Trading vessel
A trading vessel or trading ship was a type of starship used for trade.

Carter Winston had such a vessel. In, after a Vendorian posing as Winston had been rescued by , Spock noted that extreme long-range sensors detected something in the Romulan Neutral Zone. He speculated that it might be another trading vessel like Winston's, but couldn't be certain due to their distance from the object. ()

At the edge of the Nekrit Expanse, a supply depot existed to serve trade and mining ships. In 2373, Neelix suggested  stop there before traversing the Expanse. ()

Types of trading vessels 
 Federation
 Winston's trading vessel
 Ferengi Alliance
 Ferengi trading ship
 Ferengi trader (D'Kora-class)
 Golorian trading vessel
 Pakled trade ship
 Xepolite Free Trader

Spacecraft classifications