12Inch_Block Block By Block, Our Products Build Big Ideas. 12-Inch Block Local Materials. Custom Orders. Personal Service. General Inquiries 800.368.1024 tel 254.595.3694 fax info@texasbuildingproducts.com Visit Us 3261 Highway 108 Strawn, Texas 76475 Map Location Texas Building Products is a member of the Hi-Standard Family of Companies