I mean have the two main guys and all 4 companions so you don't have to switch back and forth to do all their quest stuff, easier to just have them all in the party and play on harder level.
Plus it would just be cool to have them all in the party

Plus I don't cast allot of spells as its kinda tedious, I prefer to just shoot and stab stuff

I remember there was some thing in a file where you could just change a number from 2 to 4 somewhere here?
EDIT: Like this
In the story goal "Global", in the INIT section you'll see these lines:
DB_Compcount(0);
DB_CompMax(2);
Simply change DB_CompMax(2); to DB_CompMax(4);
does this work as I'm asking still? Also if it does, where is the file?