St Pancras
    n. 1903-n. 1914
    St Pancras Ironworks Co Ltd
    Holloway, Lontoo

St Vincent
    1903-1910
    Wm McLean Co's St Vincent Cycle & Motor Works
    Glasgow, Skotlanti

Sandringham
    1903

Sandringham
    1979-
    SMC (Engineering) Ltd
    Hambrook, Glostershire

Saunderson
    1896, 1902-1924

Saurer (V)
    n. 1927-1931
    Saurer Commercial Vehicle Co Ltd

Savage
    1903-1913
    Savage Bros Ltd
    King's Lynn, Norfolk

Scammell (I)
    1919-1921, 1933
    G Scammel & Nephew Ltd
    Spitalfields, Lontoo

Scammell (II)
    1921-
    Scammell Lorries Ltd
    Watford, Hertfordshire

Scott
    1905-?

Scott (I)
    1903-1904
    G D Scott
    Duffield, Derby

Scott (II)
    1952
    Scott Electric Vehicles Ltd
    Kiddermisnter, Worcestershire

Scott-Stirling
    1905-1908
    Scott, Stirling & Co Ltd
    Twickenham, Middlesex

Scout
    1909-n. 1914, 1920-1921
    Dean & Burden Bros Ltd
    Salisbury, Wiltshire

Scowen
    1905-?

SD
    1923-
    Shelvoke & Drewry Ltd
    Letchworth, Hertfordshire

Seabrook
    1913-n. 1917, 1919-1924
    Seabrook Bros
    Lontoo

Seal
    1922-1930

Seddon
    1919-n. 1940, 1946-1975
    Foster & Seddon
    Salford, Lancashire

Seddon-Atkinson
    1975-
    Desson Atkinson Vehicles Ltd
    Oldham, Lancashire

Seddon-Deutz
    1971
    Seddon Motors Ltd, Oldham, Lancashire ja
    Magirus-Deutz (Great Britain) Ltd

Sentinel
    1917-1957
    Sentinel Waggon Works Ltd
    Shrewsbury, Shropshire

Sentinel-Garner
    1933-1936
    Sentinel Waggon Works Ltd
    Shrewsbury, Shropshire

Shakespeare
    1915-1916
    Shakespeare Motor Co
    Lontoo

Shand-Mason
    n. 1899-1900
    Shand, Mason & Co

Sheffield
    1899
    Sheffield Motor Dray & Engineering Co
    Hillsborough, Sheffield

Shefflex
    1921-1937
    Sheffield-Simplex Motor Works Ltd
    Sheffield, Yorkshire

Sheppee
    1905-1914
    Sheppee Motor & Engineering Co
    York

Shuntmaster
    n. 1976-
    Lyka Cranes Ltd
    Preston, Lancashire

Silent Dodge
    1979-
    Chrysler United Kingdom Ltd ja Chloride Technical Ltd

Silent Karrier
    1975-1979
    Chrysler United Kingdom Ltd ja National Carriers Ltd ja Chloride Technical Ltd

Silent Rider
    1973

Silvertown
    1904-n. 1910
    Silvertown Co
    Lontoo

Simms
    1904-1907
    Simms Manufacturing Co Ltd
    Lontoo

Simonis
    n. 1921-n. 1932
    Henry Simonis Ltd

Simpson & Bibby
    1896-1902

Singer
    1929-1932
    Singer Motors Ltd
    Coventry, Warwickshire

Sivers
    1930
    Thomas Sivers
    Lontoo

SM
    1910
    Steam Car Syndicate Ltd
    Lontoo

Smith
    1906-1907
    Frank smith
    Manchester, Lancashire

Smith Form-a-Truck
    1921
    Smith Form-a-Truck Ltd

Smith's Electric
    1956-
    Smith's Delivery Vehicles Ltd
    Gateshead, Co Durham

Smith's NCB Electric
    n. 1955-1956
    Smith's Delivery Vehicles Ltd
    Gateshead, Co Durham

SOS
    1923-1944
    Birmingham & Midland Motor Omnibus Co Ltd

Speedwell (I)
    1900
    Speedwell Motor & Cycle Co
    Aberdeen, Skotlanti

Standard (I)
    1906-1907
    Standard Steam Lorry & Omnibus Co
    Rayleigh, Essex

Standard (V)
    1961-1963
    Standard Motor Co Ltd
    Coventry, Warwickshire

Stanelectric
    n. 1963-n. 1969
    Stanley Engineering Co Ltd
    Egham, Surrey

Star (I)
    1907-1931
    Star Cycle Co
    Wolverhampton, Stafforshire

Starling
    1905-1909

Steam Motor
    1900

Stephen
    n. 1966-n. 1968
    Alexander Stephen & Sons

Stephens
    1900-?

Stevens
    1972-n. 1975
    Anthony Stevens Automobiles Ltd
    Warwick

Stewart
    1900-1910

Stewart (I)
    1902-1910
    Duncan Stewart & Co Ltd
    Glagow, Skotlanti

Stonefield
    1974-1980, 1981-
    Stonefield Developments
    Paisley, Renfrewshire, Skotlanti

Straker
    1901-n. 1912
    Straker Steam Vehicle Co Ltd
    Bristol

Straker-Clough
    1921-1927
    Clough, smith & Co Ltd
    Lontoo

Straker-McConnel
    1905-1906
    Straker & McConnell Ltd
    Lontoo

Straker-Squire
    1906-1926
    Sidney Straker & Squire Ltd
    Bristol

Straussler
    1935-1940
    Straussler mechanization Ltd
    Brentford, Middlesex

Stronach-Dutton
    n. 1923

Stuart
    1906

Summerscales
    1917

Sumner
    1880-1882
    Lancashire Steam Motor Co

Sun (II)
    1948-n. 1953
    Sun Engineering Ltd
    Scunthorpe, Lincolnshire

Sunbeam
    1929-1963
    Sunbeam Motor Car Co Ltd
    Wolverhampton, Staffordshire

Sykes
    n. 1900