Service Industry Bars

I just moved to Tulsa last weekend, and I'm trying to get a feel for the city. I'm a bartender and I was wondering if there's a spot where people in the service industry like to kick it? Also what's good for late night grub?

Edit: I appreciate all the comments, I'm familiar with most of these places so I will check them out. This is one of the reasons I love Reddit. Thank you for the suggestions!