Sanders, Motley, Young & Gallardo PLLC. Texas Life Insurance Law Firm. Call (903) 892-9133 to have your case reviewed free of charge. We handle life insurance disputes throughout the state, including Dallas, Fort Worth, Houston, Austin, San Antonio, Lubbock, Amarillo, El Paso, Midland, Odessa and surrounding areas. Primary office in Sherman, Texas 75090. Telephone - (903) 892-9133. Fax - (903) 892-4302.