Glad you're enjoying it. :)

I wouldn't recommend going above the 200 cap to avoid the game turning into a slideshow. But if you still want to do it, you can change the unit cap for each faction in FACTIONS.XML and Factions_Minors.xml. Look for the line:

<Space_Tactical_Unit_Cap>200</Space_Tactical_Unit_Cap>

And replace it with whatever you like. Best to use Notepad++ to replace them all at once since these are large files.

Where do I find the Factions_Minors.xml file? I've looked and can't seem to find anything that matches that name. I altered the lines in FACTIONS.xml, but it has not changed anything within the game. Thanks.

Full path is "Steam\steamapps\workshop\content\32470\2894927178\Data\Xml". Make sure you're editing the submod and not Remake 4.0.