The computer games companies in California featured here are large and mid-sized firms, many of them well-established. They develop and publish video games across various platforms, offer gaming services, and specialize in mobile and console games. Notable companies include Riot Games, which develops and publishes popular video games and supports esports, and 2K, known for its development and publishing of video games across PC, console, and mobile platforms. Zynga is a global leader in interactive entertainment, pioneering social games.
Several companies focus on specific niches: PTW provides global gaming services like QA and localization, while Xsolla offers a video game business engine to optimize operations for developers. The data shows a strong concentration of headquarters in the Los Angeles metropolitan area, including Los Angeles, Marina Del Rey, and Culver City, indicating a significant hub for the computer games industry.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Riot Gamesriotgames.com
Develops and publishes popular video games, supports esports growth, and expands into entertainment, focusing on player community engagement worldwide. |
8,095 | |||
| 2 | 3,077 | ||||
| 3 | 2,872 | ||||
| 4 |
Youtube Channelsyoutube.com
This company operates an official YouTube channel focused on providing videos related to love, peace, knowledge, fun, art, and healthy entertainment for social media status updates |
2,329 | |||
| 5 | 1,679 | ||||
| 6 |
Xsollaxsolla.com
Xsolla's video game business engine helps developers and publishers optimize operations, distribution, marketing, and monetization to increase audience, sales, and revenue |
1,357 | |||
| 7 |
Good Gamer Groupgoodgamergroup.com
Global consumer insights agency specializing in media, technology, and entertainment Offers paid video game-related studies through The Good Gamer Group for gamer feedback and industry improvements |
1,271 | |||
| 8 |
NHnoodlehaus.com
A creative agency specializing in finding opportunities to delight customers, ignite curiosity, and inspire confident action through unique approaches |
1,268 | |||
| 9 |
Naughty Dognaughtydog.com
Leading video game developer known for critically acclaimed titles like Crash Bandicoot, Uncharted, and The Last of Us, under Sony Interactive Entertainment, based in Santa Monica, CA |
1,195 | |||
| 10 |
Cloud Imperium Gamescloudimperiumgames.com
Independent game studio founded by Chris Roberts, focused on AAA experiences Developing Star Citizen with community involvement, sharing the development process Multiple global studios |
849 | |||
| 11 |
GREE International Entertainment, Inc.gree-corp.com
A global leader in free-to-play mobile games, focusing on RPG and strategy genres, with a strong presence in Western markets and expansion plans worldwide |
783 | |||
| 12 |
Jam Cityjamcity.com
An award-winning entertainment company creating deeply engaging mobile games played by millions worldwide, known for creative excellence and technological innovation |
746 | |||
| 13 |
Respawn Entertainmentrespawn.com
A game development company founded by Call of Duty creators, focused on empowering talented individuals to create extraordinary and unexpected games |
690 | |||
| 14 |
Visual Conceptsvcentertainment.com
Development of innovative sports video games, specializing in the NBA 2K franchise with advanced techniques and cutting-edge entertainment. |
680 | |||
| 15 |
Infinity Wardinfinityward.com
A renowned game development studio known for creating the award-winning titles in the Call of Duty franchise, with global offices |
665 | |||
| 16 |
Sperasoftsperasoft.com
An international game development company based in Burbank, CA, offering comprehensive professional teams to contribute to popular gaming franchises worldwide |
647 | |||
| 17 |
Treyarchtreyarch.com
A video game studio founded in 1996, known for creating award-winning games like the Call of Duty: Black Ops series and pioneering Zombies mode |
646 | |||
| 18 |
Insomniac Gamesinsomniac.games
A renowned video game developer with award-winning franchises like Marvel's Spider-Man, Spyro the Dragon, Ratchet & Clank, and Resistance |
573 | |||
| 19 |
Nexon Americanexon.com
Innovative online game company focused on creating high-quality and unforgettable experiences for players worldwide, with a diverse global portfolio |
517 | |||
| 20 |
Sega of America, Inc.sega.com
Develops, publishes, and distributes interactive entertainment software products for various hardware platforms including Xbox, PlayStation, Nintendo, PC, and wireless devices. |
508 | |||
| 21 |
Fortis Gamesfortisgames.com
Global game studio founded by industry veterans creating impactful worlds, connecting communities, and inspiring players worldwide to deliver best-in-class gaming experiences |
434 | |||
| 22 |
PLAYSTUDIOSplaystudios.com
Innovative company with a focus on creativity, quality, and fun Tight-knit team of entrepreneurs, artists, developers, and producers |
423 | |||
| 23 |
Arc Gamesarcgames.com
A leading publisher of online multiplayer, AA, and indie games striving to entertain and challenge players worldwide through developer-friendly titles |
405 | |||
| 24 |
That's No Moonthatsnomoon.com
An independent studio specializing in narrative-driven gaming experiences, comprised of top industry talent focused on creativity, collaboration, and responsible production practices |
394 | |||
| 25 |
Unknown Worlds Entertainmentunknownworlds.com
An independent game studio creating globally distributed games with the goal of uniting the world through play Known for award-winning titles |
333 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 26 |
Obsidian Entertainmentobsidian.net
A leading game developer in California, specializing in role-playing games with titles like The Outer Worlds and Fallout: New Vegas Always hiring for new projects |
323 | |||
| 27 |
Bandai Namco Entertainment America Inc.bandainamcoent.com
Leading global publisher and developer of interactive entertainment for consoles, PC, online, and mobile platforms with iconic franchises. |
315 | |||
| 28 |
MobilityWaremobilityware.com
A leading publisher of card and puzzle games, focused on bringing joy through popular mobile titles and a supportive work environment |
224 | |||
| 29 |
Lightspeed L.A.
