| ERGO FORSIKRING A/S NUF | 935478146 | Oslo | 19 May 2025 | Active |
| IDRETTENS FORSIKRINGSSELSKAP AS | 935621755 | Oslo | 15 May 2025 | Active |
| XL INSURANCE COMPANY SE NUF | 935167760 | Bergen | 27 March 2025 | Active |
| NORSKE TOG FORSIKRING AS | 935324114 | Oslo | 13 May 2024 | Active |
| ALANDIA FÖRSÄKRING ABP NUF | 932848864 | Oslo | 18 March 2024 | Active |
| COMPAGNIE FRANCAISE D'ASSURANCE POUR LE COMMERCE EXTÉRIEUR S.A. NUF | 827325562 | Oslo | 24 June 2021 | Active |
| LIBERTY MUTUAL INSURANCE EUROPE SE NUF | 926402099 | Oslo | 9 February 2021 | Active |
| INDERØY HEST OG FE FORSIKRING SA | 926423533 | Inderøy | 14 December 2020 | Active |
| BANE NOR FORSIKRING AS | 924790342 | Oslo | 5 February 2020 | Active |
| VIENNA INSURANCE GROUP AG WIENER VERSICHERUNG GRUPPE NUF | 923353224 | Lysaker | 24 September 2019 | Active |
| AXA FRANCE IARD - BRANCH - NORWAY NUF | 921042582 | Oslo | 22 June 2018 | Active |
| AIG EUROPE S.A. NUF | 920957854 | Oslo | 19 June 2018 | Active |
| ATRADIUS CRÉDITO Y CAUCIÓN S.A. DE SEGUROS Y REASEGUROS NUF | 917877947 | Lysaker | 25 October 2016 | Active |
| W.R. BERKLEY INSURANCE NORDIC NUF | 816815622 | Oslo | 17 March 2016 | Active |
| WATERCIRCLES FORSIKRING ASA | 915495486 | Lysaker | 11 May 2015 | Active |
| GARD MARINE & ENERGY INSURANCE (EUROPE) AS | 913861825 | Arendal | 26 June 2014 | Active |
| SKADEFORSIKRINGSSELSKAPET BORETTSLAGENES SIKRINGSORDNING AS | 998102391 | Oslo | 15 February 2012 | Active |
| EULER HERMES NUF | 897391872 | Oslo | 1 October 2011 | Active |
| LY FORSIKRING ASA | 996547639 | Moelv | 1 February 2011 | Active |
| THE SWEDISH CLUB NORWAY NUF | 996241769 | Oslo | 7 December 2010 | Active |
| GJENSIDIGE FORSIKRING ASA | 995568217 | Oslo | 23 April 2010 | Active |
| GARD P. & I. (BERMUDA) LTD NUF | 995194384 | Arendal | 6 March 2010 | Active |
| HDI GLOBAL SE NUF | 992055049 | Oslo | 26 January 2008 | Active |
| ZURICH INSURANCE EUROPE AG NUF | 991803017 | Oslo | 11 October 2007 | Active |
| FRENDE SKADEFORSIKRING AS | 991436960 | Bergen | 20 June 2007 | Active |
| KNIF TRYGGHET FORSIKRING AS | 991206825 | Oslo | 26 April 2007 | Active |
| TRYG FORSIKRING A/S NUF | 989563521 | Fyllingsdalen | 25 March 2006 | Active |
| SOLID FORSÄKRINGSAKTIEBOLAG NUF | 988263796 | Rykkinn | 6 July 2005 | Active |
| GARD MARINE & ENERGY LIMITED NUF | 987964537 | Arendal | 15 March 2005 | Active |
| FORSAKRINGSAKTIEBOLAGET AGRIA (PUBL) NUF | 987268069 | Oslo | 10 November 2004 | Active |
| NORDIC GUARANTEE FÖRSÄKRINGSAKTIEBOLAG NUF | 986398929 | Oslo | 7 February 2004 | Active |
| NORSK LEGEMIDDELFORSIKRING AS | 986396284 | Oslo | 11 December 2003 | Active |
| CHUBB EUROPEAN GROUP SE, NORSKREGISTRERT UTENLANDSK FORETAK NUF | 986116982 | Oslo | 29 November 2003 | Active |
| PROTECTOR FORSIKRING ASA | 985279721 | Oslo | 9 January 2003 | Active |
| ANTICIMEX FORSIKRING AB NORSK AVDELING AV UTENLANDSK FORETAK NUF | 984735049 | Oslo | 24 August 2002 | Active |
| FINSE FORSIKRING AS | 883916042 | Oslo | 8 November 2001 | Active |
| LANDKREDITT FORSIKRING AS | 983784895 | Oslo | 17 August 2001 | Active |
| HELP FORSIKRING AS | 981877888 | Oslo | 1 March 2000 | Active |
| IF SKADEFORSIKRING NUF | 981290666 | Oslo | 6 December 1999 | Active |
| TELENOR FORSIKRING AS | 980003744 | Fornebu | 25 June 1998 | Active |
| STATNETT FORSIKRING AS | 979870140 | Oslo | 4 March 1998 | Active |
| STATKRAFT FORSIKRING AS | 979459408 | Oslo | 21 October 1997 | Active |
| OSLO FORSIKRING AS | 976542371 | Oslo | 22 April 1996 | Active |
| KLP SKADEFORSIKRING AS | 970896856 | Oslo | 15 February 1994 | Active |
| NBBL FULLTEGNINGSFORSIKRING AS | 964649669 | Oslo | 31 May 1991 | Active |
| KLEPP HESTEASSURANSE | 971469986 | Bryne | 1 January 1986 | Active |
| VARIG FORSIKRING NORDMØRE OG ROMSDAL GJENSIDIG | 939773460 | Molde | 13 April 1985 | Active |
| EQUINOR INSURANCE AS | 836771192 | Stavanger | 6 February 1985 | Active |
| ROGALAND SJØTRYGDELAG GJENSIDIG | 857083962 | Kopervik | 1 January 1984 | Active |
| INDRE SUNNMØRE GJENSIDIG BRANNKASSE | 942861559 | Stranda | 25 October 1977 | Active |