Talk to Martin over at Guns Plus in Sanford. I'm sure he'd be able to tell you who does matches these days. I used to do 3 gun shoots out at Range 1 in Bunnlevel but I think they're closed down now, the website's gone and it was for sale when I was stationed at Bragg.
Also check out the Carolina Shooters Forum:
www.carolinashootersforum.com