U LINK - พลังแห่งการเชื่อมโยง
U money
U Up?
U-InTouch
U-JOB
ULL Social
U2 Webzine & Fan Community
U; Good?- Check-in, Show love
UACCIAP
UAlbany DANEger Zone
UANL Online
UAround - Elite Singles Dating
UArts
UASK 2021
UAW 588 Retirees
UAW Local 588
UB Athletics Loyalty Rewards
UB Smart Bus
UB40
Ubersnap - Capture and Print GIFs
Ubetalk – Nearby Drivers Chat
Ubik App
Ubisoft Connect
Ubiz
IME East 2023
UBMe
UBVideos
UC Patriots Rewards
UC1 Communicator
UCA Alumni
UCC CampusConnect
UCC One
UCF Clubs
UChat - Messenger
UChat by TargetX
Uchi
Utah Council of Land Surveyors
UCPA Odyssée - By Kidizz
Ucronic
UcSTAR6
UCSY 9th Batch Yearbook
UD Alumni Community
Uda Bhagat Samaj
Udustars
UE Barberá
UE Worlds 19
UenMe
UFEDEMA
Ufin
UFindIt
UGA FFR