A game development studio in Irvine, California, creating open-world games with a focus on player-driven gameplay and inclusive environment |
190 | |||
| 30 |
Toys For Bobtoysforbob.com
A collaborative team creating award-winning AAA entertainment for over 30 years, specializing in diverse game genres and supporting innovation |
179 | |||
| 31 |
Mythical Gamesmythicalgames.com
A next-generation game technology studio focusing on digital assets, verifiable scarcity, and integrated secondary markets to innovate game economies |
170 | |||
| 32 |
Daybreak Game Company LLCdaybreakgames.com
A leading global publisher and developer of multiplayer online games, known for popular franchises like H1Z1, EverQuest, PlanetSide, DC Universe Online Headquarters in San Diego |
159 | |||
| 33 |
Azra Gamesazragames.com
Azra Games is a gaming company focused on creating combat RPGs with collectibles using Web3 technology, led by a team with extensive industry experience |
151 | |||
| 34 |
Square Enix Americasqex.me
Creating immersive and exhilarating game experiences for fans through titles like FINAL FANTASY and Tomb Raider to spread happiness |
149 | |||
| 35 |
Baba Entertainmentbaba-entertainment.com
An innovative social gaming company based in Tel Aviv, creating captivating gaming experiences for global players and constantly pushing the boundaries of the industry |
146 | |||
| 36 |
Psyonixpsyonix.com
Critically-acclaimed independent video game developer specializing in Unreal Engine technology and multiplayer gaming, creating successful games for over 15 years |
126 | |||
| 37 |
Uplandme, Inc.upland.me
Upland is an immersive gaming platform utilizing real-world virtual properties, enabling users to earn currency and socialize within a digital economy. |
73 | |||
| 38 |
Rumblerumblegames.com
Developer and publisher of free-to-play connected games, focusing on engaging, high-quality gameplay experiences across various devices and social networks |
41 | |||
| 39 |
Game Cafe Services (DBA NTTGame)nttgame.com
A pioneer in the Turkish gaming industry, offering payment gateway services and publishing free-to-play MMOs, including the popular MMORPG Knight Online World |
37 | |||
| 40 |
Capital Gamesea.com
Development and support of genre-defining mobile RPGs, including Star Wars: Galaxy of Heroes, with a passionate, collaborative team. |
33 | |||
| 41 | 30 | ||||
| 42 |
SEED (Electronic Arts)ea.com
An R&D team within Electronic Arts dedicated to exploring and defining the future of interactive entertainment through innovative research and collaborations |
29 | |||
| 43 |
N3TWORK Studiosn3twork.com
N3TWORK Studios creates innovative gaming experiences utilizing blockchain technology, with a global team of passionate game developers |
23 | |||
| 44 |
777 Studios777studios.net
Specializing in developing and publishing quality PC simulation products, including award-winning flight simulations like Rise of Flight and Wings of Prey |
22 | |||
| 45 |
Shiny Entertainment, Inc.shiny.com
A game development company known for creating popular titles such as Earthworm Jim, MDK, and Sacrifice, acquired by Interplay and later Atari |
18 | |||
| 46 |
Beeline Interactive, Inc.beeline-i.com
A global developer and publisher of smartphone games, specializing in original and licensed games tailored for the smartphone gamer's unique play style |
18 | |||
| 47 |
Gazillion Entertainmentgazillion.com
The company develops, publishes, and operates diverse games on multiple platforms, focusing on world-class brands, original franchises, and superior gameplay |
18 | |||
| 48 |
Idle Games, Inc.idle-gaming.com
A company obsessed with quality in iGaming, creating visually-stunning casino and card games, recognized for innovation and excellence in social gaming |
16 | |||
| 49 |
NetEase North Americanetease-na.com
A gaming division that aims to be a top global publisher & developer, creating immersive interactive experiences for gamers worldwide |
15 | |||
| 50 |
Present Creative LLCpresentcreative.com
A full-service art and game development studio in San Francisco, specializing in casual, social, casino, and mobile games for industry leaders |
15 | |||
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 12, 2026.
More company lists in California
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- Multinational companies in California 2,591
- SaaS companies in California 1,854
- Software Development companies in California 1,649
- AI companies in California 1,296
- Companies with in-house R&D in California 1,275
- Manufacturers in California 1,066
- Hardware manufacturers in California 985
- IT Services and IT Consulting companies in California 968
- Education providers in California 950
- Subscription businesses in California 939
- Venture capital and private equity firms in California 917
- Professional services firms in California 880
- Companies with a mobile app in California 827
- Retail chains in California 803
- IT services companies in California 796
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- Financial services firms in California 711
- Financial Services companies in California 642
- Healthcare providers in California 569
- AI-native companies in California 561
- Hospitals and Health Care companies in California 555
- Consulting firms in California 551
- Public sector organisations in California 535