Adult DVD Studios
- U.S. Male
- Uc Global Trade Dba Honey Play B
- UK Porn Kings
- Ultima Entertainment
- Ultimate
- Ultimate Pictures
- Ultimate Product Distributors Ll
- Ultimate Tgirl
- Ultra Deca
- Ultra Hard Films
- Ultra Image
- Ultrahard Films
- Un-Plugged
- Uncensored Entertainment
- Uncut Productions
- Underground
- Union Jaxxx
- United Video / Heatwave
- Universal Trannies
- Universe Laser
- Unleashed Movies
- Unlimited
- Unlisted Studio
- Unparalleled Productions
- Unplugged
- Up Close X
- Urban Adult Entertainment
- Urban Attractions
- Urban Jungle
- Urban Logixxx
- Urban Street Studios
- Urge Xotica
- UTG