Western Trainz is currently a group of  people that make Western American content for Trainz. Currently everything is Trainz: A New Era and up.
 
Update as of 7/13/2023:
 
mth_electric_trains (Trainz Username):

I'm more or less just the website manager & owner now. I don't do any content work as I just don't have motivation and the community has consistently annoyed or disheartened me to the point where I don't even care to make content anymore.
 
Drew D (Double Spike): He can reskin, kitbash and route build. He is also a member of Highball Trainz and has released content there as well.

Wisconson Rail Productions: He is a great reskinner and route builder. NEW: He is working on a lot of various projects that probably won't see recent completion, but are coming along really nicely. He now also does work for NARM.

Trainman05: He is a reskinner and route builder as well and actually has some great stuff in the works as I type this. He unfortunately has been severely delayed due to schooling though, so his projects have a very unsure completion date.

FireBall734 (Mitch is his name and steve180 is his Trainz username): Just joined on 7/13/2023. He is a route builder, simple reskinner and sound maker.