Politics

• Third party (politics)
  Third party (politics)
  In a two-party system of politics, the term third party is sometimes applied to a party other than the two dominant ones. While technically the term is limited to the third largest party or third oldest party, it is common, though innumerate, shorthand for any smaller party.For instance, in the...
  
  , party other than one of the two dominant ones in a two-party political system
  • Third party (United States)
    Third party (United States)
    The term third party is used in the United States for any and all political parties in the United States other than one of the two major parties . The term can also refer to independent politicians not affiliated with any party at all and to write-in candidates.The United States has had a...
    
    , in American politics
  • Third party (Canada)
    Third party (Canada)
    In Canada, a third party usually refers to a relatively small federal or provincial political party that is not usually considered to have a realistic chance of forming a government, but has representation in the federal House of Commons or the provincial legislature...
    
    , in Canadian politics
• Third parties in a two party system, a system where two major political parties dominate voting in nearly all elections at every level of government

Computers

• Third-party developer, hardware or software developer not directly tied to the primary product that a consumer is using (c.f. Second party)
• Third-party software component
  Third-party software component
  In computer programming, a third-party software component is a reusable software component developed to be either freely distributed or sold by an entity other than the original vendor of the development platform...
  
  , software which can be used in conjunction with some software or hardware but is not associated with either the manufacturer or the user

Business and marketing

• Third-party provider, company
  Party (law)
  A party is a person or group of persons that compose a single entity which can be identified as one for the purposes of the law. Parties include: plaintiff , defendant , petitioner , respondent , cross-complainant A party is a person or group of persons that compose a single entity which can be...
  
   not directly contracted to either party
• Third-party access
  Third-party access
  Third party access policies require owners of natural monopoly infrastructure facilities to grant access to those facilities to parties other than their own customers, usually competitors in the provision of the relevant services, on commercial terms comparable to those that would apply in a...
  
   policies require owners of natural monopoly infrastructure facilities to grant access to those facilities to parties other than their own customers
• Third-party administrator, an organization that processes insurance claims or certain aspects of employee benefit plans for a separate entity
• Third-party verification
  Third-party verification
  Third party verification is a process of getting an independent party to confirm that the customer is actually requesting a change or ordering a new service or product...
  
   (TPV), process of getting an independent party to confirm that the customer is actually requesting a change or ordering a new service or product, such as the practice used to prevent Telephone slamming
• Third-party technique, marketing strategy commonly employed by public relations firms, that involves placing a premeditated message in the "mouth of the media"
• Third-party beneficiary, person who may have the right to sue on a contract, despite not having originally been a party to the contract
• Third party insurance, liability insurance which covers third-party claims
• Third party Independent test organization
  Independent test organization
  An independent test organization is an organization, person, or company that tests products, materials, software, etc. according to agreed requirements. The test organization can be affiliated with the government or universities or can be an independent testing laboratory...
  
  

Other uses

• Third-party reproduction refers to a process where another person provides sperm or eggs or where another woman provides her uterus so that a woman can have a child
• 3rd Party
  3rd Party
  3rd Party was a three-member dance-pop group that released one album in 1997. They are best known for their dance hit "Can U Feel It", and for the song "Waiting for Tonight", which was remade by Jennifer Lopez.- Background :...
  
  , American 1990s pop music group
• Third-party ownership in association football
  Third-party ownership in association football
  Third-party ownership in association football is the ownership of a player's economic rights by third-party sources, such as football agents, sports-management agencies, or other investors...
  
  , the ownership of a player's economic rights by third-party sources
• Third-party logistics provider, a 3PL in supply chain management
• Third Party (album)
  Third Party (album)
  Third Party is an album by production duo Blue Sky Black Death, released September 7, 2010 on Fake Four Records.-Track listing:#"Carl Sagan"#"Absentee"#"Call To Arms"#"Set Fire"#"Institution"#"Cynic's Cough"#"Slow Years"#"Rerun"#"Threads of Gold"...
  
  , an album by Blue Sky Black Death, released September 7, 2010