Info on ARRL Divisions can be gotten straight from the ARRL web site at: http://www.arrl.org/divisions/

The Director of the West Gulf Division, which covers Oklahoma, North Texas, South Texas and West Texas, is Dr. David Woolweaver, K5RAV.  His Vice Director is, John Thomason, WB5SYT.  

Check out the West Gulf Division web site for more info at: http://www.westgulfdivision.org/