The most common and most likely answer to this crossword clue is the 7 letter word TESTERS
I've seen this crossword clue in The Daily Telegraph
T
E
S
T
E
R
S
Buddy explains!
The straight part
We know that "They conduct examinations" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case they conduct examinations = testers.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does TESTERS mean?
TESTERS noun- A canopy over a bed.
- Something that overhangs something else; especially a canopy or soundboard over a pulpit.
- A person who administers a test.
- A device used for testing.
- A punishment of 25 lashes (strokes of a whip) across a person′s back.
- A sample of perfume available in a shop for customers to try before they buy.
- A cyclist who focuses on success in time trials.
- An old French silver coin.
- A sixpence.