Our Locations We have 3 Locations to Serve you – Dallas, Houston & San Antonio Get Free Estimate Renovation Services Repair Experience Restoration Services Dallas Location Phone: (972) 544-6545 Address: 2445 Midway Road, Suite 200 Carrollton, Texas 75006 Email: Customer Service Houston Location Phone: (832) 919-8555 Address: 3322 Longhorn Drive Houston, TX 77084 Email: Customer Service Get Free Estimates Today J National provides on-site evaluation of damages and works directly with insurance carriers to ease your stress during times of need. 2445 Midway Rd Carrollton, TX 75006 Customer Service Phone (972) 544-6545