| Porsanger Aqua Film Ans | Information & communication | 1995 |
| Porsanger Arbeidssamvirke AS | Health & social care | 1992 |
| Porsanger Bedriftsbarnehage AS | Education | 1992 |
| Porsanger Elektrosenter AS | Wholesale & retail | 1996 |
| Porsanger Gravemaskin Ans | Construction | 1989 |
| Porsanger Havfiske AS | Agriculture & fishing | 2017 |
| Porsanger Holding AS | Real estate | 2021 |
| Porsanger Industribygg AS | Real estate | 1970 |
| Porsanger Reisebyrå Nuf | Administrative & support | 2005 |
| Porsanger Rør AS | Real estate | 1999 |
| Porsanger Treindustri AS | Manufacturing | 2010 |
| Porsangerfjord Reker AS | Agriculture & fishing | 2015 |
| Pyrox AS | Education | 2025 |
| Rana Nickel AS | Mining & quarrying | 2022 |
| Rask AS | Water & waste | 2007 |
| Regnskap Lakselv AS | Professional & scientific | 1997 |
| Regnskap Lakselv Eiendom AS | Real estate | 1994 |
| Regnskapssjefen AS | Information & communication | 1992 |
| Renhold Og Boligservice AS | Administrative & support | 2011 |
| Rens & Vask Ans | Real estate | 1988 |
| Rens & Vask AS | Other services | 1982 |
| Revida Import Selskap Ans | Wholesale & retail | 2008 |
| Roger Slettvoll AS | Other services | 2001 |
| Roseneng Maskin AS | Construction | 2017 |
| RP Eiendom AS | Real estate | 2004 |
| Russmo AS | Administrative & support | 2022 |
| Saarela Barnehage AS | Education | 1991 |
| Sail Arctic AS | Administrative & support | 2026 |
| Salmon River Capital AS | | 2026 |
| Salt Fisk AS | Agriculture & fishing | 2018 |
| Sarakka AS | Real estate | 2009 |
| Scan 2 Work AS | Wholesale & retail | 2014 |
| Seadok AS | Information & communication | 2025 |
| Seagardener AS | Professional & scientific | 2022 |
| Sealine Fishing AS | Agriculture & fishing | 2017 |
| Sealine Holding AS | Agriculture & fishing | 2015 |
| Sentrum Eiendom AS | Hospitality | 1995 |
| Sentrum Klær AS | Wholesale & retail | 1997 |
| Sentrumsboliger AS | Real estate | 1999 |
| Sesam Eiendom Holding AS | Real estate | 2002 |
| SFF AS | Agriculture & fishing | 2022 |
| Siivet AS | Information & communication | 2007 |
| Sirius Data AS | Information & communication | 2012 |
| Skjellhaug Holding AS | | 2025 |
| SLG Eiendom AS | Real estate | 2020 |
| Småfix AS | Manufacturing | 2022 |
| Solheim Trim & Fysioterapi AS | Health & social care | 2006 |
| Sport & Villmark AS | Wholesale & retail | 1993 |
| Sport 1 Lakselv AS | Wholesale & retail | 2005 |
| SRP Holding AS | Construction | 2009 |
| SRP Utvikling AS | Real estate | 2018 |
| Stabbursdalen Lodge AS | Real estate | 2012 |
| Stabbursdalen Resort AS | Hospitality | 2013 |
| Sten Emil Holding AS | | 2025 |
| Stig Vikan AS | Agriculture & fishing | 2018 |
| Stormsjø AS | Agriculture & fishing | 2020 |
| Stuenes AS | Administrative & support | 2013 |
| Stussen Frisør AS | Other services | 2021 |
| Ságat-Sámiid Áviisa AS Samisk Avis AS | Information & communication | 1956 |
| Sørli Holding AS | Real estate | 2019 |
| Teletun AS | Real estate | 2001 |
| TMK Eiendom AS | Real estate | 2007 |
| Torgsenteret Tannklinikk AS | Health & social care | 2019 |
| TR. Trafikkskole AS | Education | 2012 |
| Trails AS | Wholesale & retail | 2012 |
| Trane Håndverk AS | Construction | 2025 |
| Trevland Gruppen AS | Administrative & support | 2014 |
| Trollholmen AS | Manufacturing | 2021 |
| Trykkeribygg AS | Real estate | 2024 |
| Trykkeriservice AS | Manufacturing | 1980 |
| Utsi Holding AS | | 2025 |
| Vaktmesterservice AS | Administrative & support | 2001 |
| Vask Nord AS | Administrative & support | 2026 |
| Vemund Slettvoll AS | Manufacturing | 2025 |
| Verdde Hotel Lakselv AS | Hospitality | 2021 |
| Via Fortuna AS | | 2025 |
| Visit Porsanger AS | Administrative & support | 2008 |
| Vitobia AS | Wholesale & retail | 2014 |
| VVS Nord AS | Construction | 1985 |
| Wenche's Service AS | Manufacturing | 2012 |
| Whiplash AS | Construction | 2022 |
| Widevig AS | | 2026 |
| Wild Caribou AS | Hospitality | 2016 |
| Willy Aronsen Transport AS | Transport & logistics | 2023 |
| Yttersia Eiendomsutvikling AS | Construction | 2015 |
| Økonomiservice AS | Professional & scientific | 1996 |
| Økonomistyring Nord AS | Professional & scientific | 2010 |
| Østerbotn Naturbarnehage AS | Education | 2005 |