ExplorerCo's R&D Division has been busy developing these designs, here are a few:
Golden Streak R-7 - Three stage rocket, destined for Smoon (maybe Smars?)!
Black Titan RS-1 - Three stage rocket containing Satellite Horizon, which is used for scouting out possible locations for habitat.
Firebird R-13 - Simple two stage rocket used for sending supplies or space station parts into space.
Utopia RO-14 - Heavy Four stage rocket with a rover destined for Smars.
Utopia II C-2 - Heavy Four stage rocket capable of sending supplies and people to Smars.