Marki: U
- Ubiquiti
- Ubisoft
- UBM
- Uchida
- UCO
- Ufesa
- Ugepa
- UGG
- Ugreen
- UHK Gallery
- Uhlsport
- UIG Entertainment
- UK Gear
- Ulefone
- Ulla Popken
- Ulpio
- Ulrich
- Ulric De Varens
- Ulsonix
- Ultimaker
- Ultimate Ears
- Ultimate Tactical
- Ultimode
- Ultra
- ULTRACELL
- Ultradent
- Ultralife
- Ultralink
- ULTRAMENT
- Ultrasone
- Ultrasport
- ULTRA Bearings
- Ultron
- Umbra
- Umbro
- UMIDIGI
- Unbekannt
- Undercover
- Underground
- Under Armour
- Under Twenty
- Ungaro
- Unger
- Uni
- Unia
- UNIA GRUDZIĄDZ
- UNICORN
- Uniden
- Unify
- UNIGLOB
- UNIGRIP
- Unikat
- Unilever
- Unilux
- Unimil
- Union
- UNIOR
- Unipap
- Unique
- Unique 21
- Uniroyal
- Unisa
- UNISON RESEARCH
- Unitec
- United Cutlery
- Unitek
- Unitra
- UNITRAILER
- Unitronics
- Universal
- Universal Music
- Universal Nutrition
- Uni 1
- UNI T
- Unleashed
- Unold
- Unomedical
- UNOX
- Uppercut Deluxe
- UPrint
- Urbanista
- Urban Armor Gear
- Urban Classics
- Urban Junk
- Urban Revolt
- URBAN SURFACE
- Urgent
- Urine Off
- Urmet
- Urnex
- Uroda
- Uromed
- Ursa
- Ursapharm
- Ursa Minor Story
- Ursus
- Urtekram
- USAMS
- USG
- UsMetrix
- UST
- USTM
- US Motor Works
- US Playing Card Company
- US Polo Assn
- Utal
- Utax
- UTG
- Utopia
- Uvex
- Uzin