You can get with the alumni association and they can help you with contacting registered OSU alums in your area about forming your own watch party. We did that in Texarkana when we lived there and ended up with about 9 to 12 that would come watch on a regular basis.
I moved to Lincoln a few years ago and even here I've never had any issues either. People mostly don't care and even the animosity toward OU has faded. The only thing I hear that does drive me nuts is people asking me about "Okie State". Otherwise, I actually think it's a similar fanbase to OSU, very friendly and family friendly (compared with other colleges).
To your question, unfortunately, I don't know any OSU fans/alums in GI.