Texas Mutual Insurance Company Share: Insurance Providers Texas Mutual Insurance Company Visit Website 9811 Katy Fwy,. Ste. 800 Houston, TX 77024 (713) 316-2241 About Map About We are a workers' compensation provider company. We insure 40% of the Texas workers' compensation market. What's Nearby? Distance: 5 10 15 20 25 50 mi.