http://www.menningerclinic.com/ located in Houston, Texas deals with BPD and associated issues.
http://www.innerwisdom.com/ Partial inpatient treatment, also in Houston, Texas.
Edit: Also a list of Doctors and therapists that treat BPD, who may be able to point you in another good direction
http://www.mhsanctuary.com/Borderline/bpdlist.htm
Edit: another link
http://www.bpdcentral.com/resources/...st/texas.shtml
http://www.helium.com/items/1615376-...nters-in-texas
Otherwise, a good place to start would be here:
http://www.mentalhealthamerica.net/go/find_therapy
good luck!