OTV
Orbital Transport Vehicles are the most common spacecraft outside of GEO/LEO. These vessels are used to transport cargo and passengers between spaces stations and colonies. They were not design to make surface landings. OTVs dock with either a transfer station or other spacecraft to transfer the goods/passengers before heading out into space.
There are 3 types of OTVs: Passenger, Cargo, and Deep Space. Each with a different purpose. See the side bar for stats of each.
There are many manufacturers of OTVs, with Orbital Air creating the majority of them.