Aldo / Albaugh-Dover Company

Alden Sampson / Alden Sampson Manufacturing Company

Aldee

Alda / Fernand Charron (Automobilhersteller)

Alcyon / Automobiles Alcyon

Alcre / Alcre Automotores

Alco (Automarke)

ALCA / Anonima Lombarda Cabotaggio Aereo

ALC (Automarke)

Albruna (Automarke)

Albrecht / Friedrich Albrecht Fahrzeugfabrik

Albo / Albo Engineering

Albl / Graziosa Fahrradwerke Benedict Albl

Albion / Albion Motor Car

Albert / Albert Fahrzeugtechnik und Design

Albert (Automarke)

Alberford / Albert Bridge Garage

Albatros / Henri Billouin

Albatros / Albatros Motors

Albar / Alois Barmettler

Albany / Albany Motor Carriage

Albany / Albany Manufacturing

Albany / Albany Automobile Company

Albani / Albani Motor Constructions

Albanesi (Automobilhersteller)

Alba / Fábricas Metalúrgicas Alba

Alba / Automobiles Alba

Alba / Alba Automobilwerke

Alatac / Automobiles Catala

Aland / Aland Motor Car Company

Alan / Alan-Werk

Alamagny

Aksai / Aksai Landmaschinenfabrik

AKS / Auto Kraft Shells

Akron Two-Cycle Automobile Company

Akamine (Automarke)

AKA / Alfred Kunze, Továrna na stroje a osobní automobily

AK / AK Sportscars

A.J.S.

Ajax / The Ajax Motor Vehicle Company

Ajax / Parker (Ajax Motors Company / Parker Motor Car Company)

Ajax / Briscoe Frères

Ajax / Ajax Motors Corporation

Ajax / Ajax Motors Company

Ajax / Ajax AG

Ajams

Aixam

Aiways

AISA / Actividades Industriales

Airscoot

Airedale / Airedale Cars

Ailsa-Craig

Ailsa / Hugh Kennedy & Company

Ailloud & Dumont

Ailloud (Automobiles Ailloud)

AIL (Automotive Industries)

Aiglon (Alliance Automobiles)

AHS / Autohaus Südhannover

Ahrens-Fox (Ahrens-Fox Fire Engine Company)

AHK (Buggy-Center-Hamburg G. Kühn)