| Bådhuse Bar Og Brasseri AS | Bjelland | 2012 |
| Bård Furunes AS | Roan | 2020 |
| Bård Henriksen Bilverksted AS | Skien | 2009 |
| Bård Kurotek Service AS | Bodø | 2016 |
| Båt Og Hyttelaget Håling BN | Bardu | 1968 |
| Båthuslag 3 SA | Mandal | 1967 |
| Båtmotoren AS | Oslo | 2002 |
| Bækken Service AS | Steinkjer | 2025 |
| Bærum Autolakkering AS | Rud | 1997 |
| Bærum Bil & Eiendom AS | Stabekk | 2018 |
| Bærum Biloppretting AS | Rud | 1982 |
| Bærum Bilpleie AS | Sandvika | 2023 |
| Bærum Bilservice Og Skade AS | Oslo | 2020 |
| Bærum Bilverksted AS | Rud | 2020 |
| Bærum Frisørsalong AS | Høvik | 2022 |
| Bø Auto AS | Bø I Telemark | 2012 |
| Bø Bil Og Karosseri AS | Bø I Telemark | 2021 |
| Bø Gravferd AS | Straumsjøen | 2008 |
| Bødal Utmarkslag SA | Vestre Gausdal | 1943 |
| Bøe Begravelsesbyrå AS | Sandefjord | 2025 |
| Bøen Mek AS | Hemnes | 2012 |
| Bøgh Hafsø Bilforretning AS | Egersund | 2001 |
| Bøler Auto AS | Hurdal | 2020 |
| Bøler Hudpleie AS | Oslo | 2005 |
| Bølgelengde AS | Vettre | 1989 |
| Bølgen Frisør AS | Trondheim | 2021 |
| Bølgen Frisør Farsund AS | Farsund | 2025 |
| Bølgen Frisør Lillesand AS | Lillesand | 1996 |
| Bøllen & Blondinen Frisør AS | Skien | 2008 |
| Bømlo Gravferdsbyrå AS | Bremnes | 2012 |
| Bømlo Hundepensjonat AS | Bremnes | 2016 |
| Bømlo Maritime AS | Bømlo | 2021 |
| Børge Olsen Holding AS | Erdal | 2005 |
| Børge Olsen Racing AS | Kleppestø | 2001 |
| Børsa Bilservice AS | Børsa | 2024 |
| Børøya Hytteforening | Levanger | 1996 |
| C C Dames Frisørsalong AS | Bergen | 1994 |
| C Frisør AS | Randaberg | 2018 |
| C&M Aesthetics AS | Oslo | 2022 |
| C&M Aesthetics Bekkestua AS | Bekkestua | 2025 |
| C.Hudklinikk AS | Kolltveit | 2020 |
| C.J. Hvidevareservice Aps | Dk-9200 Ålborg | 2019 |
| Cab Tech AS | Kløfta | 2024 |
| Cab Technology and Communication Trøndelag Da | Stjørdal | 2003 |
| Cabello AS | Inderøy | 2021 |
| Cabello Hårstudio AS | Fana | 2000 |
| Cabelo Dame & Herrefrisør AS | Fredrikstad | 2016 |
| Cabelo Hair AS | Fredrikstad | 2021 |
| Cabina AS | Trondheim | 1989 |
| Cabina Byhaven AS | Trondheim | 2017 |
| Cabina Thomas Angels GT AS | Trondheim | 2003 |
| Cabis Da | Oslo | 2024 |
| Cactus Frisør Lillehammer AS | Lillehammer | 2025 |
| Cadoh AS | Drammen | 2025 |
| Caleo Hudpleie AS | Øvre Årdal | 2011 |
| Caliber AS | Båtsfjord | 2006 |
| California District AS | Oslo | 2023 |
| California Nails AS | Ølen | 2017 |
| Calima Frisør AS | Oslo | 1989 |
| Calma Beauty AS | Geithus | 2018 |
| Calypso AS | Indre Arna | 2019 |
| Cameloon AS | Fosnavåg | 2006 |
| Camelot AS | Flekkefjord | 1965 |
| Camera & Videoteknikk AS | Nyborg | 1982 |
| Camilla Must AS | Kirkenes | 2024 |
| Camilla Tørring Møbeltapetsering AS | Oslo | 2018 |
| Camilla Wangsmo AS | Oslo | 2006 |
| Camilla. Frisør Salong&Academy AS | Nesbru | 2021 |
| Camillaink Holding AS | Oslo | 2024 |
| Cammy's Frisørhjørne AS | Kalvåg | 2021 |
| Campus Utvikling AS | Kristiansund N | 2022 |
| Can Cam Drop in AS | Ålesund | 2002 |
| Can Cam Moa AS | Ålesund | 1990 |
| Can W. Auto AS | Kråkstad | 2011 |
| Cancam Molde AS | Molde | 2003 |
| Candies Nail and Spa Center AS | Kleppestø | 2026 |
| Caninefit AS | Solbergelva | 2018 |
| Canis Hundeskole Avdeling Stavanger AS | Ræge | 2015 |
| Canis Hundetrening AS | Melhus | 2013 |
| Canotto Foods AS | Stavanger | 2024 |
| Cao Salong 2 AS | Skien | 2025 |
| Capada AS | Tolvsrød | 2019 |
| Capella Holding AS | Bodø | 2016 |
| Capelli Hårstudio AS | Hønefoss | 2021 |
| Capelli Salong AS | Hauge I Dalane | 2013 |
| Capelli Salong Naser AS | Ålgård | 2021 |
| Capello Frisører AS | Gol | 2008 |
| Capilli Frisør AS | Voss | 2002 |
| Capilli Frisør Sogndal AS | Sogndal | 2013 |
| Capillo Frisørsalong Ans | Kristiansand S | 1999 |
| Capillus AS | Billingstad | 2025 |
| Capillus Capital AS | Billingstad | 2025 |
| Capital Company AS | Oslo | 2023 |
| Cappilytix AS | Hamar | 2024 |
| Capri Club Norge | Holum | 1984 |
| Captains Enterprise AS | Oslo | 2018 |
| Car & Tec Da | Hagan | 2009 |
| Car Autopilot AS | Nannestad | 2024 |
| Car Consulting AS | Sandnes | 2025 |
| Car Craft AS | Tiller | 2013 |