Este mapa se ha diseñado para demostrar de manera visual la distribución geográfica de nuestros miembros. Los límites que se muestran no implican una aprobación o aceptación oficial por parte de ISO.
| País/territorio | Sigla | Calidad de miembro | Participación de TC | Participación de PDC |
|---|---|---|---|---|
| Seychelles | SBS | Organismo corresponsal | 20 | 3 |
| Bhutan | BSB | Organismo corresponsal | 21 | 2 |
| Togo | ATN | Organismo corresponsal | 8 | 2 |
| Turkmenistan | MSST | Organismo corresponsal | 5 | 2 |
| Yemen | YSMO | Organismo corresponsal | 0 | 0 |
| Zambia | ZABS | Organismo corresponsal | 23 | 3 |
| Somalia | SoBS | Organismo corresponsal | 5 | 1 |
| South Sudan | SSNBS | Organismo corresponsal | 0 | 0 |
| Macao Special Administrative Region of China | CPTTM | Organismo corresponsal | 12 | 2 |
| Tajikistan | TAJIKSTANDARD | Organismo corresponsal | 10 | 1 |
| Palestine, State of | PSI | Organismo corresponsal | 16 | 3 |
| Lao People's Democratic Republic | DOSM | Organismo corresponsal | 5 | 1 |
| Niger | ANMC | Organismo corresponsal | 5 | 2 |
| Gambia | TGSB | Organismo corresponsal | 4 | 3 |
| Mauritania | DNPQ | Organismo corresponsal | 11 | 2 |
| Sierra Leone | SLSB | Organismo corresponsal | 7 | 2 |
| Angola | INIQ | Organismo corresponsal | 6 | 2 |
| Saint Vincent and the Grenadines | SVGBS | Organismo corresponsal | 0 | 0 |
| Eritrea | ESI | Organismo corresponsal | 4 | 1 |
| Albania | DPS | Organismo corresponsal | 3 | 3 |
| Brunei Darussalam | NSC | Organismo corresponsal | 6 | 3 |
| Honduras | OHN | Organismo corresponsal | 9 | 2 |
| Lesotho | LSI | Organismo corresponsal | 2 | 3 |
| Hong Kong Special Administrative Region of China | ITCHKSAR | Organismo corresponsal | 167 | 2 |
| Eswatini | SWASA | Organismo corresponsal | 15 | 3 |
| Guyana | GNBS | Organismo corresponsal | 5 | 1 |
| Chad | ATNOR | Organismo corresponsal | 7 | 2 |
| Vanuatu | VBS | Organismo corresponsal | 0 | 0 |
| Kyrgyzstan | KYRGYZST | Organismo corresponsal | 10 | 1 |
| Cambodia | ISC | Organismo corresponsal | 17 | 1 |
| Paraguay | INTN | Organismo corresponsal | 0 | 1 |
| Moldova, Republic of | ISM | Organismo corresponsal | 36 | 3 |
| Georgia | GEOSTM | Organismo corresponsal | 8 | 2 |
| Nicaragua | DNM | Organismo corresponsal | 0 | 2 |
| Madagascar | BNM | Organismo corresponsal | 5 | 1 |
| Mozambique | INNOQ | Organismo corresponsal | 9 | 3 |
| Dominica | DBOS | Organismo corresponsal | 7 | 3 |
| Myanmar | DRI | Organismo corresponsal | 9 | 3 |
| Papua New Guinea | NISIT | Organismo corresponsal | 4 | 1 |