Macarthur Credit Union Limited - (1971- )
Macarthur Credit Union Limited - (1970-1974)
Macaulay Community Credit Co-operative Limited - (1978-2008 )
Macquarie Credit Union Limited - (1964- )
Macquarie University Staff Credit Union Limited - (1973-1983)
Maitland City Council Employees Credit Union Limited - (1970-2003)
Maitland Community Credit Union Limited - (1970-1999)
Maitland Co-operative Credit Union Limited The - (1953-1960)
Maitland Miners Co-operative Saving and Loans Limited - (1951-1965)
Manchester Unity (NSW) Credit Union Limited - (1962-1999)
Manchester Unity Credit Union Limited - (unknown-1995)
Manchester Unity Credit Union Co-operative Limited - (1975-1997)
Mangopiah District Co-operative Small Loans Society Limited - (1951-1962)
Manly Vale Credit Union Limited - (1964-2003)
Manly Warringah Credit Union Limited - (1965-2015)
Manly-Warringah Club Employees Credit Union Limited - (1971-1978)
Manning Local Government Employees Credit Union Limited - (1967-2001)
Marine Officers Credit Union Society Limited - (unknown-unknown)
Maritime Co-operative Limited - (1962-1992)
Maritime Services Professional Officers Co-operative Society Limited - (1951-1962)
Maritime Mining and Power Credit Union Limited - (1970- )
Maroondah Credit Union Limited - (1959-2009)
Marrickville Municipal Council Employees Credit Union Limited - (1966-1982)
Martin Wells Employees Credit Union Limited - (1972-1980)
Maryborough and District Co-operative Credit Society Limited - (1961-1985)
Maryknoll Co-operative Credit Society Limited - (1955-unknown)
Mater Hospital Credit Union Limited - (1956-1982)
MB John Employees Credit Co-operative Limited - (1969-1976)
McKellar Credit Union Limited - (1946-1982)
McPhersons (NSW) Employees Credit Union Limited - (1967-1974)
MCU Limited - (1984- )
mecu Limited - (2003- )
Media and Publishing Credit Union Limited - (1974-1999)
Media Credit Union Co-operative Limited - (1981-1991)
Media Credit Union Queensland Limited - (1959-2005)
Medical Services Credit Union Limited - (1973-1981)
Melbourne Co-operative Credit Society Limited - (1954-1967)
Melbourne Rochdale Consumers Co-operative Society Limited - (ca.1950-unknown)
Melbourne University Credit Union Limited - (1970-2011)
Melton Shire Credit Co-operative Limited - (1970-1978)
MemberFirst Credit Union Limited - (1963-2012)
Members Australia Credit Union Limited - (1998-2003)
Merck Sharp and Dohme Australia Staff Credit Union Limited - (1969-1985)
Merriville Credit Union Limited - (1971-1984)
Merrylands Credit Union Limited - (1957-1979)
Metal Industries Credit Union Limited - (1969-1975)
Metropolitan Co-operative Credit Society Limited The - (ca.1959-1972)
Metropolitan Credit Union Limited - (1973-2002)
Metropolitan Credit Union Limited - (1956-1977)
Metropolitan Credit Union Limited - (1975-1980)
MEU Credit Co-operative Limited - (1971-1979)
Mid North Coast Credit Union Limited - (1970-1985)
Mid West Credit Union Limited - (1969-1994)
Midland Parish Credit Union Society Limited - (unknown-1975)
MIG Credit Society Limited - (1992-1996)
Millmerran Pittsworth District Community Credit Union Limited - (1970-1977)
Mines Department Employees Credit Union Limited The - (1962-1982)
Minnondi Credit Union Limited - (1961-1997)
Miranda Anglican Credit Union Limited - (1960-1978)
Miscellaneous Unions Workers Credit Union Society Limited - (unknown-1974)
Mitcham Credit Union Co-operative Limited - (1958-1991)
MMC Staff Credit Union Co-operative Limited - (1972-1998)
MM Employees Credit Union Limited - (1964-1989)
Mobiles Credit Union Co-operative Limited - (1972-unknown)
Moe District Credit Co-operative Limited - (1969-1990)
Monash Co-operative Limited The - (1961-1973)
Mona Vale District Hospital Staff Credit Union Limited - (1969-1979)
Money Wise Credit Union Limited - (1961-2003)
Monier Employees Credit Union Limited - (1971-1996)
Montague Credit Union Co-operative Limited - (1972-1983)
Moorabin Co-operative Credit Society Limited - (1954-unknown)
Morley and Districts Co-operative Credit Union Society Limited - (unknown-1976)
Mornington Peninsula Co-operative Credit Society Limited - (1964-1977)
Morwell Co-operative Limited - (ca. 1955-unknown)
Mosa Credit Union Limited - (1970-1975)
Mountsea Credit Union Co-operative Society Limited - (1963-1981)
MSB Credit Union Limited - (1958-2005)
MTA Employees Credit Co-operative Limited - (1969-1989)
MTT Employees Credit Union Co-operative Society Limited - (1969-1975)
Mudgee Credit Union Co-operative Limited - (1956-1971)
Mudgee District Local Government Employees Credit Union Limited - (1973-1974)
MUJA Co-operative Credit Union Society Limited - (unknown-unknown)
Multi Engineering Employees Credit Union Limited - (1971-1974)
Municipal Officers Association Credit Union Society Limited - (unknown-1977)
Municipal Officers Credit Union Limited - (1970-1984)
Muniff Credit Union Limited - (1964-1990)
Murgon and District Credit Union Limited - (1970-1987)
Murrumbeena Credit Co-operative Limited - (1970-1980)
Murrumbidgee Mutual Credit Union Limited - (1970-1986)
Murwillumbah AWU Members Credit Union Limited The - (1966-1973)
Muslim Community Credit Union Limited - (1999-unknown )
Muswellbrook Miners Co-operative Savings and Loans Limited - (1949-1964)
My Credit Union Limited - (2011-2018)