Our international presence has grown substantially since our first international Registrant in 1979. ARDMS now has Registrants from 75 countries.
| Argentina | Honduras | Portugal |
| Australia | Hong Kong | Qatar |
| Bahamas | Hungary | Romania |
| Bangladesh | India | Russia |
| Barbados | Ireland | Saudi Arabia |
| Belarus | Israel | Serbia |
| Belgium | Italy | Singapore |
| Bermuda | Jamaica | Slovakia |
| Brazil | Japan | South Africa |
| British Virgin Islands | Kuwait | South Korea |
| Bulgaria | Macao | Sri Lanka |
| Canada | Malaysia | St. Lucia |
| Cayman Islands | Mali | Sweden |
| China | Malta | Switzerland |
| Colombia | Montserrat | Taiwan |
| Costa Rica | Nepal | Thailand |
| Denmark | Netherlands | Trinidad and Tobago |
| Dominican Republic | New Zealand | Turkey |
| Egypt | North Korea | Ukraine |
| France | Norway | United Arab Emirates |
| Georgia | Oman | United Kingdom |
| Germany | Pakistan | United States |
| Ghana | Peru | Uzbekistan |
| Greece | Philippines | Venezuela |
| Grenada | Poland | Vietnam |