- EMMA JANE HOWELLS- Born January 1970 - 42 ASHBY ROAD, MELBOURNE, DERBYSHIRE, DE73 8ES 
- KAREN JANE HOWELL- Born June 1973 - 57 NIGHTJAR CLOSE, CREEKMOOR, POOLE, DORSET, BH17 7YN 
- Sarah Jane HOWELL- Born May 1978 - Unit 29 Glenmore Business Park, Wend-Al Road, Blandford Forum, Dorset, England, DT11 7FP 
- KAREN JANE HOWELL- Born June 1973 - 57 NIGHTJAR CLOSE, CREEKMOOR, POOLE, DORSET, BH17 7YN 
- MSI INC- SUITE 2112, 30 SOUTH WACKER DRIVE, CHICAGO, ILLINOIS, 60606 
- SD HOWELL LTD- 11717031 - Incorporated on 7 December 2018 
- S T HOWELLS LTDActive - Proposal to Strike off- 11458248 - Incorporated on 10 July 2018 
- M HOWELLS LTD.Active - Proposal to Strike off- 07936933 - Incorporated on 6 February 2012 
- G D HOWELLS LTD- 13801337 - Incorporated on 14 December 2021 
- NEW LONG LIMITEDLiquidation- 04500106 - Incorporated on 31 July 2002 
- H2000 LIMITEDDissolved- 03318312 - Dissolved on 29 January 2015 
- A.A. HOWELLS LTDActive - Proposal to Strike off- 08477970 - Incorporated on 8 April 2013 
- IL HOWELL LTDDisolved- 13485469 - Dissolved on 21 March 2023 
- BK HOWELL LTDDisolved- 13996790 - Dissolved on 15 August 2023 
- UL HOWELL LTDDisolved- 13658819 - Dissolved on 11 March 2025 
- C HOWELLS LTDDissolved- 08462118 - Dissolved on 4 September 2018 
- D J HOWELLS LTD- 12124310 - Incorporated on 26 July 2019 
- SF HOWELL LTDDisolved- 13770792 - Dissolved on 7 May 2024 
- US HOWELL LTDDisolved- 13884691 - Dissolved on 8 July 2025 
- OT HOWELL LTDDisolved- 14038406 - Dissolved on 23 January 2024