44 Members (excluding the associate or suspended members but including the countries represented on their behalf) [The rulers are not necessarily the representatives in the organisation. ] :
| | ANDORRA | (Andorra The Old a + (La Seu d´Urgell) ry) | | Coprince Ramon Iglesias Navarri | | |
| | ARGENTINE | (Buenos Aires a + Olivos r) | | President Juan Peron | | |
| | BOLIVIA | (Sucre cj + La Paz eir) | | President Victor Paz Estenssoro | | |
| | COSTA RICA | (San Jose) | | President Jose Figueres Ferrer | | |
| | SPAIN | (Madrid) | | Caudillo Francisco Franco | | |
| | ALSACE-MOSELLE | (Colmar + Metz + Strasbourg) | | | | |
| | HAITI | (Port Au Prince) | | President Nemours Pierre-Louis | | |
| | ITALY | (Rome a) | | President Luigi Einaudi | | |
| | LIECHTENSTEIN | (Vaduz) | | Prince Franz Joseph II | | |
| | LUXEMBOURG | (Luxembourg a) | | Grand Duchess Charlotte | | |
| | MONACO | (Monaco q) | | Prince Rainier III | | |
| | MALTA | (Valletta a + Casal Attard r + Siggiewi s) | | | | |
| | ORDER OF MALTA | (Palace of Malta y + Via Condotti b) | | Palatine Count Don Antonio Hercolani Fava Simonetti | | |
| | PERU | (Lima) | | President Manuel Arturo Odria | | |
| | PHILIPPINES | (Quezon City a + Manila l + Baguio City s) | | President Ramon Magsaysay | | |
| | PORTUGAL | (Lisbon) | | President Francisco Craveiro Lopes | | |
| | PARAGUAY | (Assumption) | | President Alfredo Stroessner | | |
| | QUEBEC | (Quebec City) | | | | |
| | EL SALVADOR | (San Salvador) | | President Oscar Osorio | | |
| | HOLY SEE | (Vatican City) | | Pope Pius XII | | |
| | TEUTONIC ORDER | (Vienna) | | Grandmaster Marian Tumler | | |
| | ARGOVIA | (Aarau) | | | | |
| | APPENZELL-INNER RHODES | (Appenzell) | | | | |
| | APPENZELL-OUTER RHODES | (Herisau + Trogen) | | | | |
| | BERNE | (Berne) | | | | |
| | BASLE-COUNTRY | (Liestal) | | | | |
| | BASLE-CITY | (Basle) | | | | |
| | FRIBOURG | (Fribourg) | | | | |
| | GLARUS | (Glarus) | | | | |
| | GRISONS | (Chur) | | | | |
| | LUCERNE | (Lucerne) | | | | |
| | UNTERWALD-NIDWALD | (Stans) | | | | |
| | UNTERWALD-OBWALD | (Sarnen) | | | | |
| | SAINT GALL | (Saint Gall) | | | | |
| | SHAFFHOUSE | (Shaffhouse) | | | | |
| | SOLOTHURN | (Solothurn) | | | | |
| | SCHWYZ | (Schwyz) | | | | |
| | THURGOVIA | (Frauenfeld) | | | | |
| | TICINO | (Bellenz) | | | | |
| | URI | (Altdorf) | | | | |
| | VAUD | (Lausanne) | | | | |
| | VALAIS | (Sitten) | | | | |
| | ZOUG | (Zoug) | | | | |
| | ZURICH | (Zurich) | | | | |