UIF overall won, but that's to be expected.
In NA I'd say Hospitallers and their Allies won for the most part. They were largely left uncontested, no one could stack up an offensive against them that would sustain itself long enough to do any duration of real damage. Not to mention their alliances that they had kept them constantly at the forefront of all of their wars and their large numbers worked hard to keep their war-machine churning.
While I'd like to say KUTT had more of a presence, unfortunately we got such a late start in Strategus that we never had the man power or material to go forward and become a real contestant for power in the north. Bare in mind, we joined into Strategus in the midst of the Green vs. Red war, (roughly 25% of the way into the entire campaign) and we were given a village by Badplayer (or) Smoothrich to just kind of get us going. We had about 2 weeks from that time to get ready to defend the village and for the most part were wiped out right from that point.
Gotta say, without the help of Muki and the Knights of Antioch assistance, we most likely would have never been able to solidify ourselves as we did towards the end here. And some notes I took away from this strat; the more of a preserved location and the faster you churn the wheels of your machine, the more successful you'll be. Hospitaller chose a good starting location in the Steppes, while still maintaining a good trade-highway through EU territory for the entire strat season.
Great game everyone.