| Bill AS | Professional & scientific | 2018 |
| Bilservice Molde AS | Other services | 2023 |
| Bilutleie 1 Drift AS | Administrative & support | 2025 |
| Bilutleie 1 Norge AS | Administrative & support | 2009 |
| Birdhouse Da | Manufacturing | 2015 |
| Birger Hatlebakks Veg 10 AS | Real estate | 2006 |
| Birger Hatlebakks Veg 15 AS | Manufacturing | 2000 |
| Birkelandsvn. 42 AS | Real estate | 2015 |
| Bispen Capital AS | | 2023 |
| Bitscom AS | Real estate | 2014 |
| BJ Rødseth Holding AS | Real estate | 2020 |
| Bjarne Rødseth Eiendomsselskap AS | Real estate | 1985 |
| Bjbj AS | Real estate | 2025 |
| Bjerkestrand Invest AS | Construction | 2015 |
| Bjorli Drift AS | Real estate | 2009 |
| Bjorligard Handelshus AS | Real estate | 2001 |
| Bjorligard Hotell AS | Administrative & support | 2004 |
| Bjorligard Utbygging AS | Real estate | 2003 |
| Bjorlivegen AS | Real estate | 2005 |
| Bjørkum Bil Ans | Other services | 1998 |
| Bjørnsonhuset AS | Real estate | 2001 |
| Bjørnsonhusets Venner AS | Real estate | 2001 |
| Bjørnsund Eiendomsselskap AS | Real estate | 1996 |
| Bjørset Barnehage AS | Education | 2022 |
| Bjørsetbovegen 10 AS | Real estate | 2015 |
| Bjørsetskog AS | Real estate | 2017 |
| BK Bygg Og Service AS | Construction | 2020 |
| Black Rabbit AS | Real estate | 2025 |
| Blikkenslager R. Myklebust AS | Construction | 2005 |
| Blodige Investeringer AS | | 2025 |
| Blond AS | Other services | 2005 |
| Blue Hour Holding AS | Manufacturing | 2022 |
| Blø Invest AS | Real estate | 2011 |
| Boksasp Holding AS | | 2020 |
| Boligeiendom Forvaltning AS | Real estate | 2006 |
| Boligeiendom Fritid AS | Real estate | 2000 |
| Boligeiendom Invest AS | | 2026 |
| Boligeiendom Sak AS | Real estate | 2017 |
| Bolme Holding AS | | 2022 |
| Bolsønes Invest AS | Professional & scientific | 2013 |
| Bolsønes Verft AS | Manufacturing | 1984 |
| Bolsøyvegen Industrier AS | | 2025 |
| Bonafide Holding AS | | 2021 |
| Bonsaksen Holding AS | Financial services | 2018 |
| Boråsvegen 42-44 AS | Real estate | 2023 |
| Botané AS | Other services | 2025 |
| Bouwen AS | Wholesale & retail | 2015 |
| Bovi AS | Real estate | 2003 |
| Bovieran Molde AS | Real estate | 2021 |
| Brand on Net AS | Wholesale & retail | 2025 |
| Branskar Invest AS | | 2025 |
| Bravo Lucy AS | Information & communication | 2009 |
| Brev Invest AS | | 2021 |
| Bright-Future AS | Information & communication | 2025 |
| Brillehjørnet Molde AS | Wholesale & retail | 2005 |
| Brio Lek Center Roseby AS | Wholesale & retail | 2001 |
| Bris Treningssenter AS | Arts & recreation | 2008 |
| Brogata Butikkeiendom AS | Real estate | 2013 |
| Broodstock Capital AS | Financial services | 2016 |
| Broodstock Capital II AS | Financial services | 2017 |
| Broodstock Capital III AS | Financial services | 2025 |
| Broodstock Partners Holding AS | Financial services | 2023 |
| Bruland Butikkeiendom AS | Real estate | 2008 |
| Brunvold Holding AS | Professional & scientific | 2025 |
| Brunvoll AS | Manufacturing | 2010 |
| Brunvoll Eiendom AS | Real estate | 2006 |
| Brunvoll Holding AS | Manufacturing | 2014 |
| Brunvoll Maritime Group AS | Manufacturing | 2021 |
| Brushuset AS | Real estate | 2013 |
| Brødr. Brunvoll Motorfabrikk AS | Real estate | 2011 |
| Bud Butikkeiendom AS | Real estate | 2021 |
| Bunadstilbehør AS | Wholesale & retail | 2026 |
| Buset AS | Professional & scientific | 1998 |
| Bustad AS | Real estate | 2025 |
| Butikkdrift Ahmetaj AS | Wholesale & retail | 2025 |
| Butikkdrift Ob Sundgot AS | | 2012 |
| Butikkeiendom Møre AS | Real estate | 2005 |
| Bygg Ziemba Molde AS | Construction | 2022 |
| Byggje AS | Manufacturing | 2019 |
| Byggmester Haltvik AS | Construction | 2014 |
| Byggmester Jan Ukkelberg AS | Construction | 2014 |
| Brillehuset A/S | Wholesale & retail | 1987 |
| Bård Lyster Holding AS | | 2026 |
| Bækø Invest AS | Administrative & support | 2024 |
| Børre Bjørsvik AS | Administrative & support | 2014 |
| C10 Holding AS | | 2020 |
| Café Moldebadet AS | Hospitality | 2022 |
| Cai Software Norway AS | Information & communication | 2024 |
| Cali Molde AS | Wholesale & retail | 2015 |
| Calidris AS | Information & communication | 2005 |
| Camperbird AS | Wholesale & retail | 2021 |
| Canasta AS | Financial services | 2014 |
| Cancam Molde AS | Other services | 2003 |
| Cap Clara AS | Real estate | 2021 |
| Cap Clara Småbåthavn SA | Arts & recreation | 2010 |
| Capone Molde AS | Wholesale & retail | 1991 |
| Caramel Molde AS | Wholesale & retail | 2016 |
| Carat Business Systems AS | Real estate | 1998 |
| Carolus Private Tannklinikk AS | Health & social care | 2024 |
| Carried Away AS | | 2015 |