| &Lunde AS | Professional & scientific | 2026 |
| 24 Betong AS | Construction | 2023 |
| 24 Eiendom AS | Real estate | 2009 |
| 24 Holding AS | | 2026 |
| 24-EIENDOM AS | | 2026 |
| Aequilibrium in Crisis AS | Education | 2020 |
| Albretsen Eiendom AS | Real estate | 2018 |
| Anders Thingstad AS | Financial services | 2016 |
| Arkitekt Kristine Glenna Kragset AS | Professional & scientific | 2024 |
| AS Timber Co | Agriculture & fishing | 1906 |
| Aureus Holding AS | | 2021 |
| Axero AS | Construction | 2026 |
| Bamble Caravan AS | Wholesale & retail | 2023 |
| Bamble Super'N A/S | Wholesale & retail | 1988 |
| Barclay Frisør AS | Other services | 2025 |
| Basodrol AS | Real estate | 2022 |
| Bjønnes Fjellservice AS | Construction | 2021 |
| Bjørka Kreativt Verksted AS | Professional & scientific | 2022 |
| Bjørn Ravlo AS | Health & social care | 1993 |
| Bmbb AS | Health & social care | 2011 |
| Bonus Eiendom AS | Real estate | 2011 |
| Bour Invest AS | Real estate | 2016 |
| Brakon AS | Professional & scientific | 1994 |
| Brevik & Bamble Invest AS | Real estate | 2025 |
| Brevik & Bamble Trafikkskole AS | Education | 1996 |
| Brevik Båt Og Fritid AS | Real estate | 2014 |
| Brevik Eiendom AS | Real estate | 2023 |
| Brevik Engineering AS | Professional & scientific | 2013 |
| Brevik Verft AS | Real estate | 2019 |
| Budekspressen Ans | Transport & logistics | 1993 |
| Bøleveien 80 AS | Real estate | 1997 |
| Cado AS | Wholesale & retail | 2014 |
| Camp Supply International AS | Wholesale & retail | 2000 |
| Clean Cooking and Energy AS | | 2018 |
| Connies Klinikk AS | Health & social care | 2025 |
| Curt Adeler Eiendom AS | Real estate | 2007 |
| Curt Adeler Holding AS | Wholesale & retail | 2005 |
| Dens Invest AS | Real estate | 2005 |
| Dikkon Kafe AS | Wholesale & retail | 2015 |
| Duftdesign AS | Wholesale & retail | 2024 |
| Einoes AS | Real estate | 2013 |
| Embern AS | Administrative & support | 2024 |
| Equity Credit Management AS | Administrative & support | 1994 |
| Equity Finance AS | Administrative & support | 2023 |
| Even Flow Holding AS | Hospitality | 2022 |
| Ferjestedsgården Bakeriutsalg AS | Manufacturing | 2026 |
| Feste Rådgivning AS | Professional & scientific | 2008 |
| Foodstores Børre Og Even Skui Ans | Real estate | 1990 |
| Frier Vest Asdal AS | Real estate | 2015 |
| Frier Vest Havneeiendom AS | Real estate | 2019 |
| Frier Vest Holding AS | Real estate | 2020 |
| Fru Blaa AS | Professional & scientific | 2012 |
| Futura Seg AS | Wholesale & retail | 2016 |
| Førli Eiendom AS | Professional & scientific | 2005 |
| G&S Utvikling AS | | 2018 |
| Glimsdal Holding AS | | 2021 |
| Global Solution Investment Limited Nuf | | 2025 |
| Green Fuel AS | | 2023 |
| Grenland Drenering Og Anleggsgartnertjenester AS | Construction | 2020 |
| Grenland Maritime Elektro AS | Construction | 2020 |
| Gta Solutions AS | Real estate | 2019 |
| H Pettersen Eft Ans | Construction | 1992 |
| H. M. Albretsen Verktøysikring AS | Wholesale & retail | 2002 |
| Hemstad Danmo Holding AS | | 2025 |
| Heroes of Telemark AS | Water & waste | 2016 |
| Hillsvei 29 AS | Real estate | 2008 |
| HMS AS | Professional & scientific | 2021 |
| HN Elektro AS | Construction | 2013 |
| Hokas Holding AS | Administrative & support | 2016 |
| House of Printables Da | Wholesale & retail | 2026 |
| Håndverksbygg AS | Construction | 1993 |
| Ina Skiebe Grafisk AS | Manufacturing | 2020 |
| Iniestha AS | Financial services | 2013 |
| Jan-Erik Olsen Kjøkken Og Glass AS | Wholesale & retail | 1978 |
| JMT Invest AS | | 2018 |
| Jy Holding AS | | 2024 |
| Jørn's Båt Og Hytteservice AS | Manufacturing | 2023 |
| Kaia Kafé Da | Hospitality | 2025 |
| Kirilov Holding AS | | 2025 |
| Koffegata 2 AS | Real estate | 2014 |
| Komplett-Bygg AS | Real estate | 2025 |
| Kongshavn Eiendom AS | Real estate | 1988 |
| Korkom Næring AS | Real estate | 2009 |
| Korvetten Tannklinikk AS | Health & social care | 2005 |
| Korvetten Te AS | Real estate | 2023 |
| Kulltangen AS | Real estate | 2020 |
| Liland Lodge Og Utleie AS | Real estate | 2025 |
| Masima-B AS | | 2005 |
| Monhed AS | Real estate | 2009 |
| Mystory Productions Da | Information & communication | 2004 |
| Nanocean AS | Professional & scientific | 2023 |
| Nanosoil AS | Professional & scientific | 2023 |
| Net AS | Professional & scientific | 2007 |
| Netopp Holding AS | Professional & scientific | 2011 |
| Nli Grenland AS | Manufacturing | 2000 |
| Norpro AS | Professional & scientific | 2002 |
| Norsk Mur AS | Construction | 2012 |
| Northsea Terminal AS | Transport & logistics | 2002 |
| Oba Door AS | Wholesale & retail | 2017 |
| Oba Holding AS | Real estate | 2014 |