Corporate Office, TX 4400 Post Oak Parkway, #1800 Houston, TX 77027 713-386-1400 (Ph) 713-961-0719 (Fax)	Human Resources 15455 Dallas Parkway Suite 300 Addison, TX 75001 972-892-9000 (Ph) 972-892-9175 (Fax)
Customer Service Center 2050 East ASU Circle, #120 Tempe, AZ 85284-1821 480-777-6600 Reception 480-777-6601 (Main Fax) 480-777-6779 (Staff Payroll Fax) 800-326-6797 Vendor Calls	Charlotte, NC (Executive) 10700 Sikes Place, #395 Charlotte, NC 28277 704-321-1432 704-874-6534 (Fax)