The contactdetails of the NRA/I can be found on the CEN and ISO website. Please contact NEN via iiv@nen.nl to find out the contactperson for a NRA/I.
| Country | Name | ID | Registered | Registrations |
| ALBANIA | DPS | 1100001001 | 8-8-2018 | AL |
| ALGERIA | IANOR | 1001010001 | 21-6-2019 | |
| AUSTRIA | ÖN | 1100000001 | 3-9-2002 | AT |
| BELGIUM | NBN | 1001110000 | 24-1-2009 | |
| BELARUS | IDS | 1001110101 | 8-4-2013 | |
| BULGARIA | BDS | 1001101011 | 31-7-2019 | BU |
| CROATIA | HZN | 0010101010 | 2-7-2020 | |
| CZECH REPUBLIC | UNMZ | 0111010001 | 1-5-2006 | CZ |
| DENMARK | DS | 1001011110 | 29-7-2003 | DK |
| EQUADOR | INEN | 1000001110 | 15-12-2010 | |
| FINLAND | SFS | 1011001100 | 19-12-2019 | 0 |
| FRANCE | AFNOR | 1011001010 | 10-2-2000 | FR |
| GERMANY | DIN/NA-Automobil | 1001010000 | 2-5-2003 | DE |
| INDONESIA | JTA | 0110010010 | 1-1-2013 | |
| ITALY | UNINFO | 0110000001 | 11-7-2002 | |
| MOROCCO | IMANOR | 0011111000 | 23-1-2012 | |
| NETHERLANDS | NEN | 0011001001 | 1-9-1999 | NL |
| NORWAY | SN | 0011000011 | 19-9-2001 | NO |
| POLAND | PKN | 0110101001 | 10-1-2011 | |
| PORTUGAL | IPQ | 0110100001 | 20-6-2006 | PT |
| SLOVENIA | SIST | 1010001100 | 5-12-2016 | SL |
| SLOVAK REPUBLIC | MDPT SR | 1010011110 | 18-8-2009 | |
| SPAIN | UNE | 1000010100 | 1-9-1999 | ES |
| SWEDEN | SIS | 1010010000 | 1-10-1999 | SE |
| SWITZERLAND | VSS | 0111000101 | 1-2-2000 | |
| UNITED KINGDOM | DTLR | 0101110011 | 19-10-2001 |