- MATTHEW ALAN CROMACK- Born August 1969 - 17A CHAPELGATE SCHOLES, HOLMFIRTH, UNITED KINGDOM, HD9 1SX 
- ROBERT JAMES CROMACK- Born April 1946 - 1 HOMEFIELD ROAD, BROMLEY, KENT, BR1 3LA 
- GREGG NOWAK LIMITEDDisolved- 04661111 - Dissolved on 3 October 2023 
- GREGG PUGH LIMITEDDisolved- 07288625 - Dissolved on 23 February 2022 
- PETER GREGG LIMITED- 05544067 - Incorporated on 23 August 2005 
- GREGG ASSOCIATES LIMITEDActive - Proposal to Strike off- 04667123 - Incorporated on 14 February 2003 
- GREGG SHOULDER LIMITED- 05769547 - Incorporated on 5 April 2006 
- HARRY GREGG FOUNDATION- NI628847 - Incorporated on 22 January 2015 
- GREGG SOLUTIONS LTDDisolved- 12663309 - Dissolved on 16 November 2021 
- GREGG BALDWIN LIMITED- 10166193 - Incorporated on 6 May 2016 
- GREGG SERVICE LIMITED- 10274046 - Incorporated on 12 July 2016 
- GREGG CONSULTING LTDDisolved- 09925535 - Dissolved on 24 January 2023 
- GREGG AUTOMOBILE LTDActive - Proposal to Strike off- 10752754 - Incorporated on 3 May 2017 
- GREGG PROPERTIES LIMITED- 12454748 - Incorporated on 11 February 2020 
- GREGG S GREGG HYMOWITZ- Born November 1965 - 205 EAST 61ST STREET, NEW YORK, NY 10021, USA 
- Graham Anthony CROMACK- 2 Clisby Villas, The Fairmile, Henley On Thames, RG9 2LB 
- JANE ELIZABETH CROMACK- Born March 1960 - ROOKERY HOUSE BACK LANE, PEBWORTH, WARWICKSHIRE, ENGLAND, CV37 8XA 
- ANDREW CHARLES CROMACK- STOCKING HOUSE FARM SCAWTON, THIRSK, NORTH YORKSHIRE, ENGLAND, YO7 2HH 
- JANE ELIZABETH CROMACK- Born March 1960 - ROOKERY HOUSE BACK LANE, PEBWORTH, WARWICKSHIRE, CV37 8XA 
- GORDON INGRAM CROMACK- 152 WYCOMBE ROAD, PRESTWOOD, GREAT MISSENDEN, BUCKINGHAMSHIRE, HP16 0HJ