i'm not that new. 6-7 years flying. I know of some people at SWA and Delta, but am not buddies with them...and i don't know (or don't know that I know) anyone at fedex or ups.
I know pretty well someone at Trans Air, and I know some others through friends that fly for continental and other US carriers. So it's pretty minimal. If I really think about it, I can come up with other names, but they are all just people i know of or know through friends, no real close buddies that I can count on to go for bat for me yet.