The contactdetails of the NRA/I can be found on the CEN and ISO website. Please contact NEN via kid@nen.nl to find out the contactperson for a NRA/I.
| Country | Name | ID | Registered | Registrations |
| ALBANIA | DPS | 1100001001 | 2018-08-08 | |
| ALGERIA | IANOR | 1001010001 | 2019-06-21 | |
| AUSTRIA | ÖN | 1100000001 | 2002-09-03 | AT |
| BELGIUM | NBN | 1001110000 | 2009-01-24 | |
| BELARUS | IDS | 1001110101 | 2013-04-08 | |
| BULGARIA | BDS | 1001101011 | 2019-07-31 | BU |
| CROATIA | HZN | 0010101010 | 2020-07-02 | |
| CZECH REPUBLIC | UNMZ | 0111010001 | 2006-05-01 | CZ |
| DENMARK | DS | 1001011110 | 2003-07-29 | |
| EQUADOR | INEN | 1000001110 | 2010-12-15 | |
| FINLAND | SFS | 1011001100 | 2019-12-19 | |
| FRANCE | AFNOR | 1011001010 | 2000-02-10 | FR1 |
| GERMANY | DIN/NA-Automobil | 1001010000 | 2003-05-02 | DE |
| GREECE (Inactive) | ELOT | 0101101010 | 2001-09-19 | |
| INDONESIA | JTA | 0110010010 | 2013-01-01 | |
| ITALY | UNINFO | 0110000001 | 2002-07-11 | |
| MOROCCO | IMANOR | 0011111000 | 2012-01-23 | |
| NETHERLANDS | NEN | 0011001001 | 1999-09-01 | NL |
| NORWAY | SN | 0011000011 | 2001-09-19 | NO |
| POLAND | PKN | 0110101001 | 2011-01-10 | |
| PORTUGAL | IPQ | 0110100001 | 2006-06-20 | PT |
| REPUBLIC OF MACEDONIA | ISRM | 0011111110 | 2016-04-06 | |
| SLOVENIA | SIST | 1010001100 | 2016-12-05 | SL |
| SLOVAK REPUBLIC | MDPT SR | 1010011110 | 2009-08-18 | |
| SPAIN | UNE | 1000010100 | 1999-09-01 | ES |
| SWEDEN | SIS | 1010010000 | 1999-10-01 | |
| SWITZERLAND | VSS | 0111000101 | 2000-02-01 | |
| UNITED KINGDOM | DTLR | 0101110011 | 2001-10-19 |
