The Alliance incorporates the following Orders of Catholic men, working in twenty-seven countries throughout the world:
International Alliance of Catholic Knights
Hampshire GU46 6XP
United Kingdom
Knights of Columbus (U.S.A. and Canada)
1 Columbus Plaza
New Haven, CT 06510
http://www.kofc.org/
Knights of Peter Claver, Inc. (U.S.A.)
1825 Orleans Avenue
New Orleans, LA 70116-2825
http://www.kofpc.org/
Knights of St Columba (United Kingdom)
Head Office
Curial Offices
196 Clyde Street Glasgow G1 4JY
http://www.ksc.org.uk/
The Knights of St. Columbanus (Ireland)
Ely House,
Ely Place,
Dublin 2.
http://www.knightsofstcolumbanus.ie/
Knights of the Southern Cross AU (Australia)
PO Box 216
CAMPBELL 2612
Australian Capital Territory
http://www.ksca.org.au/
Knights of the Southern Cross NZ (New Zealand)
Knights of da Gama (South Africa)
88 Eighth Avenue
Edenvale
Gauteng
http://www.kdg.co.za/
Knights and Ladies of Marshall (Ghana, Togo, & Liberia)
Supreme council
P.o Box 175
Sekondi
http://www.marshallans.org/
Knights of St Mulumba (Nigeria)
http://www.knightsofsaintmulumbanigeria.org/
Fraternal Order of SS. Peter and Paul (Gambia)
Knights of Saint Thomas Moore (Belgium)
http://www.catholic-knights.be/