The phrase "are directly affiliated" is correct and usable in written English.
It can be used to describe a close or official connection between organizations, groups, or individuals.
Example: "The two companies are directly affiliated, sharing resources and collaborating on various projects."
Alternatives: "are closely linked" or "have a direct connection."
Some users are directly affiliated to TfL.
At least five ministers are directly affiliated with the Muslim Brotherhood.
While brew pubs set the trend in craft brewing in the 1990s, none of Connecticut's new breweries are directly affiliated with restaurants.
Neither the commonwealth advocates nor the pro-statehood party are directly affiliated with either the Republican or Democratic Parties, but the statehood advocates have controlled the Republican Party for decades and the Democratic Party since 1976.
Bringing optionality to your company is about creating a network or ecosystem around you beyond those that are directly affiliated with the company.
The key performance limit states applied in the PBPD method are the target drift and pre-selected yield mechanism, which are directly affiliated to distribution and level of structural damage, respectively.
The Base Foundation: To be directly affiliated with the Diwan al-Khilafa [office of the caliph] or Majlis al-Shura [advisory council] of whoever so represents them, and the official for it should be connected by his relations with the military commander, [chief] security official and the caliph himself.
But records show it is directly affiliated with a corporate communications firm under contract with Central Basin.
But records reviewed by The Times showed that News Hawks Review was directly affiliated with the Coghlan Consulting Group, a corporate communications firm hired by Central Basin last November.
Furthermore, last Friday, a reporter from CNS News, which was founded by you and continues to be directly affiliated with the MRC, contacted our media relations staff for a piece he'd been assigned to write on this very topic.
Randazza wrote that an individual would have to be a pathetic idiot to come under the impression that his client's website was directly affiliated with Beck, contending that the website's domain name could not be confused with the "Glenn Beck" trademark except to "a moron in a hurry".
