Old boy network synonyms

What is another word for Old boy network?

• peer group

  exclusive informal network
• freemasonry

  exclusive informal network
• age group

  group of same status, exclusive informal network
• networking

  exclusive informal network
• old-girl network

  exclusive informal network
• fellowship

  group of same status
• old-boy network

  group of same status
• colleagues

  group of same status
• compeers

  group of same status
• nepotism
• favoritism
• preferential treatment
• bias
• partiality
• partisanship
• patronage
• network
• grapevine
• bush telegraph
• old school tie
• web