| Ansvarsgruppen AS | Ørsta | 2026 |
| Antigruff AS | Trondheim | 2018 |
| Antilope AS | Oslo | 2025 |
| Apex Academy AS | Ålesund | 2023 |
| Apex Holding AS | Bryne | 2022 |
| Apex Performance AS | Oslo | 2024 |
| Apex Trafikkskole AS | Brandval | 2025 |
| Apnea Boreal AS | Sandnes | 2023 |
| Apnoi AS | Førde | 2023 |
| Apocrypha AS | Oslo | 2019 |
| Apollo Fitness AS | Jakobsli | 2014 |
| Applaus Kulturproduksjoner AS | Halden | 2019 |
| Applikation Ved Susanne Frischauf | 2720 Vanløse | 2014 |
| Apply Norway AS | Oslo | 2024 |
| Aprento AS | Oslo | 2018 |
| Aptitude AS | Heimdal | 2018 |
| Aquaform Vannaerobic AS | Hosle | 2017 |
| Ar Transportkompetanse AS | Alta | 2013 |
| Arakataka Lærlingbedrift AS | Oslo | 2023 |
| Arbeid Med Ord Da | Kristiansand S | 1994 |
| Arbeiderbevegelsens Folkehøgskole Ringsaker AS | Moelv | 2000 |
| Arbeidsglede Toregil Ans | Andenes | 2022 |
| Arbeidslaget AS | Oslo | 2019 |
| Arbeidsmiljøloven Og HMS AS | Holmestrand | 2022 |
| Arbeidsmiljøspesialistene AS | Bønes | 2012 |
| Arcforxu AS | Stabekk | 2021 |
| Arcos AS | Tromsø | 2011 |
| Arctic Aviation Training Center AS | Bardufoss | 2022 |
| Arctic Horizon Capital AS | Trondheim | 2024 |
| Arctic Kayak Group AS | Flornes | 2023 |
| Arctic Kiwi Exchange AS | Tromsø | 2024 |
| Arctic Safe Travel AS | Tromsø | 2025 |
| Arctic Silence AS | Tromsø | 2016 |
| Arctic Trafikkskole AS | Årnes | 2022 |
| Arendal BJJ AS | Arendal | 2017 |
| Arendal Yogastudio AS | Arendal | 2016 |
| Areograph Ltd | Nz-9054 Dunedin | 2012 |
| Arijo AS | Kristiansand S | 2020 |
| Arild Andersen AS | Tanem | 2018 |
| Arild Golf Academy AS | Moss | 2023 |
| Arild's Service Og Tjenester AS | Oltedal | 2018 |
| Arilds Opplæring AS | Porsgrunn | 2024 |
| Arjo Holding AS | Vesterøy | 2011 |
| Arkitektur I Skolen Da | Tønsberg | 2008 |
| Arktisk Kompetansesenter for Sau SA | Sortland | 2018 |
| Arlo Maritime AS | Oslo | 2009 |
| Arman V AS | Trondheim | 2013 |
| Arne Lundstad Holding AS | Gjøvik | 2005 |
| Arnebråtveien Barnehage AS | Sarpsborg | 2004 |
| Arntsen Trafikkskole AS | Straume | 2020 |
| Arnøya Utvikling AS | Arnøyhamn | 2025 |
| Aroma AS | Lørenskog | 2011 |
| Art Musikal Og Ballettskole AS | Oslo | 2012 |
| Art of Living Norge AS | Oslo | 2015 |
| Art Yo Mat AS | Oslo | 2019 |
| Arte Et Labore AS | Arendal | 2024 |
| Artful Balance Da | Oslo | 2024 |
| Artis & Partners AS | Haugesund | 2013 |
| Artist Lab AS | Tjodalyng | 2026 |
| Arun AS | Lørenskog | 2018 |
| Arv Helse AS | Vennesla | 2012 |
| Arve's Mat AS | Stavanger | 2015 |
| AS Barnas Hus Gullhella | Asker | 1971 |
| AS Butikkutvikling | Bryne | 1991 |
| AS Institutt for Psykologisk Rådgivning | Bergen | 1986 |
| AS Karusellen | Bergen | 1990 |
| AS Norrøna Barnehage | Tromsø | 1987 |
| AS Norsk Fagskole | Tromsø | 1998 |
| AS Showme | Leksvik | 2016 |
| AS Sølita - S & T Alvseike | Ølen | 2016 |
| AS3 Norge AS | Lysaker | 2001 |
| Asafety AS | Fosnavåg | 2017 |
| Asak Kulturbarnehage AS | Halden | 2022 |
| Asana Yoga AS | Dilling | 2022 |
| Asap Trafikkskole AS | Verdal | 2026 |
| Asbestkompetanse AS | Laksevåg | 2020 |
| Asbestkurs AS | Borgenhaugen | 2017 |
| Asbjørn Seim Trafikkskule AS | Norheimsund | 2018 |
| Asdal Barnehage AS | Bjorbekk | 2012 |
| Aser Raina AS | Tromsø | 2024 |
| Aserinebliss AS | Saltrød | 2024 |
| Ask Aviation Tech Team AS | Kristiansand S | 2019 |
| Ask Kompetansesenter AS | Haugesund | 2025 |
| Ask Safety AS | Ålesund | 2014 |
| Ask Safety Holding AS | Ålesund | 1995 |
| Askbanken.No Da | Haugesund | 2021 |
| Askedalen Barnehage AS | Leikanger | 2008 |
| Askeladden Barnehage AS | Mosjøen | 1992 |
| Askeladden Barnehage AS | Grimstad | 1999 |
| Askeladden Barnehage Borg Albert Moeskausvei AS | Sarpsborg | 2005 |
| Askeladden Barnehage Borg Fladebyveien AS | Skjeberg | 2023 |
| Askeladden Barnehage Borg Revyveien AS | Greåker | 2023 |
| Askeladden Barnehage Borg ST. Nikolasgate AS | Sarpsborg | 2023 |
| Askeladden Barnehage Borg Turnusbarnehage Færdersgt AS | Sarpsborg | 2023 |
| Askeladden Barnehage SA | Lillehammer | 1982 |
| Askeladden Barnehage SA | Ankenes | 2009 |
| Askeladden Trafikk AS | Kjeller | 2023 |
| Askeland Holding AS | Sandnes | 2019 |
| Askeland Trafikkskole AS | Sandnes | 2019 |
| Askepott Barnehage AS | Ålesund | 2022 |