- 11864149 - Incorporated on 6 March 2019 
- RUSTONJENKINS LTD- 07955545 - Incorporated on 20 February 2012 
- RUSTON DODDS LTDDissolved- 08500153 - Dissolved on 2 December 2014 
- C J RUSTON LIMITEDActive - Proposal to Strike off- 04535681 - Incorporated on 16 September 2002 
- RUSTON DIESELS LTD- 00143735 - Incorporated on 29 April 1916 
- RUSTON HORNSBY LTD- 15150890 - Incorporated on 20 September 2023 
- RUSTONS LIMITED- 02834052 - Incorporated on 7 July 1993 
- RUSTON SERVICES LIMITED- 05004123 - Incorporated on 29 December 2003 
- RUSTON MCQUEEN LIMITEDDisolved- 12530705 - Dissolved on 1 July 2025 
- RUSTON SHIELS LIMITEDLiquidation- 02633822 - Incorporated on 31 July 1991 
- RUSTON DEVELOPMENTS LIMITEDLiquidation- 05816464 - Incorporated on 15 May 2006 
- RUSTON AUTOMOTIVE LIMITED- 11675308 - Incorporated on 13 November 2018 
- BUCYRUS (U.K.) LIMITEDLiquidation- 00244018 - Incorporated on 29 November 1929 
- STUART NEILLIE RETAIL MERCHANDISER LTDActive - Proposal to Strike off- SC449358 - Incorporated on 7 May 2013 
- STUART O'NEILL SPECIALIST SERVICES LTD- 09259710 - Incorporated on 13 October 2014 
- RUSTON ENTERPRISES LIMITED- 03094741 - Incorporated on 23 August 1995 
- RUSTON RETAIL LIMITEDDissolved- 07035292 - Dissolved on 20 November 2014