Very little is know about them. This is all the know info:
After all those years of wars some people started to put aside their diferences and work for a major common goal: The return to the Sol system and the defeat of the Alien threat.
The infiltration of the Nomad in the highest ranks in most human factions and the their secretive nature made them be consider as terrorist organization.
Zoners; Corsairs ; Junkers ; The Order ; Bounty Hunters ; IMG ; GMG ; DSE
All military and corporative factions; Outcast ; Xenos ; Liberty Rouges ; Hogosha ; Imperial Navy ; Rebels ; LSF ; Mollys ; Gaians ; LWB ; Unioners ; Red Hessians ; Bundschuh ; Golden Chrysanthemums ; Blood Dragons ; Farmers Alliance ; Planetform, Inc. ; Lane Hackers
All the ships (Except Nomad Ships). Since their members comes from any faction. (Except Nomad Ships)