Third sector may refer to:
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Voluntary sector, the economic sector consisting of non-governmental organizations and other non-profit organizations
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Public–private partnership, a company jointly owned by government and private interests
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''Third Sector'' (magazine), a British magazine
See also
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Sector 3 (disambiguation) Sector 3, Sector III or variants may refer to:
Municipal sectors
*Sector 3 (Bucharest), an administrative sector of Bucharest, Romania
*A sector of Rohini Sub City, India
*A sector of Vashi, India
*Sector III, a neighbourhood in Getafe, Spain
Mil ...
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Tertiary sector of the economy
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