The Mathis Group, Inc. Share: Project ManagementConstruction Management The Mathis Group, Inc. Visit Website 13131 Dairy Ashford, Ste. 320 Sugar Land, TX 77478 (281) 265-6028 (281) 265-6825 (fax) About Map About Project management & development management What's Nearby? Distance: 5 10 15 20 25 50 mi.