Adam `2001, Pakistan Karatschi
Adam `1905, Österreich-Ungarn Oskava
Ad-Hoc, Frankreich Annecy-le-Vieux
AD (Automarke), UK Clacton-on-Sea
Acura
Acrea
Acquatec
Acorn
Acme Motor Car Company (Massachusetts)
Acme Motor Carriage & Machinery
Acme / MB / Renville
Acme Motor Car Company (Pennsylvania)
ACM
Achimkoy / Chaju / Chollima / Konsor / Kumsusan / Paikdusan / Sonyon / Sungri / Sungrisan
Achilles
Achensa
Ache / Lassougade
Acha Indústria e Comércio de Carrocerias Esportivas
Ace (Holding & Overall)
Ace Auto Services
Ace / Apex Motor Corporation
Ace
Accumulator Industries
Accles-Turrell
Accary
ACB (Ateliers de Carrosserie Broual)
ACAM (Azienda Costruzioni Auto Mini)
Acadian
Acadia
National Motor Academy
AC Propulsion
AC Automotive
AC Cars Limited
A. Cação Automóveis
AC 3000ME
AC Ace
AC Cars - Modelle
AC Cars
Abt Sportsline
ABS (Auto Build-up Services)
Charles Abresch Company
Aboleiro
Able
Abingdon Works
Aberdonia Cars
Abenaque Machine Works
Ateliers Veuve A. de Mesmay
ABC Cobra
Auto Body Craft
Automobil-Bau- und Construktionswerkstätte
A.B.C. Motors
A.B.C. Motor Vehicle Manufacturing Company
Abbott-Detroit
Abbey (Abbey Auto Engineering)
Abarth - Modelle
Abarth