Marki: U
- U Power
- UBBINK
- Uberti
- Ubiquiti
- Ubisoft
- UBM
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- Ulpio
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- Ultimaker
- Ultimate Ears
- Ultimate Tactical
- Ultimo
- Ultimode
- Ultra
- ULTRA Bearings
- ULTRA PLUS
- Ultra Pro
- ULTRACELL
- Ultradent
- Ultralife
- Ultrasone
- Ultrasport
- Ultraviol
- Ultron
- Umax
- Umbra
- Umbro
- UMIAR
- UMIDIGI
- Unbekannt
- UNBRANDED
- Uncle Henry
- Under Armour
- Under Twenty
- Undercover
- Underground
- Ungaro
- Unger
- Uni
- Uni 1
- UNI T
- UNI TROL
- Unia
- UNIA GRUDZIĄDZ
- Unico
- Unicol
- UNICORN
- Unicorno
- UNICRAFT
- Uniden
- Unify
- UNIGRIP
- Unikat
- Unilever
- Unilux
- Unimil
- Union
- UNIOR
- Unipap
- Uniphar
- Unipharm
- Unique
- Uniroyal
- Unisa
- UNISON RESEARCH
- Unitec
- United Cutlery
- United Labels
- United nude
- Unitek
- Unitra
- UNITRAILER
- Unitronics
- Universal
- Universal Audio
- Universal Hobbies
- Universal Music
- Universal Nutrition
- Unold
- Unomedical
- UNOX
- Uppercut Deluxe
- UPSA
- Urania
- Urban Armor Gear
- Urban Classics
- Urban Junk
- Urban Legend
- Urbanears
- Urbanista
- Urgent
- Urgo
- Uriage
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- Urmet
- Urnex
- Uroda
- URODZENI PATRIOCI
- Ursa
- Ursapharm
- Ursus
- Urtekram
- US Motor Works
- US Pharmacia
- US Playing Card Company
- US Polo Assn
- USAMS
- USG
- Usher
- USP Zdrowie
- Utal
- Utax
- UTG
- Utopia
- Uvex
- Uzdrowisko Iwonicz
- Uzin