Corporation
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The generically named Corporation are the main human faction and definitely the bad guys in Warpath. The Corporation is spreading like a dirty great cancer across the galaxy, exploiting and killing all who oppose them, with the aim of getting a trading monopoly over the entire fucking universe. They are an analogy for Games Workshop. Their models also look like the Imperial Guard, though now they also have Space Marines working with them.
...Yeah...tooooootally GW in SPHESS.
Enforcers
Enforcers are the Corporation's answer to Space Marines. They are not quite an army in their own right, but they have 3 different unit types and a commander unit which means you could make a corp army using only these guys. The models don't actually look much like Space Marines at all, more like Iron Man with a beefy laser rifle. Oh, and they ALL have jump jets (yes, even the heavy weapons unit)!