Zion Builders, Inc. of Sparks, Nev., uses Simpson Strong-Tie on every wood structure we build to enhance the structural integrity of buildings. Simpson is the largest supplier of structural building products in the world. Their products are also recognized and approved for use by every building department and engineering firm in northern Nevada. The hardware concept began in 1956. Barclay Simpson inherited his father’s window screen company and one Sunday evening, Barclay S