Blackmon Marshall Insurance Group, LLC Share: Insurance Agencies Blackmon Marshall Insurance Group, LLC Visit Website 2245 Texas Dr., Ste. 300 Sugar Land, TX 77479 (281) 930-1600 About Map About Independent Insurance Agency offering products such as homeowners insurance, auto, life, commercial, renters, and more. We are located in the Sugarland TownCenter off of Texas Drive. What's Nearby? Distance: 5 10 15 20 25 50 mi.