- Alan Colin, Mr. DE'ART- Born August 1986 - 1503 Kent Building, 47 Hope Street, London, England, E14 0QL 
- John Alan, Mr. DIXON- Born December 1977 - 9 Woodcroft Mews, London, United Kingdom, SE8 5DH 
- ALAN MACLEOD STEWART- Born November 1955 - 512 HAMILTON HOUSE, ST GEORGE WHARF, LONDON, SW8 2JE 
- ALAN ARCHIBALD MACLEOD- NORTH PIER, OBAN, ARGYLL, UNITED KINGDOM, PA34 5QD 
- David Alan, Mr. LONG- Born September 1947 - 33 Cambridge Road, Clevedon, England, BS21 7DN 
- ALAN MICHAEL MACLEOD- Born June 1947 - 10 TOWER STREET, ROTHESAY, ISLE OF BUTE, UNITED KINGDOM, PA20 0BZ 
- ALAN MICHAEL MACLEOD- Born June 1947 - 10 TOWER STREET, ROTHESAY, ISLE OF BUTE, UNITED KINGDOM, PA20 0BZ 
- ALAN MACLEOD GILLESPIE- Born April 1968 - 21 RANMOOR PARK ROAD, SHEFFIELD, S10 3GX 
- Alan, Mr. DRUMMOND- Born June 1954 - Unit 15 Westlink Belbins Business Park, Cupernham Lane, Romsey, Hampshire, England, SO51 7JF 
- John Alan, Mr. MAYNE- Born June 1966 - 19 St. Helier Close, Crawley, West Sussex, United Kingdom, RH11 9PU 
- Alan John, Mr. JONES- Born May 1945 - 46 Hamilton Square, Birkenhead, Merseyside, England, CH41 5AR 
- CALUM INNES LIMITEDDissolved- 07479692 - Dissolved on 16 October 2012 
- CALUM ERRICKSON LIMITEDDisolved- 11383598 - Dissolved on 26 October 2021 
- CALUM MCPHAIL LIMITEDDissolved- 10367577 - Dissolved on 15 October 2019 
- CALUM BARBER LIMITED- 16567537 - Incorporated on 8 July 2025 
- ROAD TO CALUM LIMITEDActive - Proposal to Strike off- 08113301 - Incorporated on 20 June 2012 
- CALUM KIPPEN JOINER AND CONTRACTOR LIMITED- SC334027 - Incorporated on 16 November 2007 
- ALI G MACLEOD LTD.- SC328513 - Incorporated on 30 July 2007 
- DON MACLEOD LTD- SC496547 - Incorporated on 2 February 2015 
- CALUMPANG LIMITED- 09309939 - Incorporated on 13 November 2014