For the past century, Tyler Union has been recognized as one of the most experienced manufacturers of ductile iron fittings, joint restraints and valve boxes in the waterworks industry. Tyler Union is unique in that they wholly own foundries in both the United States and China. Tyler Union and Tyler Xian Xian (China) utilize cutting edge facilities and innovative technologies to produce high quality products while remaining economic, environmental and community leaders. These two foundries share one vision and combine their efforts to make Tyler Union a strong team of industry frontrunners.