Firma U - Solli
- Ulvetanna AS
- Unique AS
- Unitel AS
- Unilon AS
- Urdia AS
- Univers Hermier
- Uphill company AS
- Um Holding AS
- Ugl Norge ANS
- Uri Helene
- Unni Bergendahl
- Universal Marine AS
- Ullevålsveien 1 AS
- Underhaugsveien 15 AS
- Uranienborgvn 12 ANS
- Universal Projects AS
- Urra Festivalen
- Ut En8 AS
- Utleie Frem
- Utigard design
- Utopia Workshop AS
- Under Holding AS
- Ulveseth Anne Irene
- ULTRA Charm Ungdomsbedrift
- Ung jobb Ungdomsbedrift
- Uab Key Elements
- UB Capital Norway AS
- Universelt Fredsforbund Uf
- Ulf Valde Jensen
- Ung Nordisk musikk Norge
- United Arab Emirates Embassy