Formal:
* The university is affiliated with a prestigious research institute.
* The charity is affiliated with several international organizations.
* The doctor is affiliated with a large hospital group.
Informal:
* The band is affiliated with a record label.
* The local bookstore is affiliated with a national chain.
* The company is affiliated with several other businesses.
With emphasis on connection:
* The artist is affiliated with the avant-garde movement, often exhibiting in underground galleries.
* The political party is affiliated with several labor unions.
With emphasis on potential influence:
* The senator's campaign is affiliated with a powerful lobbying group.
* The news website is affiliated with a major media conglomerate, raising concerns about potential bias.
Remember that "affiliated" suggests a connection, often formal or official, but not necessarily complete control or ownership.