Hagen (I)
    1898-1900
    Alfred Doughill & Co Ltd
    Leeds, Yorkshire

Halley
    1901-1935
    Glasgow Motor Lorry Co
    Glasgow, Skotlanti

Hallford
    1907-1925
    J & E Hall Ltd
    Dartford, Kent

Hallford-Stevens
    1907-1911
    J & E Hall Ltd, Dartford, Kent ja
    W A Stevens Ltd, Maidstone

Hancock
    1830-1840
    Walter Hancock
    Lontoo

Harbilt
    1947-
    Harborough Contruction Co Ltd
    Market Harborough, Leicestershire

Harvy
    1932-1938
    Hardy Motors ltd
    Southall, Middlesex

Hardy-Roadless
    n. 1935
    Hardy Motors Ltd
    Southall, Middlesex

Harford Haulier
    1922
    Four Wheel Drive Tractor Lorry Engineering Co Ltd
    West Ealing, Lontoo

Harper
    1898-1900, 1908
    Harper Motor Co
    Holburn Junction, Aberdeen, Skotlanti

Harrington
    n. 1952-1954
    Thomas Harrington Ltd
    Hove, Sussex

Harrods
    1937-1939
    Engineering & Coachbuilding Works
    Barnes, Lontoo

Hart-Durtnall
    1907
    Hart & Durtnall
    Luton, Bedforshire

Hathi
    1923
    John I Thornycroft & Co Ltd

Haulamatic
    1968-
    Haulamatic Ltd
    Heanor, Derbyshire

Hawthorn-Leslie
    1900

Hay
    1905-1906
    Hay Motor Co Ltd
    Liverpool, Lancashire

HCB-Angus
    1949-
    HCB-Angus Ltd
    Totton, Southhampton

Heathfield
    1966-
    Heatfield Engineering Ltd
    Newton Abbot, Devon

Helecs
    n. 1951-1957
    Hindle, Smart & Co Ltd
    Ardwick, Manchester

Henschel-Commer
    1963-1965
    Rootes ja
    Henschel-Werke Ag, Saksa

Hercules (II)
    1903-n. 1909
    Hercules Motor Wagon Co
    Levenshulme, Manchester

HHT
    1976-
    Heanor Haulage Ltd
    Heanor, Derbyshire

Hindley
    1904-1908
    E S Hindley & Sons
    Bourton, Dorset

Holverta-Vulcan
    1926
    Vulcan Mfg & Eng Co Ltd
    Crossens, Lancashire

Hora
    1905
    E & H Hora Ltd
    Peckham, Lontoo

Horn-Littlewood
    1905-1906
    Horn, Littlewood & Co Ltd
    Gainsborough, Lincolnshire

Hornwood
    1906-1907

Howard (II)
    1903-1904
    J & F Howard Ltd Britannia Works
    Bedford

HSG
    1936-1937
    Gilford (HSG) Ltd
    Park Royal, Lontoo

Hudson
-   1963-1964
    Robert Hudson (Raletrux) Ltd
    Leeds, Yorkshire

Humber
    1951-1954
    Hunber Ltd
    Coventry

Hurst & Lloyd
    1898-1900
    George Hurst ja Lewis A Lloyd
    Wood Green, Lontoo

Hydrocon
    n. 1958-
    Lambert Engineering Co (Glasgow) Ltd
    Coatsbridge, Lanarkshire, Skotlanti ja Rochdale, Lancashire ja Feltham, Middlesex

Hydrotechniek
    1979-1980
    Hydrotechniek (UK) Ltd
    Toft, Cambridgeshire