Firma U - Heimdal
- Univital AS
- Uport AS
- Udupas Impressions
- Upheads AS avd Trondheim
- Ut Events AS
- Ulstadløkkveien 8 AS
- Uttian utvikling AS
- Undervisningsservice Hansen
- Ulstad Rpas
- Ungdom til ungdom
- Ungdom til ungdom
- Uab Me Trailers
- Uno-X Heimdal
- Ugla Holding AS Tvangsavviklingsbo
- Ugla Holding AS Tvangsavviklingsbo
- Urmakermester Arne Asklund AS
- Unhjem Lill Beate S.
- Urgårdshjelp Karl R Urgård
- Ultrans Thermotransport Runar Ulriksen
- Unnis salong Unni Espnes