Alle Firmen (a)

A Crowd Of Monsters

A Gamers Mind

A.C.R.O.N.Y.M. Games

A44 Games

Abandon Interactive Entertainment

ABC Software GmbH, Schweiz

Abrakam Entertainment

Absolute Entertainment

Absolutely Game

AbsolutSoft

Abstraction Games

Abylight

Access

Acclaim

Accolade

Ace Maddox

Ace Team

Acer

ACES Studios

Acid Nerve

Acid Wizard Studio

Acony

Acquire

Act 3 Games

Actalogic

Action Forms

Active Zone Group

Activision Blizzard

acttil

ADATA Technology

Adept

Adfinis

Adhesive Games

Adrenium Games

Adult Swim Games

Advanced Cyber Entertainment GmbH

Adventuresoft

Aeons

Aeonsoft

Aeria Games

Aerosoft

Aesthetic Games

Agando

Agatsuma Entertainment

Agenda

AGEOD

Airship Syndicate

Airtight Games

Akaoni Studios

Akella

AKGames

Aki Corp.

Aksys Games

Alan Zucconi

AlanBridge

alaplaya

Alawar Entertainment

Alcachofa Soft.

Aldi

Aldorlea Games

Alexander Bruce

Alien After All

Alientrap Software

Alienware

Alkemi Games

Alkimia Interactive

All in! Games

Allgraf

Allied Power

Almost Human

Alpha Dream

ALT1 Games

Altar

Alternate

AlternativaPlatform

Altron

AM2

AMA Studios

Amanita Design

Amaze Entertainment

Amazing Seasun Games

Amazon

Amazon Games

Amber Company

Ambient Studios

AMD

AmeGames

Amplifier Game Invest

Amplitude Studios

Amusement Vision

Amuze

Anaconda (dtp)

Anarchy Enterprises

Anchor

Anco

Angel Studios

Animation Arts

Animus Interactive

Ankama Games

Annapurna Interactive

Another Castle Studios

Anshar Studios

Antimatter Games

Antstream Arcade

Anuman Interactive

Anvil Soft

AOC International

AOL

Aorus

Apeiron

Apogee

Apollosoft

Appeal

Apple

Application Systems Heidelberg

Appsolutely Studios

AppyNation

Apsire

AQ Interactive

AquaPlus

Arachnid Games

ARC System Works

Arcen Games

Archetype Entertainment

Archos

ARCTIC GmbH

ArenaNet

Argonaut

Ari Data

Arika

Arithmetic Studios

Arkane Studios

Arkavi Studios

Arkedo Studios

Arktos Entertainment

Armature Studio

Armor Games

Arozzi Europe AB

Arrowhead Game Studios

Arrowiz

Art Co. Ltd

ArtCraft Entertainment

Artdink

Arte Piazza

Artech Studios

Artefacts

Artematica

Artex Software

Artifact Entertainment

Artificial Studios

Artoon

Artplant

Aruba Studios

Aruze

Arxel Tribe

Arzest

Ascaron Software

Ascendant Studios

ASCII Entertainment

ASK Homework

ASK Homework

Asobo

Asone Games

Aspect

Aspyr

ASRock

Assemble Entertainment

astragon Entertainment

Astro Gaming

ASUS

Asylum Entertainment

At Play Accessories

Atari

ATD

Atelier Games

Aterdux Entertainment

ATI

Atlanteq

Atlantis Interactive Entertainment

Atlus

Atmosphere Entertainment Studios

Atomic Design Labatory

Atomic Elbow

Atomic Games

Atomic Motion

Atomic Planet Entertainment

Atomic Robot Games

Atomicom

attic

Attractive Games

Audeze

Audio-Technica

Auran

Auroch Digital

Austrian Audio

Autoloot Games Ltd.

Autumn Games

Autumn Moon Entertainment

Avalanche Software

Avalanche Studios

Avalon Interactive

Avalon Style Entertainment

Avanquest Software

Aventurine

AVerMedia

Awaken Realms

AWE Games

Awesome Games Studio

Awesome Play

Awesome Studios