Companies
- dakko dakko
- Dambuster Studios
- DANGEN Entertainment
- Danger Close Games
- Daniel Blezek
- Dark Energy Digital
- Dark Horse Comics
- Dark Passenger
- DarkStone Digital
- Data Design Interactive
- Data Discs
- Day 1 Studios
- Daybreak Game Company
- Days of Wonder
- DC
- DC Entertainment
- DC Films
- DC Studios
- Deadline Games
- Dear Villagers
- Deck Nine Games
- Deck13 Interactive
- Deco Digital
- Deconstructeam
- Deep Silver
- Deep Silver Volition
- Deepnight Games
- Def Jam Enterprises
- Defiant Development
- Defrost Games
- Dejobaan Games
- Del Rey
- Dell Inc
- Delphine Software
- Demiurge Studios
- DeNA
- Dennaton Games
- Destination Games
- Destructive Creations
- Deviation Games
- Devolver Digital
- DFC Intelligence
- Dhruva Interactive
- DICE
- Dicebreaker
- Die Gute Fabrik
- Digital Bridges
- Digital Chocolate
- Digital Dreams
- Digital Eclipse