| Antigua and Barbuda
| | Argentina
| | The Bahamas
| | Barbados
| | Belize
| | Bolivia
| | Brazil
| | Canada
| | Chile
| | Colombia
| | Costa Rica
| | Cuba*
|
|
| Dominica
| | Dominican Republic
| | Ecuador
| | El Salvador
| | Grenada
| | Guatemala
| | Guyana
| | Haiti
| | Honduras
| | Jamaica
| | Mexico
| | Nicaragua
|
|
| Panama
| | Paraguay
| | Peru
| | Saint Kitts and Nevis
| | Saint Lucia
| | Saint Vincent and the Grenadines
| | Suriname
| | Trinidad and Tobago
| | United States of America
| | Uruguay
| | Venezuela
|
| | *Cuba is a member but its government has been excluded from participating since 1962.
|