www.pmmag.com/articles/85309-sioux-chief-acquires-e-s-valve

Sioux Chief Acquires E&S Valve

June 13, 2000
Sioux Chief announced it acquired E&S Valves, a manufacturer of two drain trap primer valve models. E&S Valves is located in Tualatin, Ore., and has been in business for more than 40 years.