| A. Hilde Invest AS | | 2022 |
| A1 Vask Og Vedlikehold AS | Administrative & support | 2012 |
| Ale Mates AS | Manufacturing | 2017 |
| Anne Ågot Holding AS | | 2021 |
| Ap Tømrerservice AS | Construction | 2022 |
| Bibu Eiendom AS | Real estate | 2026 |
| Bibu Invest AS | | 2017 |
| Bufjord Camping AS | Hospitality | 2005 |
| Ca Holding AS | | 2024 |
| Daconsult AS | Professional & scientific | 2024 |
| Discarded AS | Manufacturing | 2019 |
| Eidolon AS | Wholesale & retail | 2011 |
| Grimstad Kran AS | Transport & logistics | 2021 |
| Gunnar W Taksering & Eiendom AS | Professional & scientific | 2016 |
| Halter & Lead AS | Agriculture & fishing | 2007 |
| Hanssen Reparasjon, Service Og Vedlikehold AS | Administrative & support | 2020 |
| Homborsauna AS | Other services | 2023 |
| Homborsund Eiendom AS | Real estate | 2017 |
| Homborsund Elektro Ans | Construction | 1988 |
| Homborsund Landhandel AS | Wholesale & retail | 1993 |
| Homborsund Mat Og Drikke AS | Hospitality | 2023 |
| Høst Fertilizer AS | | 2025 |
| Kar Service AS | Construction | 2024 |
| Kasteloss AS | Hospitality | 2025 |
| Lazy Lemon AS | Wholesale & retail | 2023 |
| Lovisenro Maskin AS | Construction | 2026 |
| Løvikvarden AS | Real estate | 2020 |
| M. Johansen Invest AS | Financial services | 2015 |
| Martin Andersen Invest AS | | 2023 |
| Merrefua AS | | 2025 |
| Mortens Mek AS | Manufacturing | 2021 |
| Norminor AS | Professional & scientific | 2010 |
| Norwegian Drilling Group AS | | 2014 |
| Oedegaard VOL.1 AS | | 2025 |
| Oedegaard VOL.2 AS | | 2025 |
| Papercut Media AS | Information & communication | 2009 |
| Qvart & Homborsund Ølkompani AS | Manufacturing | 2017 |
| R.G Mekaniske AS | Manufacturing | 2023 |
| Regnskap & Sånt AS | Professional & scientific | 2023 |
| Sameiet Johan Markussensvei 25-35 | Households | 1991 |
| Skibelid Holding AS | Financial services | 2015 |
| Stall Kjekstad AS | Agriculture & fishing | 2008 |
| Svennevig & Ødegård AS | Manufacturing | 2025 |
| Søndre Hoveneset Vann Og Avløp Drift SA | Water & waste | 2025 |
| Søndre Hoveneset Vann Og Avløp Utvikling SA | Water & waste | 2025 |
| Sørvåg Bygg AS | Construction | 2016 |
| Sørvåg Holding AS | Real estate | 2021 |
| T.B-Holding AS | Wholesale & retail | 2017 |
| T.Jørgensen Bygg AS | Construction | 2019 |
| Truitte AS | Information & communication | 2005 |
| Ugland Invest AS | Real estate | 2008 |
| Vedbua Grimstad AS | Wholesale & retail | 2022 |
| VSJ Arkitektur AS | Professional & scientific | 2022 |
| VSJ Holding AS | Real estate | 2022 |
| Webbusiness AS | Information & communication | 2000 |
| Ødegård Eiendom 2 AS | Real estate | 2025 |
| Østerhus Rør AS | Construction | 2013 |