For a list of known Governments on the spheres of power on the galaxy see: Government. If you want, you can to jump to the Galactic Concord Military.
For legal (or cuasi-legal) organizations see: Organizations
For illegal organizations see: Crime
The following are zones were no specific government is in place:
Galaxy Axis Zone
Northern Shadow Space
Titanic Shadow Space
Here is an alphabetic list of all Shadow Planets regarding of which zone they are.
Here is an alphabetic list of all PLANETARY CATALOG regarding of which government of zone they are.