TX-856009 Here at John Martinek State Farm we help people manage the risks of everyday life and plan for the future. Outstanding customer service is our top priority! Our office is located in Southlake, Texas. We serve all of Texas, especially in Southlake, Colleyville, Keller, North Richland Hills, Arlington, Fort Worth, Grapevine and surrounding cities in the DFW Metroplex. Auto Insurance is offered 24/7 in addition to homeowners insurance, life insurance & health insurance.