Raceteams - alphabetical overview: A
- A Speed
- A&S Racing
- A-Level Engineering
- a-workx
- A. Jardim Competições
- A.Fortunato Racing
- A.J. Foyt Enterprises
- A.Mattheis Motorsport
- A1 Team Australia (Alan Docking Racing)
- A1 Team Austria (Team Rosberg)
- A1 Team Brazil (ASM)
- A1 Team Brazil (ma-con Motorsport)
- A1 Team Brazil (Super Nova Racing)
- A1 Team Canada (John Village Automotive)
- A1 Team Canada (Status GP)
- A1 Team China (Team Astromega)
- A1 Team Czech Republic (Charouz Racing System)
- A1 Team Czech Republic (ma-con Motorsport)
- A1 Team France (DAMS)
- A1 Team Germany (GU Racing)
- A1 Team Germany (Super Nova Racing)
- A1 Team Great Britain
- A1 Team Great Britain (Arden International)
- A1 Team Greece (Arena Motorsport)
- A1 Team India (Arena Motorsport)
- A1 Team India (Ebrahim)
- A1 Team India (Super Nova Racing)
- A1 Team Indonesia (CMS)
- A1 Team Indonesia (Performance Racing)
- A1 Team Ireland (Status GP)
- A1 Team Italy (Team Ghinzani)
- A1 Team Japan (Carlin Motorsport)
- A1 Team Korea (Carlin Motorsport)
- A1 Team Lebanon (Carlin Motorsport)
- A1 Team Lebanon (Super Nova Racing)
- A1 Team Malaysia
- A1 Team Mexico (Campos Racing)
- A1 Team Mexico (DAMS)
- A1 Team Mexico (Team Craft)
- A1 Team Monaco
- A1 Team Netherlands (Racing for Holland)
- A1 Team New Zealand (Super Nova Racing)
- A1 Team New Zealand (West Surrey Racing)
- A1 Team Pakistan (Performance Racing)
- A1 Team Pakistan (Super Nova Racing)
- A1 Team Portugal (Carlin Motorsport)
- A1 Team Portugal (Team Astromega)
- A1 Team Russia (Russian Age Racing)
- A1 Team Singapore (West Surrey Racing)
- A1 Team South Africa (BCN Competicion)
- A1 Team South Africa (DAMS)
- A1 Team Switzerland (DAMS)
- A1 Team Switzerland (Max Motorsport)
- A1 Team USA (Andretti Green Racing)
- A1 Team USA (David Price Racing)
- A1 Team USA (West Surrey Racing)
- AAS Auto Service
- Aasco Motorsport
- AB Motorsport
- AB Motorsport
- AB Racing Performance
- Abel Motorsports
- Aberer Motorsport
- ABF Motorsports
- Ability Motorsport
- Absolute Racing
- Abt Sportsline
- ABV
- AC Radevormwald
- Access Motorsports
- ACEMCO Motorsports
- Acme Motorsport
- ACP Motorsports
- ACS Express Racing
- Action Express Racing
- Action Power
- Acumen Motorsport
- Adam
- Addax Team
- ADI Motorsports
- ADM Motorsport
- Adnet Technology
- ADR-Delta
- Adrenalin Motorsport
- ADRF
- Adria Racing System
- Advance Racing
- AF Corse
- AFC Motorsport
- AFS Racing
- Agajanian/Boat Racing
- AGI Sport
- Agon Motorsport
- AGS
- AGS Motorsport
- Agusta Racing
- AH Competições
- AIM Autosport
- Aim Sports
- AIM Vasser Sullivan
- Aircon Racing
- Ajititi Racing
- AKF Motorsport
- Alan Docking Racing
- Alan Racing Team
- Albert Team
- Alberti
- Albirex Racing Team
- Alda Motorsport
- Aldix Racing
- Alegra Motorsports
- Alex Job Racing
- Alex Job Racing / BAM!
- ALFAB Racing
- Algarve Pro Racing Team
- All American Racers
- Alliance Autosport
- Alliance Motorsports
- Alpha Plus
- Alpie Motorsport
- Alpina
- Alpine Motorsports
- Always Evolving
- Ambrogio Racing
- Amemiya Racing
- American Dream Motorsports
- American Revolution Racing
- American Spirit Racing
- American Viperacing
- AMG
- AMG Motorsport
- Amir Nasr Racing
- Amiter Galuppo Sport
- Amkon Motorsport
- Amprex Motorsports
- Anders Motorsport
- Andersen Racing
- Andretti Autosport
- Andretti Green Racing
- Andretti Herta Autosport
- Andretti Steinbrenner Racing
- Andrew McLaughlin
- Andrew Mill
- Andrew Weber
- Angola Racing Team
- Anome
- ANT Racing
- Antonelli Motorsport
- Ao's Racing Team
- Apache Racing
- APEX Engineering
- Apex Racing
- APEX Racing
- Apomatox
- Aponte Bros Racing
- Apple Motorsports
- Applewood Seven
- APR
- APR Motorsport
- APR Motorsport Team
- AR Motorsport
- Aran Racing
- Araxa Racing
- ARC Bratislava
- Archangel Motorsports
- Arciero Racing
- Arciero-Blair Racing
- Arciero-Wells Racing
- Arco Motorsport
- Arden International
- Arena Motorsport
- ARGO Racing
- Arizona Motorsports
- Arkenau Motorsport
- Arktech Motorsports
- ArmsUp Motorsports
- Arnage Racing
- Arno International
- Arrows Grand Prix
- ART Engineering
- ART Grand Prix
- ARTA / Signature
- ARTA Engineering
- ArtLine Racing
- ASC Motorsports
- Ash Motorsports
- Asia Racing Team
- Asia V6 Independent Entry
- ASK Vesnić
- ASM
- ASM Team
- Assoc Gen Kinetics
- Aston Martin Racing
- Astuti Motorsport
- AT Racing
- At Speed Motorsports
- Atech CRS GP
- Atech GP
- AtechReid GP
- Aten Motorsports
- Atkins Racing
- Atlantic Pro-Team
- Atlantic Racing Team
- Atlas FX-Team
- Atomic Kitten Racing
- Attempto Racing
- Atzberger
- Audi Race Experience
- Audi Sport Italia
- Audi Sport Team Slovakia
- Audisio & Benvenuto
- Augustin Motorsport
- Aussie Assault
- Aust Motorsport
- Australian Racing Enterprises
- Auto Assets
- Auto Elite
- Auto Palace Compétition
- Auto Planet
- Auto Spa
- Auto Sport Promotion
- Auto Sport Racing
- Auto Sport South Racing
- Auto Staff Racing
- Autocon Motorsports
- Autodelta Squadra Corse
- AutoExe Motorsports
- AutoGT Racing
- Autohaus Motorsports
- Automatic Racing
- Autometrics Motorsports
- Automotive BVM
- Automotive Consultancy
- Automotive Racing Team
- Autorlando Sport
- Autosport Race Team
- Autosportif
- AutoVitesse
- AV Formula
- Avallone Motorsport
- Avanzza Rosso
- Avelon Formula
- Avtodom Racing
- Aylezo EcoTint Racing
- Azeta Racing
- Azteca Motorsport
- Aztech Motorsport