Browse Entities - N
- N.A. Lord & Company
- N.D. Synnott
- N.L.T. Productions Pty Ltd
- N.P. Italiano Pty Ltd
- Nairne Pyrites Limited
- Nanango Station
- NAPCO
- see The North Australian Pastoral Company Pty Ltd (1877 - ) - Napier Downs Pastoral Company
- Napier Station [Western Australia]
- Naranga Pastoral Company
- Narine
- Narrandera Argus Pty Ltd
- Narwietooma Station [Northern Territory]
- Nathalia and District Co-operative Dairy Company Limited (1940 - 1957)
- National Australia Bank Limited (1981 - )
- The National Bank of Australasia Limited (1858 - 1981)
- National Bank of India (1863 - 1958)
- The National Bank of Tasmania Limited (1885 - 1918)
- National Commercial Banking Corporation of Australia Limited (1983 - 1984)
- National Consolidated Limited
- National Deposit Insurance Corporation Limited
- National Finance & Investment Company Limited
- National Mutual Life Association Limited (1869? - )
- National Mutual Royal Bank (1985 - 1990)
- National Portland Cement Limited
- National Public Administration Industry Training Advisory Body Limited
- National Roads and Motor Association
- Neco Co-operative Society Ltd (1975 - 1981)
- NEDCO, North-Eastern Dairy Company Limited (1959 - 1985)
- Nederveen and Company Pty Ltd (? - 1973)
- Neighbour and Lapsys (1978 - )
- Nepean Sand and Gravel Company Limited
- Nestle and Anglo Swiss Condensed Milk Company (Australasia) Limited (1921 - )
- Nestle and Anglo-Swiss Condensed Milk Company (? - 1921)
- Nestle and Anglo-Swiss Holding Company
- The Nestle Company (Australia) Limited (1957 - 1980)
- Nestles Food Specialties (Australia) Limited (1947 - )
- New Broken Hill Consolidated Limited
- New Chillago Railway and Mines Limited (1898 - 1905)
- New Clara St. Dora Mining Company No Liability
- New England Airways Limited (1931 - 1936)
- New Readhead Estate and Coal Min ing Company
- The New Redhead Estate & Coal Company Limited (1895 - )
- New South Wales Bookstall Company
- New South Wales Cement, Lime & Coal Company Limited ( - 1920)
- New South Wales Marine Assurance Company
- New South Wales Permanent Building and Investment Society (1939 - 1985)
- New System Telephones Pty Ltd (1920 - 1934)
- New Town Pharmacy
- New West Bischoff Tin Mining Company
- New Zapopan Gold Mining Company
- New Zealand and Australian Land Company (1877 - )
- New Zealand Loan & Mercantile Agency Company (1865 - 1961)
- Newbold General Refractories Limited
- Newcastle & County Mutual Building, Land and Investment Company Limited
- Newcastle Building & Investment Co (1864 - )
- Newcastle Building & Investment Company Limited (1896 - )
- Newcastle Coal and Copper Company
- Newcastle Coal Limited (Blair Athol) (1912? - 1922)
- Newcastle Coal Mining Company Limited
- Newcastle Gas and Coke Company Limited (1866 - )
- Newcastle Wallsend Coal Company (1920? - )
- News Corporation Limited
- Newton & Enmore Starr-Bowkett Building Co-operative Society
- Newton McLaren Limited (1905 - 1974)
- Nine Network
- Nipper and See
- Noarlunga Flour Mill
- Nobel Explosives
- Nock and Kirby (1894 - 1906)
- Nock and Kirby Limited (1906 - 1983)
- Nock Thomas (1860 - 1951)
- Nockatunga Station [Queensland]
- Nocoleche Station [New South Wales]
- Noondoo Station [Queensland]
- Norman Bros Pty Ltd
- North Australia Co-operative Society Limited
- The North Australian Pastoral Company Pty Ltd (1877 - )
- North British Australian Mortgage and Agency Corporation Limited (proposed)
- North Broken Hill Limited (1912 - 1988)
- North Broken Hill Mining Company No Liability (1905 - 1912)
- North Broken Hill Peko Limited (1988 - 1994)
- North Broken Hill Silver Mining Company Limited (1888 - 1895)
- North Broken Hill Silver Mining Company No Liability (1895 - 1905)
- North Coast Co-operative Company Limited
- North Coast Steam Navigation Company (1891 - )
- North Illawarra Mining Company
- North Limited (1994 - )
- North Melbourne Electric Tramways and Lighting Company (1904 - 1922)
- North Mount Lyell Cooper Company Limited (1897 - 1903)
- North Queensland Airways Pty Ltd (1936 - 1938)
- North Western General Stores Limited ( - 1949)
- Northam Building Society (1912 - )
- North-Eastern Co-operative Co-operative Dairy Society Ltd (1932 - 1981)
- North-Eastern Dairy Company Limited (1959 - 1985), NEDCO
- Northern Airlines (Operations) Limited (1980 - 1981)
- Northern Territory Land Company Limited
- North-Western Co-operative Dairy Company Ltd (1907 - )
- Norton Smith & Company
- Norwich Union Fire Insurance Society Limited
- NRMA
- see National Roads and Motor Association - NRMA Limited
- NSW Bottle Company Pty Ltd
- NSW Business Chamber Limited (2007 - 2020)
- NT Pastoral Company Limited (1941 - 1996)
- Nugget Pty Ltd
- Nukinenda Station [Queensland]
- Nulla Nulla Station [Western Australia]
- Nylex Corporation Limited (1967 - 1986)