| Air Traffic AS | Skjærhalden | 2012 |
| Airblue Limited Nuf | 55-B Jinnah Avenue Islmabad | 2016 |
| Airbroker AS | Oslo | 1994 |
| Aircontact Cargo AS | Oslo | 1976 |
| Airhill Aerospace Technologies AS | Arendal | 2007 |
| Airlift AS | Bygstad | 1984 |
| Airlift Services AS | Bygstad | 2007 |
| Airline Directors | Oslo | 1995 |
| Airlog Group AS | Nannestad | 2017 |
| Airport Coordination Norway AS | Gardermoen | 1998 |
| Airport Taxi AS | Jessheim | 2024 |
| Airport Taxi Sentral AS | Orre | 2024 |
| Airtrans AS | Skonseng | 2007 |
| Aiscandic AS | Trondheim | 2024 |
| Ait Worldwide Logistics Norway AS | Gardermoen | 1982 |
| Aj Golden AS | Oslo | 2023 |
| Aj Transport AS | Røyken | 1999 |
| Aj Transport Foldereid Ans | Foldereid | 1993 |
| Ajjouri Transport AS | Melhus | 2022 |
| Ak Bud Og Transport AS | Oslo | 2015 |
| Ak Johnsen Transport/Logistikk AS | Larvik | 2025 |
| Ak Marine AS | Bremnes | 2010 |
| Ak Shipping & Chartering AS | Oslo | 2013 |
| Ak Transport Group AS | Oslo | 2025 |
| Aka SPH AS | Lysaker | 2017 |
| Aka Transport AS | Fenstad | 2007 |
| Akastor AS | Lysaker | 2001 |
| Akastor ASA | Lysaker | 2004 |
| Akebakken Invest AS | Oslo | 2006 |
| Aker P-Drift AS | Oslo | 2003 |
| Aker Yachts AS | Oslo | 2001 |
| Akerhaugen Transport AS | Akkerhaugen | 2022 |
| Akershus Logistikk AS | Leirsund | 2025 |
| Akershus Og Østfold Virkestransport AS | Skedsmokorset | 1988 |
| Akershus Taxi AS | Oslo | 2018 |
| Akershus Taxi Og Buss AS | Jessheim | 2024 |
| Akershus Transport Og Lagerutleie Da | Hakadal | 2007 |
| Akershus Vare Distribusjon Ans | Jessheim | 1999 |
| Akerø-Daniel-Nerland Losseassistanse Ans | Ålesund | 1995 |
| Akf AS | Rasta | 2023 |
| Aki Transport AS | Oslo | 2023 |
| Akkord Drive AS | Oslo | 2020 |
| Akli Transport AS | Oslo | 2022 |
| Akm Service AS | Sandefjord | 2021 |
| Ako Amedyan AS | Trondheim | 2017 |
| Akram Transport AS | Oslo | 2024 |
| Aksel Endresen Transport AS | Myre | 1995 |
| Aksel Hagebø Transport AS | Vaksdal | 2018 |
| Akselsen Ans | Sarpsborg | 1999 |
| Aksjerederiet Atlantic AS | Bergen | 1913 |
| Aksjeselskapet Esperanza | Lillestrøm | 1936 |
| Aksjeselskapet Pirtel | Oslo | 1991 |
| Aksnessæther Logistikk AS | Rådal | 1993 |
| Aktiv Drift Norge AS | Vigra | 2004 |
| Aktiv Logistikk AS | Løten | 2018 |
| Aktiv Norgesdistribusjon AS | Oslo | 2019 |
| Aktiv Transport AS | Oslo | 2016 |
| Aktivitetspartner AS | Eidsvoll | 2015 |
| Al Dikar Transport AS | Kristiansand S | 2020 |
| Al Logistik V/Andres Faldborg Lauritzen | Dk-9800 Hjørring | 2023 |
| Al Transport AS | Oslo | 2025 |
| Al-Asil AS | Narvik | 2025 |
| Alabay Distribusjon AS | Oslo | 2026 |
| Alam Transport AS | Oslo | 2018 |
| Alapp AS | Tromsø | 2020 |
| Alba Investment AS | Nøtterøy | 2011 |
| Albatros Taxi AS | Maura | 2023 |
| Albert & Værnes Flyttebyrå AS | Ranheim | 2023 |
| Albert Nilsskog AS | Mosjøen | 2013 |
| Albertsen AS | Mo I Rana | 2024 |
| Albertsons Åkeri Nuf | 231 70 Anderslöv | 2012 |
| Albittar Transport AS | Drammen | 2025 |
| Alder Aviation Limited | Swords, County Dublin | 2015 |
| Aldibil Transport AS | Tromsø | 2026 |
| Alegria Dela Vida Sia | Lv-1055 Riga | 2020 |
| Alex Andersen Norge AS | Moss | 2012 |
| Alex Andersen, Ølund | 5250 Odense Sv | 2012 |
| Alex Haug AS | Bodø | 2025 |
| Alexander Olsen AS | Leinstrand | 2025 |
| Alexander Tut Og Kjør AS | Strømmen | 2026 |
| Alexx Norsk Transport AS | Oslo | 2025 |
| Alf Andersen AS | Langhus | 1974 |
| Alf Birger Tallaksen AS | Arendal | 2002 |
| Alf Johan Asphaug Transport AS | Blomsterdalen | 2014 |
| Alf Marthinsen AS | Jørpeland | 1996 |
| Alf Rickard Andersen Transport AS | Høvåg | 2020 |
| Alfa Airlines Services Norway AS | Oslo | 2024 |
| Alfa Aktivum AS | Molde | 1996 |
| Alfa Bil AS | Nesttun | 2017 |
| Alfa Frakt AS | Sandnes | 2018 |
| Alfa Lagerhotell AS | Kristiansand S | 2008 |
| Alfa Limousine AS | Oslo | 2022 |
| Alfa Mobility Norway AS | Oslo | 2008 |
| Alfa Moving Norway AS | Oslo | 2005 |
| Alfa&Omega AS | Skjomen | 2021 |
| Alfagrønn AS | Sola | 2022 |
| Alfamaxim AS | Hordvik | 2023 |
| Alfanor 24031 AS | Melhus | 2024 |
| Alhariri Taxi AS | Oslo | 2023 |
| Alheco Shipping AS | Oslo | 2021 |