| Modern House Holding AS | Construction | 2004 |
| Myhre & Sønn AS | Construction | 2013 |
| Myhre Holdingselskap AS | Construction | 2000 |
| Møbelsnekkerne Lien & Lian AS | Manufacturing | 2011 |
| Møbler Huset AS | Wholesale & retail | 2026 |
| Namm AS | Hospitality | 2008 |
| Nauen Holding AS | Real estate | 2022 |
| Nauen Invest AS | | 2021 |
| Nauen Næringseiendom AS | Real estate | 2023 |
| Newco Equestrian AS | Arts & recreation | 2025 |
| NH Norsk Handel AS | Wholesale & retail | 2005 |
| Norsetek AS | Professional & scientific | 2008 |
| Norsk Analyse AS | Professional & scientific | 1988 |
| Norsk Motorservice AS | Wholesale & retail | 2023 |
| Norske Lagerbygg AS | Real estate | 2018 |
| Oase Invest AS | | 2025 |
| Odba Holding AS | | 2015 |
| Omkri Plan & Arkitektur AS | Professional & scientific | 2025 |
| Onitio Solutions Norge AS | Information & communication | 2014 |
| Orre Holding AS | | 2026 |
| Osberg Laser Engraver AS | Arts & recreation | 2025 |
| Olsen Nauen Klokkestøperi AS | Manufacturing | 1986 |
| Peelz of Norway AS | Other services | 2020 |
| Pep Utvikling AS | Real estate | 2024 |
| Pivu AS | Health & social care | 2022 |
| PMH Montasje AS | Construction | 2021 |
| Pogg AS | Real estate | 2004 |
| Preda Bygg AS | Transport & logistics | 2020 |
| Presterødåsen Panorama AS | Real estate | 2018 |
| QP Parts AS | Wholesale & retail | 2015 |
| R&L Invest AS | Real estate | 2018 |
| Rabanen AS | Real estate | 2024 |
| Raft Suppression AS | Professional & scientific | 2018 |
| Rambergveien 3 AS | Real estate | 2023 |
| Ravenga Rådgivning Ans | Administrative & support | 2000 |
| Ree AS | Real estate | 2024 |
| Rekkverksystemer AS | Wholesale & retail | 2020 |
| Revival Ministries International | Other services | 2004 |
| Risøybukta AS | Real estate | 2017 |
| Risøysund Holding AS | Real estate | 2024 |
| Romnes Tønsberg AS | Wholesale & retail | 2017 |
| Rti Eiendom AS | Real estate | 2007 |
| Rørlegger Andersen AS | Construction | 2022 |
| Røroppdrag Og Gass AS | Construction | 2024 |
| S Tech AS | Other services | 2022 |
| S-G Holding AS | Wholesale & retail | 2024 |
| Sba AS | Construction | 2005 |
| Sba Utleie AS | Administrative & support | 2008 |
| Scan Secure AS | Wholesale & retail | 2015 |
| Scandinavian Touch Norway AS | Wholesale & retail | 2024 |
| Schiøtz Eiendom AS | Real estate | 2021 |
| Schiøtz Holding AS | Other services | 2011 |
| SD Transport AS | Other services | 2009 |
| Seanode AS | Professional & scientific | 2024 |
| Seev AS | Professional & scientific | 2020 |
| Sem Grunneiere Samvirkeforetak | Agriculture & fishing | 1952 |
| Seth Media AS | Wholesale & retail | 2021 |
| Sias AS | Manufacturing | 1996 |
| Sigurdsøn AS | Wholesale & retail | 2015 |
| Skoppum Næringspark AS | Real estate | 2026 |
| Slettedal Eiendomsdrift AS | | 2019 |
| Slettedal VVS AS | Construction | 2012 |
| SNP1 AS | Real estate | 2026 |
| SNP2 AS | Real estate | 2026 |
| SNP3 AS | Real estate | 2026 |
| SNP4 AS | Real estate | 2026 |
| Sporet Eiendom AS | Real estate | 2015 |
| Stensnes Maskin AS | Construction | 2021 |
| Storsteinnett AS | Information & communication | 2012 |
| Sverres Snekkerservice AS | Construction | 2024 |
| System Regnskap AS | Professional & scientific | 2015 |
| Sportex AS | Wholesale & retail | 1976 |
| Sæheim AS | | 2021 |
| Søyland Invest AS | Financial services | 2016 |
| Tellef Holding AS | Construction | 2005 |
| Tellefsen-Holding AS | Real estate | 2015 |
| Terje Ellefsen AS | Construction | 1998 |
| Timber AS | Construction | 1999 |
| Time for Beauty AS | Other services | 2019 |
| Torvet 2 Risør AS | Real estate | 2023 |
| Transportsentralen Tønsberg AS | Transport & logistics | 2005 |
| Trygg Drift AS | Administrative & support | 2023 |
| Tunsbergis AS | | 2026 |
| Tønsberg Blikk Og Montasje AS | Construction | 2012 |
| Tønsberg Bygg-Service AS | Construction | 2011 |
| Tønsberg Ridesenter AS | Arts & recreation | 2021 |
| Tønsberg Treverksted AS | Manufacturing | 1997 |
| Tønsberg Vulk AS | Other services | 1995 |
| Undrumsdalveien 249 AS | | 2008 |
| Unicum Home AS | Wholesale & retail | 2014 |
| Unih AS | Wholesale & retail | 2000 |
| Unitech Energy AS | Wholesale & retail | 2005 |
| Unitech Holding AS | Wholesale & retail | 2005 |
| Veko AS | Construction | 2003 |
| Veko Invest AS | Construction | 2012 |
| Ventolera AS | Real estate | 2008 |
| Vestfold Antirust AS | Other services | 2020 |
| Vestfold Autogass AS | Other services | 2015 |
| Vestfold Bygg Og Rekkverk AS | Construction | 2016 |
| Vestfold Husservice AS | Administrative & support | 2011 |